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Environmental Consultants & Contractors

January 26, 2021 File No. 01204123.20, Task 1, 2 South Coast Air Quality Management District 21865 East Copley Drive Diamond Bar, CA 91765-4182 Subject: 2020 Second Semi-Annual NSPS and SSM Report, Chiquita Canyon Landfill, Castaic,

California

To Whom It May Concern:

Enclosed is one copy of the New Source Performance Standards (NSPS) and Startup, Shutdown, and Malfunction (SSM) Plan Report for the 2020 Second Semi-Annual Report of information for Chiquita Canyon Landfill, prepared by SCS Engineers. A copy of the report has also been sent to the United States Environmental Protection Agency, Region 9.

Please note that the NSPS and SSM reports have been consolidated into one report, which has been accepted by other air districts in California and is allowed under the regulations. The attached document satisfies the sections within 40 CFR Subpart WWW (“NSPS”), including 40 CFR 60.757 (f), which describe the items to be submitted in an annual report for landfills seeking to comply with NSPS using an active collection system. In compliance with 40 CFR 63, Subpart AAAA (NESHAP for Landfills), this report is submitted semi-annually. The report covers the period from July 1, 2020 through December 31, 2020.

If you have any questions, please contact James Kim of SCS Engineers at (562) 637-4505 or Gabrielle Stephens of SCS Engineers at (562) 637-4544.

Sincerely,

James J. Kim Gabrielle F. Stephens Project Professional Project Manager SCS Engineers SCS Engineers

JJK/GFS/PSS

cc: Cornelius Fong, SCS Engineers Steve Cassulo, Chiquita Canyon Landfill

Chiquita Canyon Landfill Semi-Annual New Source Performance Standards (NSPS) and Startup, Shutdown, and Malfunction (SSM) Plan Report

Prepared for:

Chiquita Canyon Landfill 29201 Henry Mayo Drive Castaic, CA 91384

For Submittal to:

South Coast Air Quality Management District 21865 East Copley Drive Diamond Bar, CA 91765-4182

3900 Kilroy Airport Way, #100 Long Beach, CA 90806

562-426-9544

01204123.20, Task 1, 2 | January 26, 2021

Chiquita Canyon Landfill 2nd Semi-Annual NSPS, SSM Report www.scsengineers.com i

Table of Contents

Section Page

Site Background Information............................................................................................................. 1 Monitoring and Records Required under NSPS ............................................................................... 2

40 CFR 60.755(5) .................................................................................................................... 5 40 CFR 60.757(f)(1)................................................................................................................. 5 40 CFR 60.756(c) ..................................................................................................................... 5 40 CFR 60.756(d) .................................................................................................................... 5 40 CFR 60.757(f)(2)................................................................................................................. 5 40 CFR 60.757(f)(3)................................................................................................................. 5 40 CFR 60.757(f)(4)................................................................................................................. 6 40 CFR 60.758(c)(1)(i) ............................................................................................................. 6 40 CFR 60.757(f)(5)................................................................................................................. 6

Startup, Shutdown, and Malfunction (SSM) Plan Reporting ........................................................ 10

Tables

1 Summary of Wells Under Positive Pressure 2 Summary of Wells Above 5% Oxygen from Previous Reporting Period 3 Summary of Wells Above 5% Oxygen 4 Summary of Wells Above 131 Degrees Fahrenheit from Previous Reporting Period 5 Summary of Wells Above 131 Degrees Fahrenheit 6 Instantaneous Surface Emissions Monitoring Summary 7 Summary of Flare Station Periods of Downtime Exceeding 1 Hour 8 Summary of Flare Station Startup, Shutdown Events 9 Summary of Flare Station Malfunction Events 10 Summary of GCCS SSM Events

Appendices

Appendix A GCCS Site Map Appendix B Startup, Shutdown and Malfunction Forms

Chiquita Canyon Landfill 2nd Semi-Annual NSPS, SSM Report www.scsengineers.com

SITE BACKGROUND INFORMATION Chiquita Canyon Landfill (CCL) is located at 29201 Henry Mayo Drive, Castaic, California, in northern Los Angeles County. The region receives an average annual rainfall of about 16 inches. It is a Class III non-hazardous municipal solid waste (MSW) landfill.

The site began operating in 1972. The permitted landfill disposal footprint totals 257 acres and is comprised of 3 separate areas designated as “Primary” Canyon, “Canyon B”, and the Main Canyon (including Canyons A, C, D and subsequent fill modules). Currently, 231 acres of the footprint have been used for disposal. All areas except the Primary Canyon have landfill liners and leachate collection systems. Leachate is collected and trucked off site; condensate is injected into the flare.

The landfill gas (LFG) collection and control system (GCCS) was originally installed in Primary Canyon and Canyon B in 1989 and subsequently upgraded over the years. Horizontal collectors and vertical wells were later installed in the Main Canyon as the landfill grew.

A John Zink flare (No. 1/FL-150) with a rated capacity of 4,000 standard cubic feet per minute (scfm) was installed in 1993. A second John Zink flare (No. 2/FL-100) with a rated capacity of 4,000 scfm was installed in 2009. The existing collection system is extensive and provides comprehensive physical coverage in all areas except those that have recently received waste.

The GCCS is permitted and operated by CCL under the facility identification number of 119219. The LFG collection system operates under South Coast Air Quality Management District (SCAQMD) Permit No. G29331. The LFG flares operate under SCAQMD Permit No. G23473. The LFG condensate collection and storage system operates under SCAQMD Permit No. F64185. The LFG to Energy Facility (LFGTE) accepts LFG but is owned and operated by Ameresco Chiquita Canyon Energy LLC (Ameresco), which is not under common control with the CCL. The Ameresco facility operates under its own Title V permit. The landfill site is permitted under its Title V permit (Facility ID No. 119219).

A diagram of the GCCS showing system component positioning is shown in the site plan provided in Appendix A, and consists of the following:

A system of vertical wells.

An extensive network of horizontal collectors.

A system of lateral piping which connects the vertical wells and horizontal collectors to a main header system.

A main collection header which transports LFG to the blower/flare station.

A blower flare station (BFS).

A condensate collection system.

The purpose of the GCCS is to minimize potential environmental impacts associated with LFG, including the following:

LFG emissions at the landfill surface.

LFG migration at the property boundary.

LFG emissions out of the flare stack.

LFG migration through the vadose zone.

The GCCS removes LFG under a vacuum from the landfill mass. The system collects and controls migrating surface and subsurface gases from the disposal area.

MONITORING AND RECORDS REQUIRED UNDER NSPS This New Source Performance Standards (NSPS) Semi-Annual Report for CCL is being submitted to the SCAQMD and U.S. Environmental Protection Agency (EPA) in compliance with 40 Code of Federal Regulations (CFR) Subpart WWW (“NSPS”), including 40 CFR 60.757(f), which describe the items to be submitted in an annual report for landfills seeking to comply with NSPS using an active collection system. In compliance with 40 CFR 63, Subpart AAAA (National Emissions Standards for Hazardous Air Pollutants [NESHAP] for MSW Landfills), this report is submitted semi-annually.

Please note, the CCL is subject to the 40 CFR Subpart XXX (New NSPS) by commencing construction on its approved expansion on August 15, 2018. CCL submitted a Non Methane Organic Compound (NMOC) Emission Rate Report on November 13, 2018, a new GCCS Design Plan on November 12, 2019, and is required to comply with the monitoring, recordkeeping, and reporting provisions on May 13, 2021. An initial annual report for Subpart XXX will be submitted by November 13, 2021.

In addition, this report includes the semi-annual Startup, Shutdown, and Malfunction (SSM) Plan Report, per 40 CFR Part 63 Subparts A and AAAA, NESHAP for MSW Landfills. CCL is subject to the new NESHAPs rule which will go into effect after September 27, 2021.

40 CFR 60.753(b)

Operate the collection system with negative pressure at each wellhead except for (1) a fire or increased well temperature, (2) use of a geomembrane or synthetic cover, and (3) a decommissioned well.

During the reporting period, SCS Engineers’ (SCS) technicians re-monitored and when necessary, utilized corrective action to ensure that the collection system was operated with negative pressure at all wellheads. Individual wells were sometimes shutdown and/or decommissioned when construction or filling activities altered the landfill area by making it a dangerous or inaccessible area. These events were reported as SSM events under CCL’s SSM Plan. Events of wells with positive pressure from the current reporting period are summarized in Table 1.

40 CFR 60.753(c)

Operate each interior wellhead in the collection system with a temperature less than 55 degrees Celsius (131 degrees Fahrenheit) and with either a nitrogen level less than 20 percent or an oxygen level less than 5 percent.

During the reporting period, interior wellheads that were not operated with LFG temperatures less than 55 degrees Celsius (°C) or 131 degrees Fahrenheit (°F) or did not have oxygen concentrations at or below 5 percent were corrected and re-monitored within the timeframe allowed, or the well was shutdown and/or decommissioned and reported as an SSM event under CCL’s SSM Plan. Per NSPS, if correction of an exceedance cannot be achieved within 15 calendar days of the first measurement, the gas collection system shall be expanded to correct the exceedance within 120 days of the initial

exceedance. Wells that could not be corrected for oxygen exceedances from previous semi-annual reporting periods and their status are summarized in Table 2. Events of wells with high oxygen for the current reporting period are summarized in Table 3. Events of wells with high temperature from the previous reporting period and their current status are summarized in Table 4. Events of wells with high temperature for the current reporting period are summarized in Table 5.

Higher operating value (HOV) requests were submitted to the SCAQMD. The approved wells are summarized below.

HOV Wells Approval Date HOV CV-90 January 9, 2014 145°F H-39 January 9, 2014 145°F

CV-57D January 9, 2014 145°F CV-84D January 9, 2014 145°F CV-84S January 9, 2014 145°F CV-85D January 9, 2014 145°F

B-07 January 9, 2014 10% O2 B-08 January 9, 2014 15% O2 B-09 January 9, 2014 10% O2 B-10 January 9, 2014 10% O2 B-11 January 9, 2014 10% O2 B-13 January 9, 2014 10% O2

CV-22 January 9, 2014 15% O2 D-6 January 9, 2014 10% O2 D-7 January 9, 2014 10% O2 D-8 January 9, 2014 10% O2 D-9 January 9, 2014 10% O2

D-10 January 9, 2014 10% O2 D-11 January 9, 2014 10% O2 P-1 January 9, 2014 10% O2 P-2 January 9, 2014 10% O2 P-3 January 9, 2014 10% O2 P-4 January 9, 2014 10% O2 P-5 January 9, 2014 10% O2

P-12 January 9, 2014 10% O2 P-13 January 9, 2014 10% O2 P-14 January 9, 2014 10% O2 P-22 January 9, 2014 10% O2 P-23 January 9, 2014 10% O2 P-24 January 9, 2014 10% O2 P-56 January 9, 2014 10% O2 P-78 January 9, 2014 15% O2 P-79 January 9, 2014 10% O2

CV-76 December 6, 2016 145°F H-52A December 6, 2016 145°F

CV-100 December 6, 2016 145°F CV-103 December 6, 2016 145°F CV-104 December 6, 2016 145°F CV-105 December 6, 2016 145°F CV-50D December 6, 2016 145°F

HOV Wells Approval Date HOV CV-50S December 6, 2016 145°F CV-51D December 6, 2016 145°F CV-51S December 6, 2016 145°F CV-52D December 6, 2016 145°F CV-52S December 6, 2016 145°F CV-53D December 6, 2016 145°F CV-53S December 6, 2016 145°F CV-54D December 6, 2016 145°F CV-54S December 6, 2016 145°F CV-55R December 6, 2016 145°F CV-56D December 6, 2016 145°F CV-57R December 6, 2016 145°F CV-74R December 6, 2016 145°F CV-79R December 6, 2016 145°F

CV-107-56 December 6, 2016 145°F CV-109-55 December 6, 2016 145°F CV-1418 December 6, 2016 145°F CV-1419 December 6, 2016 145°F CV-1424 December 6, 2016 145°F CV-1425 December 6, 2016 145°F CV-1426 December 6, 2016 145°F CV-1532 December 6, 2016 145°F CV-1533 December 6, 2016 145°F

CV-108-52 December 6, 2016 145°F 40 CFR 60.753(d)

Operate the collection system so that the methane concentration is less than 500 parts per million (ppm) above background at the surface of the landfill.

Landfill surface emissions monitoring (SEM) (“instantaneous surface sweeps”) was performed monthly during the reporting period to measure concentrations of total organic carbon (TOC) as methane. The monthly monitoring is performed in accordance with CCL’s SCAQMD Rule 1150.1 Compliance Plan. This monitoring exceeds the NSPS requirement for quarterly SEM. The monthly testing was performed by RES Environmental, Inc. (RES) under contract to CCL using a portable toxic vapor analyzer (TVA), which meets or exceeds all guideline specifications. The TVA was calibrated on the same date as the testing. Calibration records are available upon request. Reports summarizing the monitoring dates, survey pathways, and results are kept on file at the landfill. The records are available upon request. The results of the monitoring events are summarized in Table 6. Each exceedance has been subjected to corrective action and re-monitoring in accordance with the Rule 1150.1 and the NSPS.

40 CFR 60.753(e)

Operate the system such that all collected gases are vented to a control system designed and operated in compliance with 40 CFR 60.752(b)(2)(ii).

All collected gases were conveyed to the LFGTE or flare station control system. The flare station is equipped with an automatic shutdown and alarm system that powers down the specific blower whenever a flare shuts down to ensure that no collected LFG is vented to the atmosphere untreated.

40 CFR 60.755(5)

The owner or operator shall implement a program to monitor for cover integrity and implement cover repairs as necessary on a monthly basis.

The site operations personnel monitor and report any areas of concern as part of their daily inspection and as part of the monthly surface emissions monitoring. These inspections included at least monthly cover integrity checks on all areas of the landfill. The site operations personnel then make any necessary repairs. The monthly cover integrity checks monitoring was performed on July 30, August 31, September 28, October 30, November 30, and December 29, 2020.

40 CFR 60.757(f)(1)

Value and length of time for exceedance of applicable parameters monitored under 40 CFR 60.756(a), (b), (c), and (d).

40 CFR 60.756(a) and (b): The flare station has been installed and calibrated according to manufacturer’s specifications, and maintains a temperature monitoring device with a continuous recorder and a LFG flow rate monitoring device which records flows at least every 15 minutes.

40 CFR 60.756(c)

The facility does not have an open flare.

40 CFR 60.756(d)

The facility does not use a device other than an open flare or an enclosed combustor.

40 CFR 60.757(f)(2)

Description and duration of all periods when the gas stream is diverted from the control device.

At no time during the reporting period was the gas stream diverted from the control devices.

40 CFR 60.757(f)(3)

Description and duration of all periods when the control device was not operating for more than 1 hour.

Individual control device shutdowns exceeding 1 hour in duration can be found in Table 7.

From August 22, 2020, 23:43 to August 23, 2020, 7:08, August 23, 2020, 10:00 to August 24, 2020, 5:26, and September 2, 2020, 0:25 to 0:49, there were recorded flows during the Flare No. 2 SSM event, resulting in excess emissions. The flame arrestor housing was removed so that the flare valve could be visually inspected. The butterfly disc was found not to be completely closed due to age and wear of the valve, which has been in operation since 2007. Procurement of a replacement valve began on September 2, 2020, for delivery and replacement on September 8, 2020. This deviation has been reported on August 25, 2020, notification number 22811. Further details are provided in the 2nd Semi-Annual/Annual Title V Report.

40 CFR 60.757(f)(4)

All periods when the collection system was not operating in excess of 5 days.

At no time during the reporting period was the collection system not operating in excess of 5 days.

40 CFR 60.758(c)(1)(i)

For enclosed combustors except for boilers and process heaters with design heat input capacity of 44 megawatts (150 million British thermal units per hour) or greater, all 3-hour periods of operation during which the average combustion temperature was more than 28°C below the average combustion temperature during the most recent performance test at which compliance with 40 CFR 60.753(b)(2)(iii) was determined.

The source test for Flare No. 1/FL-150 was conducted on July 2, 2019, and reported on August 13, 2019. The minimum temperature Flare No. 1/FL-150 should have operated from July 1 – August 3, 2020 was 1,575°F (1,625°F minus 50°F). The most recent source test for Flare No. 1/FL-150 was conducted on July 9, 2020, and reported on August 4, 2020. The minimum temperature Flare No. 1/FL-150 should have operated from August 4 – December 31, 2020 was 1,549°F (1,599°F minus 50°F).

The most recent source test for Flare No. 2/FL-100 was conducted on January 7, 2020, and reported on February 5, 2020. The minimum temperature Flare No. 2/FL-100 should have operated from July 1 – December 31, 2020 was 1,497°F (1,547°F minus 50°F). The next source test is scheduled for January 6, 2021 and will be reported in the next reporting period.

During the reporting period, the temperature of the flares did not drop below the established minimum NSPS temperatures for 3-hour periods, excluding periods of SSM, which are exempt per NSPS criteria.

Missing or invalid data can potentially be a deviation for the temperature monitoring requirement for the flares if one or more hours of data in a 3-hour block is missing or invalid as defined by having more than 15 minutes of invalid or missing data in an hour. There were zero (0) missing data events for FL-100 and FL-150 during the reporting period, excluding periods of SSM.

40 CFR 60.757(f)(5)

The location of each observed methane surface emission in exceedance of 500 ppm, and the follow-up re-monitoring concentration were recorded for each location for which an exceedance was recorded during a monthly monitoring event.

Landfill SEM (“instantaneous surface sweeps”) were performed on a monthly basis during the reporting period to measure concentrations of TOC as methane. The monitoring dates, survey pathways, and results are documented in the landfill’s quarterly reports prepared by RES. The quarterly reports are kept on site for the landfill’s records.

Table 6 provides the results of any locations where observed methane surface emissions in exceedance of 500 parts per million by volume (ppmv) were found. Instantaneous surface monitoring is performed every month at CCL. SEM was performed in general accordance with NSPS using procedures under Rule 1150.1.

Each of the locations where surface emissions exceeded 500 ppmv as methane were remediated by applying additional soil cover, compacting the soil, moisture conditioning the soil, adjusting nearby

LFG extraction wells, and/or adding additional extraction points. Following the remediation activities, locations were subsequently re-monitored and all locations were corrected within the first 10-day period. In addition to the 10-day monitoring event, re-monitoring was also performed within 1-month of the initial exceedance or an additional 10-day re-monitoring if the first 10-day resulted in continued emission exceedances.

From the previous reporting period, during the monthly SEM event on June 29, 2020, there were sixteen (16) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed, including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on July 9, 2020, resulted in all locations with surface emissions below 500 ppmv. The 1-month re-monitoring event on July 23, 2020 resulted in surface emissions below 500 ppmv, and in compliance per NSPS.

During the monthly SEM event on July 30, 2020, there were thirteen (13) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed, including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on August 6, 2020, resulted in all locations with surface emissions below 500 ppmv. The 1-month re-monitoring event on August 25, 2020 resulted in surface emissions below 500 ppmv, and in compliance per NSPS.

During the monthly SEM event on August 31, 2020, there were eleven (11) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed, including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on September 10, 2020, resulted in all locations with surface emissions below 500 ppmv. The 1-month re-monitoring event on September 25, 2020 resulted in surface emissions below 500 ppmv, and in compliance per NSPS.

During the monthly SEM event on September 28, 2020, there were nine (9) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed, including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on October 7, 2020, resulted in all locations with surface emissions below 500 ppmv. The 1-month re-monitoring event was performed on October 22, 2020, resulting in surface emissions below 500 ppmv, and in compliance per NSPS.

During the monthly SEM event on October 30, 2020, there were nine (9) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed, including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on November 11, 2020, resulted in all locations with surface emissions below 500 ppmv. Please note, the 10-day re-monitoring was delayed due to rain. The 1-month re-monitoring event was performed on November 23, 2020, resulting in surface emissions below 500 ppmv, and in compliance per NSPS.

During the monthly SEM event on November 30, 2020, there were twelve (12) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed, including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on December 9, 2020, resulted in all locations with surface emissions below 500 ppmv. The 1-month re-monitoring event was performed on December 24, 2020, resulting in surface emissions below 500 ppmv, and in compliance per NSPS.

During the monthly SEM event on December 29, 2020, there were two (2) areas that had instantaneous readings above 500 ppmv as methane. Remediation activities were performed,

including adjusting local wells as well as adding soil and compacting, and the 10-day re-monitoring event on January 8, 2021, resulted in all locations with surface emissions below 500 ppmv. The 1-month re-monitoring event will be performed in January 2021, and reported in the next semi-annual report.

40 CFR 60.757(f)(6)

The date of installation and the location of each well or collection system expansion added pursuant to 40 CFR 60.752 paragraphs (a)(3), (b), and (c)(4).

The following installations occurred during the reporting period:

Date Well Installation Activity

July 2, 2020 Installed horizontal collector H-1957B and its associated piping, operational.

August 13, 2020 Installed horizontal collector H-2054E and its associated piping, operational.

August 14, 2020 Installed horizontal collector H-2054W and its associated piping, operational.

August 19, 2020 Installed horizontal collector H-2053E and its associated piping, operational.

August 21, 2020 Installed trench collector SC-2000E and its associated piping, operational.

August 26, 2020 Installed horizontal collector H-2055W and its associated piping, operational.

September 11, 2020 Installed vertical collector CV-2008 and its associated piping, operational.

September 13, 2020 Installed horizontal collector H-2053W and its associated piping, operational.

November 17, 2020 Installed horizontal collector H-2050E and its associated piping, operational.

Date Well Installation Activity

November 17, 2020 Installed horizontal collector H-2050W and its associated piping, operational.

November 25, 2020 Installed trench collector SC-2001W and its associated piping, operational.

40 CFR 60.758 The most recent source test for Flare No. 1/FL-150 was performed on July 9, 2020, and reported an average process temperature of 1,599°F on August 4, 2020. The most recent source test for Flare No. 2/FL-100 was performed on January 7, 2020, and reported an average process temperature of 1,547°F on February 5, 2020. Performance test summary information on the NMOC, Nitrogen Oxides (NOx), Sulfur Oxides (SOx), and Carbon Monoxide (CO) emissions for Flare No. 1/FL-150 and No. 2/FL-100 is provided below.

Test Date Parameter Flare Emission Limit

Flare No. 1 (FL-150) 7/9/20, Reported

8/4/20

NOx Emission Rate (lb/MMBtu) 0.0356 0.06 lb/MMBtu CO Emission Rate (lb/MMBtu) <20 2,000 ppmv NMOC Emission Rate (ppmv, as hexane @ 3% O2) 0.888 20 ppmv

NMOC Destruction Efficiency (%) 99.7% 98% Flare No. 2 (FL-100) 1/7/20, Reported

2/5/20

NOx Emission Rate (lb/MMBtu) 0.0109 0.025 lb/MMBtu CO Emission Rate (lb/MMBtu) <0.0203 0.06 lb/MMBtu NMOC Emission Rate (ppmv, as hexane @ 3% O2) 0.775 20 ppmv

NMOC Destruction Efficiency (%) 99.55% 98%

Table 1. Summary of Wells Under Positive Pressure

Name Date Static

Pressure (In. H2O)

5-Day Corrective

Action Date

Corrective Action

15-Day Follow-Up

Static Pressure (In. H2O)

Follow-Up Date Comments

CV-1418 9/8/20 0.25 9/8/20 Valve adjustment -0.04 9/8/20* --

CV-1609S 9/17/20 0.96 9/17/20 Valve adjustment -0.45 9/17/20* --

CV-52D 9/12/20 0.34 9/12/20 Valve adjustment -0.29 9/12/20* --

CV-57R 9/15/20 0.05 9/15/20 Valve adjustment -0.37 9/15/20* --

H-1406W 10/5/20 4.7 10/5/20 Valve adjustment -0.26 10/5/20* --

H-1409N 10/7/20 0.01 10/7/20 Valve adjustment -0.59 10/7/20* --

H-1773B 9/21/20 0.05 9/21/20 Valve adjustment -0.06 9/21/20* --

H-1807A 9/14/20 0.41 9/14/20 Valve adjustment -12.99 9/14/20* --

H-1962B 7/16/20 0.15 7/16/20 Valve adjustment -0.02 7/16/20* --

H-1963S 7/16/20 0.08 7/16/20 Valve adjustment -0.63 7/16/20* --

Name Date Static

Pressure (In. H2O)

5-Day Corrective

Action Date

Corrective Action

15-Day Follow-Up

Static Pressure (In. H2O)

H-32 8/7/20 1.25 8/7/20 Valve adjustment -0.5 8/7/20* --

H-65 7/20/20 1.77 7/20/20 Valve adjustment -3.66 7/20/20* --

P-31 8/19/20 0.0 8/19/20 Valve adjustment -0.5 8/19/20* --

SC-2001W 12/22/20 0.07 12/22/20 Valve adjustment -0.75 12/22/20* --

TC-1961E 7/21/20 0.14 7/21/20 Valve adjustment -0.09 7/21/20* --

Notes: (1) Wells taken offline under SSM event as allowed under the NSPS were not considered part of the system during the monitoring event. (2) Exceedances marked with an asterisk (*) were remediated within 5-day period and corrected and re-monitored within the 15-day period prescribed by the NSPS.

Table 2. Summary of Wells Above 5% Oxygen from Previous Reporting Period

Name Status

H-1551A Well could not be corrected for high oxygen on 4/25/19. Temporarily decommissioned 5/10/19. Abandoned 12/31/20

H-42 Well could not be corrected for high oxygen on 5/14/19. Temporarily decommissioned 5/29/19. Online and compliant (3.8%) on 12/17/20

H-48 Well could not be corrected for high oxygen on 2/27/19. Temporarily decommissioned 4/25/19, offline as of end of reporting period

H-68 Well could not be corrected for high oxygen on 11/13/19. Temporarily decommissioned 11/13/19, offline as of end of reporting period

C-14 Well could not be corrected for high oxygen on 4/21/20. Temporarily decommissioned 5/4/20, offline as of end of reporting period

C-21 Well could not be corrected for high oxygen on 1/22/20. Temporarily decommissioned 2/6/20, offline as of end of reporting period

C-27 Well could not be corrected for high oxygen on 6/26/20. Compliant (4.3%) on 7/10/20 within 120-day timeframe

C-31A Well could not be corrected for high oxygen on 6/26/20. Compliant (0.4%) on 9/23/20 within 120-day timeframe

CV-1605 Well could not be corrected for high oxygen on 5/29/20. Temporarily decommissioned 6/5/20. Online and compliant (4.4%) on 9/24/20 within 120-day timeframe

CV-30D Well could not be corrected for high oxygen on 4/16/20. Compliant (3.8%) on 7/13/20 within 120-day timeframe

CV-32D Well could not be corrected for high oxygen on 5/1/20. Temporarily decommissioned 5/1/20. Online and compliant (3.5%) on 7/13/20 within 120-day timeframe

CV-49D Well could not be corrected for high oxygen on 6/10/20. Compliant (0.2%) on 7/13/20 within 120-day timeframe

D-11 Well could not be corrected for high oxygen on 1/15/20. Temporarily decommissioned 1/30/20. Online and compliant (7.2%) on 7/24/20 within 120-day timeframe. HOV approved for 10% oxygen

H-05 (EXP-05)

Well could not be corrected for high oxygen on 6/16/20. New well installed and online (CV-2012 on 9/18/20) within 120-day timeframe. Compliant (4.8%) on 11/10/20

H-06 (EXP-06)

Well could not be corrected for high oxygen on 4/16/20. Temporarily decommissioned 5/1/20. Online and compliant (0.7%) on 7/15/20 within 120-day timeframe

H-14 (EXP-14)

Well could not be corrected for high oxygen on 6/19/20. Compliant (3.4%) on 10/13/20 within 120-day timeframe

H-1408C Well could not be corrected for high oxygen on 4/28/20. Temporarily decommissioned 4/28/20. Online and compliant (2.2%) on 9/24/20 within 120-day timeframe

H-15 (EXP-15)

Well could not be corrected for high oxygen on 6/17/20. Compliant (0.3%) on 9/8/20 within 120-day timeframe

H-1552B Well could not be corrected for high oxygen on 6/2/20. Compliant( 0.4%) on 7/3/20 within 120-day timeframe

H-1562S Well could not be corrected for high oxygen on 4/14/20. Temporarily decommissioned 4/28/20, offline as of end of reporting period

H-17 (EXP-17)

Well could not be corrected for high oxygen on 5/7/20. New wells installed and online (H-1767N on 7/1/20 and CV-2012 on 9/18/20) within 120-day timeframe. Compliant (4.6%) on 11/10/20

Name Status

H-1751S Well could not be corrected for high oxygen on 5/28/20. Temporarily decommissioned 5/28/20. Online and compliant (4.8%) on 8/11/20 within 120-day timeframe

H-1768S Well could not be corrected for high oxygen on 6/12/20. Compliant (4.0%) on 10/5/20 within 120-day timeframe

H-25 (EXP-25)

Well could not be corrected for high oxygen on 6/16/20. New well installed and online (CV-2012 on 9/18/20) within 120-day timeframe. Compliant (1.3%) on 11/10/20

H-29 Well could not be corrected for high oxygen on 6/16/20. Compliant (4.5%) on 10/10/20 within 120-day timeframe

H-33A Well could not be corrected for high oxygen on 6/16/20. Compliant (3.7%) on 7/1/20 within 120-day timeframe

H-82 Well could not be corrected for high oxygen on 5/11/20. Compliant (4.6%) on 8/20/20 within 120-day timeframe

Table 3. Summary of Wells Above 5% Oxygen

Name Date Oxygen (% by Vol)

5-Day Corrective

Action Date

Corrective Action

15-Day Follow-Up Oxygen (% by Vol)

Follow-Up

Date Comments

C-03 8/3/20 11.0 8/3/20 Valve adjustment 0.0 8/18/20* --

C-03 10/19/20 16.9 10/19/20 Valve adjustment 15.4 10/29/20 Compliant (1.9%) on

11/9/20

C-14 12/21/20 6.8 12/21/20 Temporarily

decommissioned 12/21/20

-- -- Offline as of end of reporting period

C-17A 8/10/20 7.5 8/10/20 Valve adjustment 4.8 8/10/20* --

C-17A 9/4/20 6.2 9/4/20 Valve adjustment 4.1 9/4/20* --

C-21 12/21/20 10.9 12/21/20 Temporarily

C-31A 11/25/20 19.5 11/25/20 Valve adjustment 18.4 11/30/20

Temporarily decommissioned

12/10/20, offline as of end of reporting

period

CV-101 8/6/20 13.8 8/6/20 Valve adjustment 0.2 8/20/20* --

CV-101 9/24/20 9.8 9/24/20 Valve adjustment 18.4 10/7/20 Compliant (4.8%) on

11/3/20

CV-109-55 11/17/20 11.4 11/17/20 Valve

adjustment 1.4 11/17/20* --

CV-1605 10/19/20 5.5 10/19/20 Temporarily

CV-30D 12/21/20 7.1 12/21/20 Valve adjustment 5.8 12/21/20

In 120-day timeframe for

corrective action or 4/20/21

5-Day Corrective

Action Date

Corrective Action

Follow-Up

Date Comments

CV-32D 8/11/20 8.2 8/11/20 Valve adjustment 0.0 8/25/20* --

CV-82 8/17/20 9.1 8/17/20 Temporarily

period

8/6/20

CV-89 8/11/20 7.0 8/11/20 Valve adjustment 8.1 8/11/20

period

12/15/20

D-11 10/19/20 20.4 10/19/20 Temporarily

-- -- Online and

compliant (8.7%) on 12/16/20

5-Day Corrective

Action Date

Corrective Action

Follow-Up

Date Comments

H-05 (EXP-05) 12/21/20 18.7 12/21/20 Valve

adjustment 15.3 12/21/20

H-06 (EXP-06) 8/10/20 8.6 8/10/20

8/10/20 -- --

Online and compliant (1.7%) on

11/10/20

H-06 (EXP-06) 12/21/20 18.2 12/21/20

12/21/20 -- -- Offline as of end of

reporting period

H-102A 9/18/20 5.6 9/18/20 Valve adjustment 3.2 9/29/20* --

H-14 (EXP-14) 12/1/20 5.1 12/1/20 Valve

adjustment 3.8 12/11/20* --

H-1407E 8/6/20 5.4 8/6/20 Valve adjustment 3.8 8/21/20* --

H-1407E 9/24/20 6.1 9/24/20 Valve adjustment 6.1 9/24/20 Compliant (4.8%) on

11/3/20

H-1407E 12/22/20 10.7 12/22/20 Valve adjustment 10.5 12/22/20

H-1408C 10/19/20 9.4 10/19/20 Temporarily

H-1410S 8/13/20 20.3 8/13/20 Valve adjustment 15.5 8/25/20 Compliant (0.3%) on

9/24/20 H-15

(EXP-15) 10/13/20 10.9 10/13/20 Valve adjustment 0.8 10/26/20* --

H-1552B 7/14/20 19.4 7/14/20 Valve adjustment 19.2 7/17/20

period

H-1561S 12/1/20 9.7 12/1/20 Valve adjustment 4.8 12/2/20* --

11/5/20

H-1570N 12/15/20 9.2 12/15/20 Valve adjustment 0.7 12/30/20* --

5-Day Corrective

Action Date

Corrective Action

Follow-Up

Date Comments

H-1570S 8/20/20 18.5 8/20/20 Temporarily

-- -- Online and

compliant (1.1%) on 9/24/20

12/21/20

H-1575 8/7/20 8.3 8/7/20 Valve adjustment 2.7 8/10/20* --

H-17 (EXP-17) 12/1/20 6.8 12/1/20 Valve

adjustment 3.3 12/3/20* --

H-1751S 9/10/20 9.2 9/10/20 Temporarily

H-1765S 7/13/20 16.4 7/13/20 Temporarily

H-1768S 10/28/20 8.0 10/28/20 Valve adjustment 19.7 11/11/20

H-1773A 9/1/20 6.3 9/1/20 Valve adjustment 6.1 9/1/20 Compliant (2.9%) on

9/17/20

H-1951W 12/1/20 5.2 12/1/20 Valve adjustment 5.2 12/1/20

12/15/20

H-1955S 12/15/20 8.0 12/15/20 Temporarily

5-Day Corrective

Action Date

Corrective Action

Follow-Up

Date Comments

H-1960 8/26/20 6.4 8/26/20 Valve adjustment 10.7 8/26/20 Compliant (4.9%) on

10/5/20

H-2053W 9/13/20 19.2 9/13/20 Valve adjustment 0.0 9/17/20* --

H-2054E 8/26/20 5.8 8/26/20 Valve adjustment 5.9 8/26/20 Compliant (4.2%) on

9/6/20

H-2054E 11/20/20 5.8 11/20/20 Valve adjustment 5.9 11/23/20

H-24 (EXP-24) 7/8/20 19.4 7/8/20 Valve

adjustment 4.9 7/23/20* --

H-24 (EXP-24) 8/10/20 5.8 8/10/20 Valve

adjustment 5.6 8/10/20 Compliant (3.0%) on 11/10/20

H-24 (EXP-24) 12/21/20 5.7 12/21/20 Valve

H-27 12/11/20 20.2 12/11/20 Temporarily

H-29 11/9/20 21.0 11/9/20 Valve adjustment 20.4 11/12/20

period

8/13/20

H-33A 7/3/20 5.5 7/3/20 Valve adjustment 5.4 7/3/20 Compliant (1.1%) on

8/20/20

5-Day Corrective

Action Date

Corrective Action

Follow-Up

Date Comments

10/15/20

8/7/20

period

11/19/20

P-39 9/1/20 19.1 9/1/20 Valve adjustment 19.1 9/1/20 Compliant (4.4%) on

9/17/20

P-61 12/22/20 6.3 12/22/20 Valve adjustment 7.9 12/22/20

5-Day Corrective

Action Date

Corrective Action

Follow-Up

Date Comments

P-69 12/22/20 19.5 12/22/20 Valve adjustment 19.7 12/22/20

P-76 9/1/20 17.8 9/1/20 Temporarily

-- -- Online and

compliant (0.2%) on 10/2/20

TC-1959S 12/17/20 8.1 12/17/20

12/17/20 -- -- Offline as of end of

reporting period

TC-1961C 7/21/20 6.0 7/21/20 Valve

period Notes: (1) Wells taken offline under SSM event as allowed under the NSPS were not considered part of the system during the monitoring event. (2) Exceedances marked with an asterisk (*) were remediated within 5-day period and corrected and re-monitored within the 15-day period prescribed by the NSPS.

Table 4. Summary of Wells Above 131° Fahrenheit from Previous Reporting Period

Name Status

CV-1601S Well could not be corrected for high temperature on 6/18/20. Compliant (130.9°F) 9/18/20, within 120-day timeframe.

CV-1701S

Well could not be corrected for high temperature on 4/7/20. In 120-day timeframe for corrective action, prior to 10/16/20. New wells installed and online (H-1767N on 7/1/20

and CV-2012 on 9/18/20) within 120-day timeframe. HOV demonstration will be submitted.

CV-55R Well could not be corrected for high temperature on 4/29/20. In 120-day timeframe

for corrective action, prior to 8/27/20. New well installed and online (H-1767N on 7/1/20) within 120-day timeframe. HOV demonstration will be submitted.

H-04 (EXP-04)

Well could not be corrected for high temperature on 6/16/20. Compliant (126.5°F) on 7/15/20 within 120-day timeframe.

H-1404C Well could not be corrected for high temperature on 6/15/20. Compliant (124.9°F) on 7/1/20 within 120-day timeframe.

H-1563S Well could not be corrected for high temperature on 4/29/20. Compliant (82.5°F) on 8/6/20 within 120-day timeframe.

H-1568N Well could not be corrected for high temperature on 6/25/20. Compliant (92.9°F) on 8/6/20 within 120-day timeframe.

H-1951W Well could not be corrected for high temperature on 6/22/20. Compliant (91.6°F) on 7/3/20 within 120-day timeframe.

H-79 Well could not be corrected for high temperature on 5/19/20. In 120-day timeframe

for corrective action, prior to 9/16/20. New well installed and online (H-1767N on 7/1/20) within 120-day timeframe. HOV demonstration will be submitted.

Table 5. Summary of Wells Above 131 Degrees Fahrenheit

Name Date Temp (ºF)

5-Day Corrective

Action Date

Corrective Action

15-Day Follow-Up Temp (ºF)

CV-07 8/20/20 130.8 8/20/20 Valve adjustment 131.7 8/20/20 Compliant 130.8°F

on 9/23/20

corrective action, or 2/12/21

CV-1601S 9/18/20 132 9/18/20 Valve

CV-1701D 8/20/20 134.9 8/20/20 Valve

adjustment 133 8/25/20 Compliant 113.7°F on 9/23/20

CV-1701D 10/19/20 131.4 10/19/20 Valve

adjustment 132.5 10/29/20 Compliant 128.5°F on 11/18/20

CV-1904 7/8/20 144.8 7/8/20 Valve adjustment 147 7/8/20 Compliant 111.9°F

on 10/7/20

CV-1904 11/5/20 141 11/5/20 Valve adjustment 141.1 11/5/20 Compliant 130.4°F

on 11/30/20

CV-2010 9/17/20 133.6 9/17/20 Valve adjustment 130.7 9/28/20 --

CV-31S 8/31/20 131.7 8/31/20 Valve adjustment 82.3 9/12/20* --

5-Day Corrective

Action Date

Corrective Action

H-01 (EXP-01) 10/12/20 135.5 10/12/20 Valve

adjustment 128.4 10/26/20* --

H-04 (EXP-04) 8/10/20 140.4 8/10/20 Valve

adjustment 140.8 8/10/20 Compliant 78.6°F on 11/10/20

H-04 (EXP-04) 12/21/20 135.2 12/21/20 Valve

H-14 (EXP-14) 9/6/20 133.3 9/6/20 Valve

adjustment 134 9/6/20 Compliant 88°F on 10/13/20

H-1404E 9/24/20 133.4 9/24/20 Valve adjustment 125.4 10/7/20 --

H-1551B 9/24/20 131.8 9/24/20 Valve adjustment 128.6 9/25/20* --

H-1561N 8/11/20 131.4 8/11/20 Valve adjustment 131.4 8/11/20 Compliant 130.7°F

on 9/10/20

H-1561N 10/7/20 131.2 10/7/20 Valve adjustment 132.6 10/7/20

H-1563S 9/24/20 133.9 9/24/20 Valve adjustment 134.3 9/24/20 Compliant 127.5°F

on 11/5/20

H-1566S 8/27/20 131.8 8/27/20 Valve adjustment 131.3 9/8/20 Compliant 130.6°F

on 9/24/20

H-1567N 10/7/20 139.6 10/7/20 Valve adjustment 135 10/7/20 Compliant 126.2°F

on 10/26/20

H-1567N 11/3/20 132.7 11/3/20 Valve adjustment 137.4 11/3/20 Compliant 128.7°F

on 12/22/20

5-Day Corrective

Action Date

Corrective Action

H-1570S 7/24/20 132.1 7/24/20 Valve adjustment 116 7/24/20* --

H-1571S 7/24/20 131 7/24/20 Valve adjustment 131.1 7/24/20 Compliant 78.4°F

on 9/24/20

corrective action, or 12/5/20. New

wells installed and online (CV-2012 on

9/18/20, and H-2055E on

11/20/20). HOV demonstration will

be submitted

corrective action, or 12/4/20. New

wells installed and operational (CV-2012 on 9/18/20 and H-2055E on 11/20/20). HOV

demonstration will be submitted

H-1767N 8/19/20 133.2 8/19/20 Valve adjustment 102 8/24/20* --

H-1767N 8/26/20 133 8/26/20 Valve adjustment 129.3 9/8/20* --

5-Day Corrective

Action Date

Corrective Action

H-1951W 8/10/20 137 8/10/20 Valve adjustment 137.3 8/10/20 Compliant 119.4°F

on 9/24/20

H-1951W 10/5/20 137 10/5/20 Valve adjustment 121.4 10/7/20* --

H-1951W 10/7/20 135 10/7/20 Valve adjustment 136.9 10/19/20

Notes: (1) Wells taken offline under SSM event as allowed under the NSPS were not considered part of the system during the monitoring event. (2) Exceedances marked with an asterisk (*) were remediated within 5-day period and corrected and re-monitored within the 15-day period prescribed by the NSPS.

Table 6. Instantaneous Surface Emissions Monitoring Summary

Monitoring Date

Location of Exceedance

Initial Reading (ppmv)

10-Day Re-

Check Date

Re-Check

Reading (ppmv)

10-Day Re-

Check Date

Re-Check

Reading (ppmv)

1-Month Re-

Check Date

Re-Check

Reading (ppmv)

6/29/20 81/Y16 622 7/9/20 39.21 NA NA 7/23/20 46.21 6/29/20 59/Y17 584 7/9/20 70.91 NA NA 7/23/20 40.19 6/29/20 149/Y36 511 7/9/20 46.39 NA NA 7/23/20 31.26 6/29/20 149/Y37 1,152 7/9/20 116 NA NA 7/23/20 101 6/29/20 81/Y21 878 7/9/20 144 NA NA 7/23/20 92.34 6/29/20 60/Y22 682 7/9/20 216 NA NA 7/23/20 210 6/29/20 36/Y11 746 7/9/20 112 NA NA 7/23/20 116 6/29/20 36/Y12 823 7/9/20 222 NA NA 7/23/20 82.36 6/29/20 76/Y61 600 7/9/20 113 NA NA 7/23/20 99.81 6/29/20 147/Y6 750 7/9/20 149 NA NA 7/23/20 121 6/29/20 148/Y1 505 7/9/20 42.06 NA NA 7/23/20 66.26 6/29/20 66/Y46 500 7/9/20 139 NA NA 7/23/20 77.47 6/29/20 66/Y47 600 7/9/20 246 NA NA 7/23/20 118 6/29/20 152/Y31 530 7/9/20 101 NA NA 7/23/20 88.24 6/29/20 53/Y41 500 7/9/20 77.22 NA NA 7/23/20 129 6/29/20 53/Y42 550 7/9/20 124 NA NA 7/23/20 87.43 162/Y21 7/30/20 800 8/6/20 15 NA NA 8/25/20 5.42 162/Y22 7/30/20 800 8/6/20 26 NA NA 8/25/20 7.9 165/Y31 7/30/20 562 8/6/20 21 NA NA 8/25/20 36.83 161/Y32 7/30/20 613 8/6/20 84 NA NA 8/25/20 9.16 161/Y33 7/30/20 733 8/6/20 63 NA NA 8/25/20 14.08 163/Y34 7/30/20 717 8/6/20 13 NA NA 8/25/20 56.22 209/Y35 7/30/20 514 8/6/20 20 NA NA 8/25/20 18.49 155/Y1 7/30/20 1,650 8/6/20 109 NA NA 8/25/20 23.01 155/Y2 7/30/20 1,458 8/6/20 146 NA NA 8/25/20 18.74 90/Y3 7/30/20 3,358 8/6/20 53 NA NA 8/25/20 41.27 160/Y4 7/30/20 950 8/6/20 34 NA NA 8/25/20 13.68 214/Y5 7/30/20 1,000 8/6/20 126 NA NA 8/25/20 6.12 197/Y6 7/30/20 1,000 8/6/20 153 NA NA 8/25/20 8.39 212/Y1 8/31/20 970 9/10/20 210 NA NA 9/25/20 101 211/Y2 8/31/20 750 9/10/20 314 NA NA 9/25/20 48.26 211/Y3 8/31/20 1,020 9/10/20 222 NA NA 9/25/20 86.23 208/Y4 8/31/20 600 9/10/20 66.32 NA NA 9/25/20 42.01 208/Y11 8/31/20 750 9/10/20 59.86 NA NA 9/25/20 73.26 209/Y12 8/31/20 800 9/10/20 261 NA NA 9/25/20 55.15 164/Y13 8/31/20 1,000 9/10/20 410 NA NA 9/25/20 31.6 164/Y14 8/31/20 500 9/10/20 296 NA NA 9/25/20 28.51

Monitoring Date

Location of Exceedance

Initial Reading (ppmv)

10-Day Re-

Check Date

Re-Check

Reading (ppmv)

10-Day Re-

Check Date

Re-Check

Reading (ppmv)

1-Month Re-

Check Date

Re-Check

Reading (ppmv)

163/Y15 8/31/20 650 9/10/20 116 NA NA 9/25/20 98.23 34/Y16 8/31/20 900 9/10/20 299 NA NA 9/25/20 47.85 34/Y17 8/31/20 750 9/10/20 168 NA NA 9/25/20 68.47 59/Y71 9/28/20 500 10/7/20 206 NA NA 10/22/20 76.31 59/Y72 9/28/20 880 10/7/20 381 NA NA 10/22/20 169 154/Y51 9/28/20 502 10/7/20 56 NA NA 10/22/20 81.57 155/Y52 9/28/20 800 10/7/20 101 NA NA 10/22/20 52.48 89/Y53 9/28/20 500 10/7/20 6 NA NA 10/22/20 23.11 88/Y54 9/28/20 2,100 10/7/20 198 NA NA 10/22/20 98.47 164/Y55 9/28/20 675 10/7/20 32 NA NA 10/22/20 18.31 196/Y11 9/28/20 5,500 10/7/20 10 NA NA 10/22/20 15.68 197/Y1 9/28/20 572 10/7/20 98 NA NA 10/22/20 10.94 159/Y21 10/30/20 500 11/11/20* 74.52 NA NA 11/23/20 209 158/Y22 10/30/20 1,000 11/11/20 91.68 NA NA 11/23/20 436 197/Y23 10/30/20 2,000 11/11/20 131 NA NA 11/23/20 394 96/Y24 10/30/20 500 11/11/20 13.94 NA NA 11/23/20 74 59/Y31 10/30/20 510 11/11/20 86.5 NA NA 11/23/20 106 165/Y1 10/30/20 9,000 11/11/20 28.14 NA NA 11/23/20 421 163/Y2 10/30/20 1,500 11/11/20 12.03 NA NA 11/23/20 263 160/Y3 10/30/20 650 11/11/20 2.37 NA NA 11/23/20 97 196/Y4 10/30/20 500 11/11/20 11.15 NA NA 11/23/20 67 159/Y11 11/30/20 500 12/9/20 490 NA NA 12/24/20 114 96/Y21 11/30/20 501 12/9/20 22 NA NA 12/24/20 117 194/Y22 11/30/20 652 12/9/20 10 NA NA 12/24/20 270 194/Y23 11/30/20 503 12/9/20 8 NA NA 12/24/20 234 194/Y24 11/30/20 523 12/9/20 24 NA NA 12/24/20 172 96/Y41 11/30/20 1,946 12/9/20 285 NA NA 12/24/20 471 99/Y42 11/30/20 562 12/9/20 367 NA NA 12/24/20 110 99/Y43 11/30/20 621 12/9/20 425 NA NA 12/24/20 239 197/Y61 11/30/20 1,508 12/9/20 122 NA NA 12/24/20 489 165/Y81 11/30/20 2,400 12/9/20 17 NA NA 12/24/20 477 165/Y82 11/30/20 3,768 12/9/20 444 NA NA 12/24/20 327

161/Y101 11/30/20 800 12/9/20 200 NA NA 12/24/20 201 197/Y1 12/29/20 1,730 1/8/21 121 NA NA 1/21/21 108 194/Y21 12/29/20 919 1/8/21 94.26 NA NA 1/21/21 72

NA means not applicable Pending means the reading will be performed and reported in the next reporting period. Active means it is currently in an active area and readings will be conducted as soon as it is accessible. *Delayed due to precipitation

Table 7. Flare Station Periods Offline for More Than One Hour

Date of Shutdown Event

Date of Startup Event

Duration of Event (Hours) Cause for Startup/Shutdown or Malfunction

7/6/20 10:26 7/6/20 11:53 1.45 FL-150 shutdown to calibrate louvers

7/8/20 12:11 7/8/20 13:42 1.52 FL-150 shutdown for flare maintenance before pre-source test

7/31/20 9:59 7/31/20 13:00 3.02 FL-100 shutdown for maintenance

8/13/20 10:43 8/13/20 13:56 3.22 FL-150 shutdown for flame arrestor element cleaning and flare alarm test

8/17/20 10:50 8/17/20 13:14 2.40 FL-150 shutdown for LFG blower 106/107 preventative maintenance

8/22/20 23:13 8/24/20 10:28 35.25 FL-100 flame failure 9/1/20 13:01 9/1/20 15:00 1.98 FL-100 shutdown for maintenance 9/1/20 13:07 9/1/20 15:09 2.03 FL-150 shutdown for FIS to replace louver motor 9/2/20 23:55 9/2/20 1:12 1.28 FL-100 flame failure 9/2/20 14:50 9/2/20 9:06 18.27 FL-100 flame failure

9/3/20 10:31 9/3/20 11:49 1.30 FL-150 shutdown due to blower 107 motor input shaft coupling failure. Repaired and restarted

9/3/20 19:15 9/4/20 7:21 12.10 FL-100 shutdown due to block valve issues and installing flame arrestor

9/4/20 23:43 9/5/20 7:40 7.95 FL-100 shutdown due to block valve issues 9/5/20 22:43 9/6/20 9:59 11.27 FL-100 shutdown due to block valve issues 9/6/20 21:43 9/7/20 12:04 14.43 FL-100 shutdown due to block valve issues 9/7/20 19:42 9/8/20 7:47 12.08 FL-100 shutdown due to block valve issues 9/8/20 12:58 9/9/20 8:43 19.85 FL-100 shutdown due to block valve issues

9/10/20 19:57 9/11/20 6:36 10.65 FL-100 shutdown due to block valve issues 9/11/20 20:22 9/12/20 7:17 10.90 FL-100 shutdown due to block valve issues 9/12/20 13:25 9/13/20 7:13 17.92 FL-100 shutdown due to block valve issues 9/13/20 18:23 9/14/20 8:01 13.63 FL-100 shutdown due to block valve issues 9/14/20 20:19 9/15/20 7:44 11.42 FL-100 shutdown due to block valve issues 9/15/20 20:00 9/16/20 7:45 11.92 FL-100 shutdown due to block valve issues 9/16/20 19:09 9/17/20 8:11 13.03 FL-100 shutdown due to block valve issues 9/17/20 18:33 9/18/20 6:21 11.80 FL-100 shutdown due to block valve issues 9/18/20 13:55 9/18/20 15:30 1.58 FL-100 shutdown to install actuator valve 9/19/20 5:25 9/19/20 7:01 1.60 FL-100 high gas flow 9/19/20 5:25 9/19/20 7:20 1.92 FL-150 high gas flow 9/20/20 2:46 9/20/20 3:50 1.07 FL-150 high gas flow 9/21/20 0:00 9/21/20 1:30 1.50 FL-100 high gas flow 9/21/20 0:15 9/21/20 8:05 7.83 FL-150 high gas flow

Duration of Event (Hours) Cause for Startup/Shutdown or Malfunction

9/22/20 2:30 9/22/20 12:59 10.48 FL-100 high gas flow 9/22/20 2:31 9/22/20 7:02 4.52 FL-150 high gas flow 9/22/20 12:56 9/22/20 16:12 3.27 FL-150 flame failure 9/23/20 12:57 9/23/20 14:10 1.22 FL-100 shutdown for flow meter maintenance 11/10/20 2:42 11/9/20 4:15 1.55 FL-100 high gas flow 11/10/20 2:44 11/10/20 3:57 1.22 FL-150 high gas flow 11/30/20 12:06 11/30/20 13:15 1.15 FL-100 shutdown for monthly alarm testing 11/30/20 13:22 11/30/20 13:44 0.37 FL-100 shutdown for monthly alarm testing

12/8/20 5:33 12/9/20 14:49 33.27 FL-100 shutdown to perform flare deep cleaning and maintenance

12/10/20 8:45 12/10/20 11:06 2.35 FL-100 shutdown to inspect burner component and replace insulation sleeve on burner thermocouple

12/24/20 11:42 12/24/20 14:04 2.37 FL-100 liquids backing up in knockout 12/24/20 11:43 12/24/20 14:30 2.78 FL-150 liquids backing up in knockout 12/31/20 10:08 12/31/20 11:09 1.02 FL-100 shutdown for monthly alarm testing * Please note, majority of flare malfunctions due to stack temperature and gas flow were a result of Ameresco power plant operation, which is not in common control with CCL.

Table 8. Summary of Flare Station Startup/Shutdown Events

Duration of Event (Hours)

Cause for Startup/Shutdown

7/6/20 10:26 7/6/20 11:53 1.45 FL-150 shutdown to calibrate louvers

7/8/20 12:11 7/8/20 13:42 1.52 FL-150 shutdown for flare maintenance before pre-source test

7/30/20 10:40 7/30/20 10:46 0.10 FL-150 shutdown for monthly alarm testing 7/30/20 10:56 7/30/20 11:02 0.10 FL-150 shutdown for monthly alarm testing 7/30/20 11:08 7/30/20 11:47 0.65 FL-100 shutdown for monthly alarm testing 7/30/20 11:53 7/30/20 12:29 0.60 FL-100 shutdown for monthly alarm testing 7/31/20 9:59 7/31/20 13:00 3.02 FL-100 shutdown for maintenance

8/13/20 10:43 8/13/20 13:56 3.22 FL-150 shutdown for flame arrestor element cleaning and flare alarm test

8/28/20 10:25 8/28/20 11:21 0.93 FL-150 shutdown for flame arrestor element replacement

9/1/20 13:01 9/1/20 15:00 1.98 FL-100 shutdown for maintenance 9/1/20 13:07 9/1/20 15:09 2.03 FL-150 shutdown for FIS to replace louver motor 9/1/20 16:41 9/1/20 17:23 0.70 FL-100 shutdown for maintenance

9/3/20 10:31 9/3/20 11:49 1.30 FL-150 shutdown due to blower 107 motor input shaft coupling failure. Repaired and restarted

9/3/20 10:32 9/3/20 11:12 0.67 FL-100 shutdown for blower 107 maintenance 9/3/20 11:18 9/3/20 11:40 0.37 FL-100 shutdown for maintenance

9/4/20 23:43 9/5/20 7:40 7.95 FL-100 shutdown to fix block valve issues 9/5/20 22:43 9/6/20 9:59 11.27 FL-100 shutdown to fix block valve issues 9/6/20 21:43 9/7/20 12:04 14.43 FL-100 shutdown to fix block valve issues 9/7/20 19:42 9/8/20 7:47 12.08 FL-100 shutdown to fix block valve issues 9/8/20 12:58 9/9/20 8:43 19.85 FL-100 shutdown to fix block valve issues

9/10/20 19:57 9/11/20 6:36 10.65 FL-100 shutdown to fix block valve issues 9/11/20 20:22 9/12/20 7:17 10.90 FL-100 shutdown to fix block valve issues 9/12/20 13:25 9/13/20 7:13 17.92 FL-100 shutdown to fix block valve issues 9/13/20 18:23 9/14/20 8:01 13.63 FL-100 shutdown to fix block valve issues 9/14/20 20:19 9/15/20 7:44 11.42 FL-100 shutdown to fix block valve issues 9/15/20 20:00 9/16/20 7:45 11.92 FL-100 shutdown to fix block valve issues 9/16/20 19:09 9/17/20 8:11 13.03 FL-100 shutdown to fix block valve issues 9/17/20 18:33 9/18/20 6:21 11.80 FL-100 shutdown to fix block valve issues

Cause for Startup/Shutdown

9/18/20 13:55 9/18/20 15:30 1.58 FL-100 shutdown to install actuator valve 9/23/20 12:57 9/23/20 14:10 1.22 FL-100 shutdown for flow meter maintenance

9/23/20 13:42 9/23/20 14:16 0.57 FL-150 shutdown to turn off power to programmable logic controller (PLC) and swap out flow meter

9/29/20 10:15 9/29/20 10:40 0.42 FL-100 shutdown to switch to generator power for quarterly generator load test

9/29/20 10:15 9/29/20 10:32 0.28 FL-150 shutdown to switch from utility power to generator power to load test

9/29/20 13:46 9/29/20 14:10 0.40 FL-100 shutdown to switch back to utility power

9/29/20 13:46 9/29/20 14:00 0.23 FL-150 shutdown to switch from generator power back to utility power due to quarterly load testing

10/30/20 10:41 10/30/20 11:26 0.75 FL-100 shutdown for monthly alarm testing 10/30/20 11:33 10/30/20 12:04 0.52 FL-150 shutdown for monthly alarm testing 11/30/20 12:06 11/30/20 13:15 1.15 FL-100 shutdown for monthly alarm testing 11/30/20 13:22 11/30/20 13:44 0.37 FL-100 shutdown for monthly alarm testing 11/30/20 12:01 11/30/20 12:12 0.18 FL-150 shutdown for monthly alarm testing 11/30/20 11:29 11/30/20 11:52 0.38 FL-150 shutdown for monthly alarm testing

12/8/20 5:33 12/9/20 14:49 33.27 FL-100 shutdown to perform flare deep cleaning an maintenance

12/10/20 8:45 12/10/20 11:06 2.35 FL-100 shutdown to inspect burner component and replace insulation sleeve on burner thermocouple

12/31/20 10:08 12/31/20 11:09 1.02 FL-100 shutdown for monthly alarm testing 12/31/20 10:35 12/31/20 11:22 0.78 FL-150 shutdown for monthly alarm testing 12/31/20 11:31 12/31/20 11:36 0.08 FL-150 shutdown for monthly alarm testing

Table 9. Summary of Flare Station Malfunction Events

Cause for Malfunction

7/5/20 11:15 7/5/20 11:46 0.52 FL-150 flame failure 7/15/20 22:31 7/15/20 23:18 0.78 FL-150 low stack temperature 8/18/20 8:56 8/18/20 9:34 0.63 FL-100 high gas flow 8/18/20 9:12 8/18/20 9:37 0.42 FL-150 high gas flow 8/22/20 23:13 8/24/20 10:28 35.25 FL-100 flame failure 8/24/20 10:36 8/24/20 10:55 0.32 FL-100 low stack temperature 9/1/20 15:50 9/1/20 16:16 0.43 FL-100 high gas flow 9/1/20 16:43 9/1/20 16:47 0.07 FL-150 high stack temperature 9/2/20 23:55 9/2/20 1:12 1.28 FL-100 flame failure 9/2/20 14:50 9/2/20 9:06 18.27 FL-100 flame failure 9/6/20 9:43 9/6/20 10:26 0.72 FL-150 high gas flow

9/8/20 19:12 9/8/20 19:43 0.52 FL-150 high gas flow 9/19/20 5:25 9/19/20 7:01 1.60 FL-100 high gas flow 9/19/20 5:25 9/19/20 7:20 1.92 FL-150 high gas flow 9/20/20 2:46 9/20/20 3:41 0.92 FL-100 high gas flow 9/20/20 2:46 9/20/20 3:50 1.07 FL-150 high gas flow 9/21/20 0:00 9/21/20 1:30 1.50 FL-100 high gas flow 9/21/20 0:15 9/21/20 8:05 7.83 FL-150 high gas flow 9/22/20 2:30 9/22/20 12:59 10.48 FL-100 high gas flow 9/22/20 2:31 9/22/20 7:02 4.52 FL-150 high gas flow 9/22/20 12:56 9/22/20 16:12 3.27 FL-150 flame failure 9/23/20 2:30 9/23/20 2:55 0.42 FL-100 high gas flow 9/23/20 2:31 9/23/20 2:52 0.35 FL-150 high gas flow 9/24/20 11:36 9/24/20 12:09 0.55 FL-150 flame failure 10/5/20 8:08 10/5/20 8:17 0.15 FL-150 low stack temperature 10/7/20 22:06 10/7/20 22:43 0.62 FL-150 flame failure 10/13/20 0:58 10/13/20 1:38 0.67 FL-150 low stack temperature 10/15/20 5:12 10/15/20 5:53 0.68 FL-150 low stack temperature 11/9/20 5:44 11/9/20 6:01 0.28 FL-100 high gas flow 11/9/20 6:15 11/9/20 6:32 0.28 FL-100 high gas flow 11/9/20 6:17 11/9/20 6:22 0.08 FL-150 high gas flow 11/10/20 2:42 11/9/20 4:15 1.55 FL-100 high gas flow 11/10/20 2:44 11/10/20 3:57 1.22 FL-150 high gas flow 11/20/20 11:28 11/20/20 11:56 0.47 FL-100 loss of power 11/20/20 11:28 11/20/20 11:49 0.35 FL-150 loss of power 11/30/20 23:57 12/1/20 0:17 0.33 FL-150 high gas flow 12/24/20 11:42 12/24/20 14:04 2.37 FL-100 liquids backing up in knockout

Cause for Malfunction

12/24/20 11:43 12/24/20 14:30 2.78 FL-150 liquids backing up in knockout Note: Please note that the majority of flare malfunctions due to stack temperature and gas flow were a result of Ameresco power plant operation, which is not in common control with CCL. Unless otherwise noted, all malfunctions resulted in a shutdown and subsequent startup of the flare system. Pending means offline as of end of reporting period.

Table 10. Summary of GCCS Startup/Shutdown Events

Cause for Startup/Shutdown and Corrective Actions Taken

8/14/18 Pending Pending H-48 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

11/12/18 7/2/20 14,352.00 CV-95 temporarily decommissioned due to filling operations

11/12/18 7/2/20 14,352.00 CV-57R temporarily decommissioned due to filling operations

5/10/19 12/31/20 14,424.00 H-1551A temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

5/29/19 12/17/20 13,632.00 H-42 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

8/12/19 9/23/20 9,792.00 H-51A temporarily decommissioned due to filling operations

11/11/19 7/16/20 5,952.00 CV-1906 temporarily decommissioned due to filling operations

11/11/19 7/16/20 5,952.00 H-1771N temporarily decommissioned due to filling operations

11/21/19 7/21/20 5,832.00 H-1804B temporarily decommissioned due to filling operations

12/24/19 Pending Pending H-1552B temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

1/21/20 12/17/20 7,944.00 CV-1902D temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

1/22/20 10/14/20 6,384.00 H-1756S temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

1/30/20 8/21/20 4,896.00 D-11 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

2/6/20 Pending Pending C-21 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

2/26/20 Pending Pending H-1751S temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

4/14/20 Pending Pending CV-1605 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

4/16/20 7/17/20 2,208.00 CV-82 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

4/28/20 Pending Pending H-1562S temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

4/28/20 Pending Pending H-1408C temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

5/1/20 Pending Pending H-06 (EXP-06) temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

5/4/20 Pending Pending C-14 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

5/4/20 7/13/20 1,680.00 CV-32D temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

5/4/20 8/11/20 2,376.00 H-1407C temporarily decommissioned due to filling operations

5/6/20 7/23/20 1,872.00 H-24 (EXP-24) temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

5/29/20 7/23/20 1,320.00 H-16 (EXP-16) temporarily decommissioned due to liquids

6/9/20 7/3/20 567.00 H-1572N temporarily decommissioned due to lateral damage

6/9/20 7/3/20 576.00 H-1802S temporarily decommissioned due to lateral damage

6/9/20 7/23/20 1,056.00 H-28 temporarily decommissioned due to damage from filling operations

6/16/20 Pending Pending P-65 temporarily decommissioned for access to stockpile

NA 7/1/20 NA New well H-1767N put in service NA 7/2/20 NA New well H-1957B put in service

7/9/20 Pending Pending H-2051W temporarily decommissioned due to filling operations

7/24/20 Pending Pending TC-1961C temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

7/24/20 9/25/20 1,512.00 TC-1961E temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

8/11/20 11/18/20 2,376.00 CV-108-52 temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

8/12/20 Pending Pending CV-84D temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

8/12/20 Pending Pending CV-89 temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

NA 8/13/20 NA New well H-2054E put in service

NA 8/14/20 NA New well H-2054W put in service

8/14/20 Pending Pending H-16 (EXP-16) temporarily decommissioned due to being watered in

8/17/20 Pending Pending CV-82 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

NA 8/19/20 NA New well H-2053E put in service

8/19/20 Pending Pending P-60R temporarily decommissioned for access to stockpile

8/20/20 9/24/20 840.00 H-1570S temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

8/21/20 Pending Pending D-09 temporarily decommissioned due to filling operations

NA 8/21/20 NA New well SC-2000E put in service

8/26/20 10/5/20 960.00 H-1960 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

NA 8/26/20 NA New well H-2055W put in service

8/31/20 10/2/20 768.00 P-76 temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

NA 9/11/20 NA New well CV-2008 put in service NA 9/11/20 NA New well CV-2009 put in service NA 9/13/20 NA New well H-2053W put in service NA 9/14/20 NA New well CV-2010 put in service

NA 9/15/20 NA New well CV-2011 put in service NA 9/18/20 NA New well CV-2012 put in service

9/18/20 NA NA H-1406E abandoned due to damaged casing NA 9/21/20 NA New well CV-2007 put in service NA 9/22/20 NA New well CV-2001 put in service NA 9/24/20 NA New well CV-2002 put in service

9/24/20 Pending Pending H-1967W temporarily decommissioned due to filling operations

NA 9/25/20 NA New well CV-2004 put in service NA 9/28/20 NA New well CV-2003 put in service NA 9/29/20 NA New well CV-2006 put in service

10/19/20 12/22/20 1,536.00 D-11 temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

11/6/20 Pending Pending H-1409S temporarily decommissioned due to filling operations

11/10/20 Pending Pending H-15 (EXP-15) temporarily decommissioned due to liquids

11/16/20 Pending Pending CV-90 temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

NA 11/17/20 NA New well H-2050E put in service NA 11/17/20 NA New well H-2050W put in service

11/19/20 Pending Pending P-67R temporarily decommissioned for access to stockpile

NA 11/20/20 NA New well H-2055E put in service NA 11/25/20 NA New well H-2052E put in service NA 11/25/20 NA New well H-2057E put in service NA 11/25/20 NA New well SC-2001W put in service

11/25/20 Pending Pending H-1401E temporarily decommissioned due to filling operations

11/25/20 Pending Pending SC-2000E temporarily decommissioned due to filling operations

12/10/20 Pending Pending C-31A temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

12/15/20 12/30/20 360.00 H-1570N temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

12/15/20 Pending Pending H-50 temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

12/17/20 Pending Pending TC-1959S temporarily decommissioned due to high oxygen, concern for potential subsurface oxidation

12/18/20 Pending Pending H-1958S temporarily decommissioned due to poor gas quality, concern for potential subsurface oxidation

12/31/20 NA NA H-1551A abandoned due to damaged casing *Pending indicates the wells have not started-up as of the end of reporting period. NA means Not Applicable. There were no malfunctions of the GCCS during the reporting period. Each of the above well downtime events were planned.

Appendix A

GCCS Site Map

Appendix B

Startup, Shutdown and Malfunction Forms

EVENT CODES FOR STARTUP , SHUTDOWN AND MALFUNCTION EVENTS

For Startups and Shutdowns: Startup: The setting in operation of an affected source or portion of an affected source for any purpose.

Shutdown: The cessation of operation of an affected source or portion of any source for any purpose.

Code Event

1 Maintenance

2 Suspected Collection System Malfunction

3 Suspected Control Device Malfunction

4 Suspected Continuous Monitoring System Malfunction

5 Training

6 Gas System Construction/Expansion

99 Other

Malfunction: Any sudden, infrequent and not reasonably preventable failure of air pollution control equipment, process equipment, or a process to operate in a normal or usual manner. Failures that are caused in part by poor maintenance or careless operation are not malfunctions.

For Malfunctions:

10 Automatic shutdown of control device by designed protective systems

11 Autodialer callout

12 Shutdown alarm that result in the device not shutting down

13 Unalarmed shutdown

14 Control Device Smoking

15 Inspection identified malfunction

16 Loss of power – utility down

17 Loss of power – unknown

18 Damaged Well, Header, or Lateral Piping

19 Leaks at wellheads, valves, flanges, test ports, seals

20 Condensate Knock-out

21 Collection Piping Blockages

22 Problems due to Settlement

23 Loss of phase

24 Blower overload condition

25 Blower bearing failure

26 Broken belts (if belt-drive) or broken coupling (if direct-drive) in blower

27 Continuous Monitoring System Malfunction – Thermocouple

28 Continuous Monitoring System Malfunction – UV Scanner

29 Continuous Monitoring System Malfunction – Flow Monitor

30 Continuous Monitoring System Malfunction – Flow Recorder

31 Continuous Monitoring System Malfunction – Temperature Recorder

32 Act of God (i.e., lightening, wind, etc.)

99 Other

Flare/Monitoring Equipment

Startup/Shutdown Forms

CHIQUITA CANYON LANDFILL

Startup/Shutdown/Malfunction Report

Section 1 - All Events

Type of Event Military Time Date/Time Start Date/Time End Duration (hours)

Event Code (see back of form)

SOP Followed? Yes NO

Startup

Shutdown

Malfunction

07/06/20 11:53 1.45 1, 99 X

07/06/20 10:26

Complete Section 2 Below

Date form Filled out: 04 Aug 2020 Signature: R.Ontiveros Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Section 2 – Malfunction Events Only

Check one of the following for each step Step Corrective Action Procedures for All Malfunctions Procedure

Completed Procedure Not

Applicable

1. Determine if landfill gas is being released to the air (can you smell landfill gas, or measure/detect gas flow?)

2. If landfill gas is being released to the air, notify personnel on “Contact List”.

3. Determine if the malfunction is causing an unsafe operating condition (air entering landfill or piping, smoking, vibration or other problem), which may harm people, the environment or the landfill gas control equipment.

4. If unsafe operating condition exist, or landfill gas is being released to the air, stop landfill gas flow (if possible).

5. If control device or other system component is shutdown, follow Shutdown SOP and complete Section 1 – “Shutdown”.

6. Determine if other personnel/resource (qualified technician, electrician, consultant or other) are needed for malfunction diagnosis.

7. If additional personnel needed, notify qualified personnel: a. Record contact name, date and time: ____________________b. Contact site representative with information recorded in #7a.

8. Start malfunction diagnosis.

9. Determine if other resources are needed to fix the malfunction (qualified technician, electrician, contractor, on-site resources, manufacturer’s representative, or other).

10. If additional resources needed, contact qualified resources: a. Record contact name, date and time:____________________b. Contact site representative with information recorded in #10a.

11. Fix the malfunction.

12. Once the malfunction is fixed, re-start the system per SOP if it had been shut down, and record start-up times and dates in boxes in Section 1 of this form.

13. Record date that malfunction occurred, date that malfunction was repaired, and total time that system was out of service in boxes in Section 1 of this form.

14. Sign this form and place it in the Start-up, Shutdown and Malfunction file.

15. If the procedures listed above were not followed, notify personnel on “Contact List”.

EVENT CODES

JJK JJK

For Start-ups and Shutdowns:

Startup: The setting in operation of an affected source or portion of an affected source for any purpose.

Code Event

1 Maintenance Monthly Alarm Testing Component Insp./Clean/Test Component Repair/Replace

2 Suspected Collection System Malfunction 3 Suspected Control Device Malfunction 4 Suspected Continuous Monitoring System Malfunction ( Temp/ Flow/ Other) 5 Training 6 Gas System Construction/Expansion 7 Treatment System Maintenance 8 Flare Component on Stand By

99 Other (Describe) Manual shutdown so Franks can calibrate louvers

For Malfunction: ______________________________________________________________________ Malfunction: Any sudden, infrequent and not reasonably preventable failure of air pollution control equipment, process equipment, or process to operate in a normal or usual manner. Failures that are caused in part by poor maintenance or careless operation are not malfunctions.

10 Automatic shutdown of control device by designed protective systems Flame Failure High Stack Temp Low Stack Temp High Gas Flow

11 Auto Dialer Callout 12 Shutdown alarms that result in the device not shutting down 13 Unalarmed shutdown 14 Control Device Smoking

15 Inspection Identified malfunction _____________________________

16 Loss of power – utility down 17 Loss of power – unknown 18 Damaged Well, header or Lateral Piping 19 Leaks at wellheads, valves, flanges, test ports, seals, couplings, etc. 20 Condensate Knock-out Problems 21 Collection Piping Blockages 22 Problems due to Settlement 23 Loss of phase 24 Blower overload condition 25 Blower bearing failure 26 Broken belt (if belt-drive) or broken coupling (if direct-drive) in blower 27 Continuous Monitoring System Malfunction – Thermocouple 28 Continuous Monitoring System Malfunction – UV Scanner 29 Continuous Monitoring System Malfunction – Flow Monitor 30 Continuous Monitoring System Malfunction – Flow Recorder 31 Continuous Monitoring System Malfunction – Temperature Recorder

32 Act of God (i.e., lighting, wind, etc.) ____________________________

33 LFGTE Interruption.

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

07/08/20 13:42 1.52 1, 99 X

07/08/20 12:11

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe) Manual shutdown for flare maintenance before pre-source test

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

07/30/20 12:29 0.60 1 X

07/30/20 11:53

Date form Filled out: 04 Aug 2020 Signature: R.ontiveros Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe) ____________________________________________________________________

For Malfunction:______________________________________________________________________ Malfunction: Any sudden, infrequent and not reasonably preventable failure of air pollution control equipment, process equipment, or process to operate in a normal or usual manner. Failures that are caused in part by poor maintenance or careless operation are not malfunctions.

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

07/30/20 11:47 0.65 1 X

07/30/20 11:08

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

07/30/20 11:02 0.10 1 X

07/30/20 10:56

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe)

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

07/30/20 10:46 0.10 1 X

07/30/20 10:40

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe)

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

07/31/20 13:00 3.02 1 X

07/31/20 09:59

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

FL150 / FL100

Type of Event Military Time Date/Time Start Date/Time End

Duration (hours)

Startup

Shutdown

Malfunction

8/13/20 10:43

8/13/20 13:56 3.22 1, 99

Date form Filled out: 9/4/2020 Signature: Chris Fear

Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

7. If additional personnel needed, notify qualified personnel: a. Record contact name, date and time: ____________________ b. Contact site representative with information recorded in #7a.

10. If additional resources needed, contact qualified resources: a. Record contact name, date and time:____________________ b. Contact site representative with information recorded in #10a.

14. Sign this form and place it in the Start-up, Shutdown, Malfunction file.

EVENT CODES

Code Event

99 Other (Describe) Manual SD on FL-150 for flame arrestor element cleaning and flare alarm test.

15 Inspection Identified malfunction

32 Act of God (i.e., lighting, wind, etc.)

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/17/20 10:50

8/17/20 13:14 2.40 1, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) FL-150 manual shutdown for LFG blower 106/107 preventative maintenance.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/17/20 10:50

8/17/20 13:06

2.27 1, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manual shutdown of FL-100 for LFG blower 106/107 preventative maintenance.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/28/20 10:25

8/28/20 11:21 0.93 1, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manual shutdown on FL-150 for flame arrestor element replacement.

99 Other (Describe)

Duration (hours)

Startup

Shutdown

Malfunction

09/01/20 15:00

09/01/20 13:01

Date form Filled out: 10/07/20______________ Signature: R.Ontiveros__________________

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/01/20 17:23 0.70 1 X

09/01/20 16:41

Date form Filled out: 10/07/20______________ Signature: R.Ontiveros__________________ Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/03/20 11:12

10, 99

09/03/20 10:32

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown for bower 107 maintenance

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/03/20 11:40 0..37 1 X

09/03/20 11:18

Applicable

EVENT CODES

Code Event

99 Other (Describe):

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/04/20 07:21

09/03/20 19:15

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown due to block valve issues and install flame arrestor

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/05/20 07:40

09/04/20 23:43

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown due to block valve issues

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/06/20 09:59 11.27 99 X

09/05/20 22:43

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/07/20 12:04 14.43 99 X

09/06/20 21:43

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/08/20 7:47 12.08 99 X

09/07/20 19:42

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/09/20 08:43 19.85 99 X

09/08/20 12:58

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/10/20 07:38 13.32 1, 99 X

09/09/20 18:19

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown due to block valve issues and install flame arrestor

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/11/20 06:36 10.65 99 X

09/10/20 19:57

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown due to block valve issues.

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/12/20 7:16 10.90 99 X

09/11/20 20:22

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/13/20 7:13 17.92 99 X

09/12/20 13:25

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/14/20 08:01 13.63 99 X

09/13/20 18:23

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/15/20 07:44 11.42 99 X

09/14/20 20:19

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/16/20 07:45 11.92 99 X

09/15/20 20:00

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/17/20 08:11

09/16/20 19:09

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/18/20 06:21 11.80 99 X

09/17/20 18:33

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/18/20 15:30 1.58 1, 99 X

09/18/20 13:55

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown to install actuator valve

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/23/20 14:10 1.22 1, 99 X

09/23/20 12:57

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown for flow meter maintenance

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/29/20 10:40

09/29/20 10:15

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown to switch to generator power for the quarterly generator load test

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/29/20 14:10

09/29/20 13:46

Applicable

EVENT CODES

Code Event

99 Other (Describe): Manual shutdown to switch back to utility power

99 Other (Describe) ____________________________________________

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/1/2020 13:07

9/1/2020 15:09 2.03 1, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manually shutdown FL-150 for FIS to replace louvre motor on louvre position 1.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/3/2020 10:31

9/3/2020 11:49 1.30 1, 2, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manually shutdown FL-150 due to Blower 107 motor input shaft coupling failure. Made repair to input shaft coupling, then restarted flares.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/23/2020 13:42

9/23/2020 14:16 0.57 1, 4, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Shutdown FL-150 to turn off power to PLC to swap out flow meter on FL-100 due to suspected flow monitoring component malfunction.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/29/2020 10:15

9/29/2020 10:32 0.28 1, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manually shutdown FL-150 to switch from utility power to generator power to load test generator at flare station.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/29/2020 13:46

9/29/2020 14:00 0.23 1, 99 Yes

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manually shutdown FL-150 to switch from generator power back to utility power due to quarterly load testing of generator at flare station.

99 Other (Describe)

FL150 / FL100

Startup

Shutdown

Malfunction

10/30/2020 11:26

0.75 1, 99 Yes

10/30/2020 10:41

Applicable

EVENT CODES

Code Event

99 Other (Describe) Performed alarm testing on FL-100.

99 Other (Describe)

FL150 / FL100

Startup

Shutdown

Malfunction

10/30/2020 12:04

0.52 1, 99 Yes

10/30/2020 11:33

Date form Filled out: 11/5/2020 Signature: Chris Fear Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

Code Event

99 Other (Describe) FL-150 shutdown due to monthly alarm testing.

99 Other (Describe)

Duration (hours)

Startup

Shutdown

Malfunction

11/30/20 13:15 11/30/20 13:44

11/3020 12:06 11/30/20 13:22

Date form Filled out: __________________________ Signature: _________________________

Applicable

14. Sign this form and place it in the Start-up, Shutdown, and Malfunction file.

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

11/30/20 12:12 0.18 1 Y

11/30/20 12:01

Date form Filled out: __________________________ Signature: _________________________ Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

11/30/20 11:52 0.38 1 Y

11/30/20 11:29

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/9/2020 14:49 33.27 1, 99 Yes

12/8/2020 05:33

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manually shutdown FL-100 to perform flare deep cleaning and maintenance

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/10/2020 11:06

2.35 1, 99 Yes

12/10/2020 8:45

Applicable

EVENT CODES

Code Event

99 Other (Describe) Manually shutdown FL-100 to inspect burner component and replace insulation sleeve on burner thermocouple.

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/31/2020 11:09

1.02 1, 99 Yes

12/31/2020 10:08

Applicable

EVENT CODES

Code Event

99 Other (Describe) FL-100 manually shutdown for monthly flare alarm testing

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/31/2020 11:22

0.78 1, 99 Yes

12/31/2020 10:35

Applicable

EVENT CODES

Code Event

99 Other (Describe) FL-150 manually shutdown for monthly alarm testing

99 Other (Describe)

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/31/2020 11:36

0.08 1, 99 Yes

12/31/2020 11:31

Applicable

EVENT CODES

Code Event

99 Other (Describe) FL-150 manually shutdown for monthly alarm testing

99 Other (Describe)

Flare/Monitoring Equipment

Malfunction Forms

Startup

Shutdown

Malfunction

07/05/20 11:15 07/05/20 11:46 0.52 10, 99 Complete Section 2 Below

Date form Filled out: 04 Aug 2020 Signature: R. Ontiveros Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

JJK JJK

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) Pilot Failure

Startup

Shutdown

Malfunction

07/15/20 22:31 07/15/20 23:18 0.78 10, 99 Complete Section 2 Below

Date form Filled out: 04 Aug 2020 Signature: R. Ontiveros Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

JJKJJK

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) Low temp shutdown when Ameresco shutdown

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/18/20 8:56

8/18/20 9:34 0.63 10, 99 Complete Section 2 Below

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-100 shut down due to high LFG flow.

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/18/20 9:12

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-150 shutdown due to high LFG flow.

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/22/20 23:13

8/24/20 10:28 35.25 10, 15, 99 Complete Section 2 Below

Applicable

10. If additional resources needed, contact qualified resources: a. Record contact name, date and time: FIS 8/24/2020_7:00 AM__ b. Contact site representative with information recorded in #10a.

EVENT CODES

Code Event

99 Other (Describe)

15 Inspection Identified malfunction Pilot assembly malfunction preventing restart.

99 Other (Describe) FL-100 Automatic restart resulted in pilot failure. Pilot assembly failure resulted in inability to restart until repaired.

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

8/24/20 10:36

8/24/20 10:55 0.32 10, 99

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-100 low temperature shutdown.

Startup

Shutdown

Malfunction

09/01/20 15:50 09/01/20 16:16 0.43 10 Complete Section 2 Below

Date form Filled out: 10/07/20__________________ Signature: R.Ontiveros_________________ Standard Operating Procedure (SOP) for Flare Startups (Manual & Automatic) and Shutdowns are provided in SSM Plan. If SOP in SSM Plan was not followed notify personnel on “Contact List”

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

09/02/20 14:50 09/02/20 09:06 18:27 10 Complete Section 2 Below

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/19/20 05:25

09/19/20 07:01

Date form Filled out: 10/07/20__________________ Signature: R.Ontiveros_________________

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/20/20 2:46

09/20/20 03:41

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/21/20 0:00

09/21/20 01:30

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/1/2020 16:43

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-150 shutdown due to high stack temperature caused by inrush of flow due to FL-100 shutdown.

Duration (hours)

Startup

Shutdown

Malfunction

09/06/20 09:43

09/06/20 10:26

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/08/20 19:12

09/08/20 19:43

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/19/20 05:25

09/19/20 07:20

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/20/20 02:46

09/20/20 03:50

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/21/20 0:15

09/21/20 08:05

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

09/22/20 02:31

09/22/20 07:02

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/22/2020 12:56

9/22/2020 16:12

3.27 10, 99 Complete Section 2 Below

Date form Filled out: Chris Fear Signature: 10/6/2020

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-150 shutdown due to loss of flame signal on Iris fire-eye.

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

9/23/2020 02:31

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-150 shutdown due to high flow caused by inrush of flow from FL-100 shutdown.

Duration (hours)

Startup

Shutdown

Malfunction

09/24/20 11:36

09/24/20 12:09

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

FL150 / FL100

Startup

Shutdown

Malfunction 10/5/2020 8:08 10/5/2020 8:17 0.15 10, 99 Complete Section 2 Below

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) Low temperature shutdown on FL-150 due to temperature controller having issues adjusting temperature properly.

FL150 / FL100

Startup

Shutdown

Malfunction 10/7/2020 22:06 10/7/2020 22:43 0.62 10, 99 Complete Section 2 Below

Applicable

EVENT CODES

Code Event

99 Other (Describe)

16 Loss of power – utility down 17 Loss of power – unknown 18 Damaged Well, header or Lateral Piping 19 Leaks at wellheads, valves, flanges, test ports, seals, couplings, etc.

20 Condensate Knock-out Problems 21 Collection Piping Blockages 22 Problems due to Settlement 23 Loss of phase 24 Blower overload condition 25 Blower bearing failure 26 Broken belt (if belt-drive) or broken coupling (if direct-drive) in blower 27 Continuous Monitoring System Malfunction – Thermocouple 28 Continuous Monitoring System Malfunction – UV Scanner 29 Continuous Monitoring System Malfunction – Flow Monitor 30 Continuous Monitoring System Malfunction – Flow Recorder 31 Continuous Monitoring System Malfunction – Temperature Recorder

99 Other (Describe) FL-150 shutdown due to flame-failure.

FL150 / FL100

Startup

Shutdown

Malfunction 10/13/2020 00:58 10/13/2020 01:38

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) Shutdown due to low temperature on FL-150 caused by shutdown at Ameresco plant as temperature controller couldn’t adjust quick enough with higher flow rate.

FL150 / FL100

Startup

Shutdown

Malfunction 10/15/2020 05:12 10/15/2020 05:53

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-150 shutdown due to low temperature caused by Ameresco plant shutdown sending more flow to flare station, FL-150 temperature controller couldn’t stabilize temperature at higher flow quickly enough.

Duration (hours)

Startup

Shutdown

Malfunction

11/09/20 5:44

11/09/20 06:01

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

11/10/20 02:42

11/09/20 04:15

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

11/20/20 11:28

11/020/20 11:56

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Startup

Shutdown

Malfunction

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

Duration (hours)

Startup

Shutdown

Malfunction

11/30/20 23:57

12/01/20 00:17

Applicable

EVENT CODES

Code Event

99 Other (Describe) ____________________________________________________________________

99 Other (Describe) ____________________________________________

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/24/2020 11:42

12/24/2020 14:04

2.37 10, 20, 99 Complete Section 2 Below

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-100 shutdown due to liquids backing up in knockout.

FL150 / FL100

Duration (hours)

Startup

Shutdown

Malfunction

12/24/2020 11:43

12/24/2020 14:30

2.78 10, 20, 99 Complete Section 2 Below

Applicable

EVENT CODES

Code Event

99 Other (Describe)

99 Other (Describe) FL-150 shutdown due to liquids backing up in knockout.

GCCS SSM Log

Chiquita Canyon Landfill Extraction Well Shutdown/Startup Log

WELL ID SHUTDOWN DATE REASON STARTUP DATE DURATION (DAYS) DURATION (HOURS)DID STARTUP/SHUTDOWNVARY FROM PROCEDURE

IN SSM PLAN (Y OR N) C-14 5/4/2020 Temp decom due to high O2 Pending N/A N/A NC-21 2/6/2020 Temp decom due to high O2 Pending N/A N/A N

C-31A 12/10/2020 Temp Decom due to high O2 Pending N/A N/A NCV-108-52 8/11/2020 Temp Decom Poor Gas Quality 11/18/2020 99 2,376.00 NCV-1605 4/14/2020 Temp decom due to high O2 Pending N/A N/A N

CV-1902D 1/21/2020 Temp Offline due to poor gas quality 12/17/2020 331 7,944.00 NCV-1906 11/11/2019 Temp Offline due to filling operations 7/16/2020 248 5,952.00 NCV-2001 N/A New Well put in service 9/22/2020 N/A N/A NCV-2002 N/A New Well put in service 9/24/2020 N/A N/A NCV-2003 N/A New Well put in service 9/28/2020 N/A N/A NCV-2004 N/A New Well put in service 9/25/2020 N/A N/A NCV-2006 N/A New Well put in service 9/29/2020 N/A N/A NCV-2007 N/A New Well put in service 9/21/2020 N/A N/A NCV-2008 N/A New Well put in service 9/11/2020 N/A N/A NCV-2009 N/A New Well put in service 9/11/2020 N/A N/A NCV-2010 N/A New Well put in service 9/14/2020 N/A N/A NCV-2011 N/A New Well put in service 9/15/2020 N/A N/A NCV-2012 N/A New Well put in service 9/18/2020 N/A N/A NCV-32D 5/4/2020 Temp decom due to high O2 and poor gas quality, well pinched 7/13/2020 70 1,680.00 NCV-57R 11/12/2018 Temp Offline due to filling operations 7/2/2020 598 14,352.00 NCV-82 4/16/2020 Temp decom due to high O2 7/17/2020 92 2,208.00 NCV-82 8/17/2020 Temp decom due to high O2 Pending N/A N/A N

CV-84D 8/12/2020 Temp Decom Poor Gas Quality Pending N/A N/A NCV-89 8/12/2020 Temp Decom Poor Gas Quality Pending N/A N/A NCV-90 11/16/2020 Temp decom due to poor gas quality/high O2 Pending N/A N/A NCV-95 11/12/2018 Temp Offline due to filling operations 7/2/2020 598 14,352.00 ND-09 8/21/2020 Temp Offline due to filling operations Pending N/A N/A ND-11 1/30/2020 Temp decom due to high O2 8/21/2020 204 4,896.00 ND-11 10/19/2020 Temp decom due to high O2 12/22/2020 64 1,536.00 N

H-06 (EXP-06) 5/1/2020 Temp Decom due to high O2 and watered in Pending N/A N/A NH-15 (EXP-15) 11/10/2020 Temp decom due to liquids Pending N/A N/A NH-16 (EXP-16) 5/29/2020 Temp decom due to liquids 7/23/2020 55 1,320.00 NH-16 (EXP-16) 8/14/2020 Watered-in, well cannot be read Pending N/A N/A NH-24 (EXP-24) 5/6/2020 Temp decom due to high O2 7/23/2020 78 1,872.00 N

H-1401E 11/25/2020 Temp Offline due to filling operations Pending N/A N/A NH-1406E 9/18/2020 abandoned - damaged casing at 20' bgs N/A N/A N/A NH-1407C 5/4/2020 Temp Offline due to filling operations 8/11/2020 99 2,376.00 NH-1408C 4/28/2020 Temp decom due to high O2 Pending N/A N/A NH-1409S 11/6/2020 Temp Offline due to filling operations Pending N/A N/A NH-1551A 5/10/2019 Temp decom due to high O2 12/31/2020 601 14,424.00 NH-1551A 12/31/2020 Abandoned due to high O2 N/A N/A N/A NH-1552B 12/24/2019 Temp decom due to high O2 Pending N/A N/A NH-1562S 4/28/2020 Temp decom due to high O2 Pending N/A N/A NH-1570N 12/15/2020 Temp Decom due to high O2 12/30/2020 15 360.00 NH-1570S 8/20/2020 Temp Decom due to high O2 9/24/2020 35 840.00 NH-1570S 10/29/2020 Temp Decom due to high O2 Pending N/A N/A NH-1572N 6/9/2020 Temp Offlline due to lateral damage 7/3/2020 24 576.00 NH-1751S 2/26/2020 Temp decom due to poor gas quality Pending N/A N/A NH-1756S 1/22/2020 Temp Offline due to high O2 10/14/2020 266 6,384.00 NH-1765S 7/13/2020 Temp decom due to high O2 Pending N/A N/A NH-1767N N/A New Well put in service 7/1/2020 N/A N/A NH-1768S 8/26/2020 Temp decom due to high O2 Pending N/A N/A NH-1771N 11/11/2019 Temp Offline due to filling operations 7/16/2020 248 5,952.00 NH-1774N 1/16/2020 Temp Offline due to filling operations 7/29/2020 195 4,680.00 NH-1802N 3/18/2020 Temp Offline due to filling operations 7/9/2020 113 2,712.00 NH-1802S 6/9/2020 Temp Offline due to lateral damage 7/3/2020 24 576.00 NH-1804B 11/21/2019 Temp Offline due to filling operations 7/21/2020 243 5,832.00 NH-1955S 12/15/2020 Temp decom due to high O2 Pending N/A N/A NH-1957B N/A New Well Put in service 7/2/2020 N/A N/A NH-1958S 12/18/2020 Temp Decom due to poor gas quality/high temp Pending N/A N/A NH-1960 8/26/2020 Temp Decom due to High O2 10/5/2020 40 960.00 N

H-1967W 9/24/2020 Temp Offline due to filling operations Pending N/A N/A NH-2050E N/A New Well Put in service 11/17/2020 N/A N/A NH-2050W N/A New Well Put in service 11/17/2020 N/A N/A NH-2051W 7/9/2020 Temp Offline due to filling operations Pending N/A N/A NH-2052E N/A New Well Put in service 11/25/2020 N/A N/A NH-2053E N/A New Well Put in service 8/19/2020 N/A N/A NH-2053W N/A New Well Put in service 9/13/2020 N/A N/A NH-2054E N/A New Well Put in service 8/13/2020 N/A N/A NH-2054W N/A New Well Put in service 8/14/2020 N/A N/A NH-2055E N/A New Well Put in service 11/20/2020 N/A N/A NH-2055W N/A New Well Put in service 8/26/2020 N/A N/A NH-2057E N/A New Well Put in service 11/25/2020 N/A N/A N

H-27 12/11/2020 Temp Decom due to High O2 Pending N/A N/A NH-28 6/9/2020 Well damaged due to filling operations 7/23/2020 44 1,056.00 NH-29 7/1/2020 Temp Decom due to High O2 Pending N/A N/A NH-42 5/29/2019 Temp Decom due to high O2 12/17/2020 568 13,632.00 NH-48 8/14/2018 Decom due to high O2, dead headed, no flow Pending N/A N/A NH-50 12/15/2020 Temp decom due to poor gas quality Pending N/A N/A N

H-51A 8/12/2019 Decom due to high O2 9/23/2020 408 9,792.00 NH-59 12/2/2020 Temp decom due to high O2 Pending N/A N/A NH-68 11/13/2019 Temp Decom due to High O2 Pending N/A N/A NP-59 8/19/2020 Temp Offline for access to the stockpile Pending N/A N/A N

P-60R 8/19/2020 Temp Offline for access to the stockpile Pending N/A N/A NP-65 6/16/2020 Temp Offline for access to the stockpile Pending N/A N/A NP-66 8/12/2020 Temp Offline for access to the stockpile Pending N/A N/A N

P-67R 11/19/2020 Temp Offline for access to the stockpile Pending N/A N/A NP-75 9/14/2020 Temp Offline for access to the stockpile Pending N/A N/A NP-76 8/31/2020 Temp Decom - SSO 10/2/2020 32 768.00 N

SC-2000E N/A New Well put in service 8/21/2020 N/A N/A NSC-2000E 11/25/2020 Temp Offline due to dirt filling operations Pending N/A N/A NSC-2001W N/A New Well put in service 11/25/2020 N/A N/A NTC-1959S 12/17/2020 Temp Decom due to high O2 Pending N/A N/A NTC-1961C 7/24/2020 Decom due to high O2 - Riser not needed as coverage from TC-1961W Pending N/A N/A NTC-1961E 7/24/2020 Decom due to poor gas quality 9/25/2020 63 1,512.00 N

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