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Proposed Airborne Toxic Control Measure toReduce Diesel Particulate Matter Emissions

from Stationary Diesel-FueledCompression Ignition Engines

Proposed Airborne Toxic Control Measure toProposed Airborne Toxic Control Measure toReduce Diesel Particulate Matter EmissionsReduce Diesel Particulate Matter Emissions

from Stationary Diesel-Fueledfrom Stationary Diesel-FueledCompression Ignition EnginesCompression Ignition Engines

California Environmental Protection Agency

Air Resources Board

November 20, 2003November 20, 2003

OverviewOverviewOverview

nn BackgroundBackgroundnn Proposed MeasureProposed Measurenn Environmental and EconomicEnvironmental and Economic

ImpactsImpactsnn Proposed 15-Day ChangesProposed 15-Day Changesnn Future ActivitiesFuture Activities

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Diesel PM is aToxic Air Contaminant

Diesel PM is aDiesel PM is aToxic Air ContaminantToxic Air Contaminant

nn Identified as TAC in 1998Identified as TAC in 1998nn Over 70% of ambient air toxics risk from diesel PMOver 70% of ambient air toxics risk from diesel PMnn Increased cancer riskIncreased cancer risknn May aggravate chronic respiratory symptoms andMay aggravate chronic respiratory symptoms and

asthmaasthmann Irritates eyes, nose, and lungsIrritates eyes, nose, and lungsnn Contributes to premature death in those with heartContributes to premature death in those with heart

and lung diseasesand lung diseasesnn Contributes to ambient levels of PM Contributes to ambient levels of PM 1010 and PM and PM 2.52.5

nn Comprehensive plan adopted September 2000Comprehensive plan adopted September 2000nn Three-prong approachThree-prong approach

uu Reduce Emissions fromReduce Emissions fromNew EnginesNew Engines

uu Clean-Up Existing EnginesClean-Up Existing Enginesuu Provide Low Sulfur FuelProvide Low Sulfur Fuel

(<15 ppm) to Enable(<15 ppm) to EnableAftertreatment TechnologyAftertreatment Technology

nn Included measures forIncluded measures forstationary enginesstationary engines

Diesel Risk Reduction Plan Identifies Strategyto Reduce Diesel PM Exposure in California

Diesel Risk Reduction Plan Identifies StrategyDiesel Risk Reduction Plan Identifies Strategyto Reduce Diesel PM Exposure in Californiato Reduce Diesel PM Exposure in California

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nn Emergency Standby ApplicationsEmergency Standby Applicationsuu Used to provide emergency power or pumpingUsed to provide emergency power or pumping

of water for fire protection or flood preventionof water for fire protection or flood preventionFF hospitals, schools, office buildings, retail businesses,hospitals, schools, office buildings, retail businesses,

prisons, water treatment facilitiesprisons, water treatment facilities

nn Average annual hours ofAverage annual hours ofoperation aroundoperation around30 hours per year for all uses30 hours per year for all uses

Stationary Engines are used in aWide Variety of Applications

Stationary Engines are used in aStationary Engines are used in aWide Variety of ApplicationsWide Variety of Applications

nn Prime ApplicationsPrime Applicationsuu Non-AgriculturalNon-Agricultural

uu generators, pumps,generators, pumps,rockcrushers, grinders,rockcrushers, grinders,cranes, and turbinecranes, and turbinestartersstarters

uu AgriculturalAgriculturaluu irrigation pumpsirrigation pumps

uu Annual hours of operation can rangeAnnual hours of operation can rangefrom less than 50 to over 5,000from less than 50 to over 5,000

Stationary Engines are used in aWide Variety of Applications

(continued)

Stationary Engines are used in aStationary Engines are used in aWide Variety of ApplicationsWide Variety of Applications

(continued)(continued)

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nn Emission estimates for year 2002Emission estimates for year 2002

n Contribute about 4%of the total diesel PM emissions from alldiesel engines

n Uncontrolled stationary diesel engine operating as little as 200hours per year can result in a potential significant cancer risk

Stationary Diesel Engines Are aSignificant Source of Emissions and Risk

Stationary Diesel Engines Are aStationary Diesel Engines Are aSignificant Source of Emissions and RiskSignificant Source of Emissions and Risk

Category Number ofEngines

Diesel PMEmissions(tons/day)

NOx Emissions(tons/day)

Prime Engines 6,600 2.3 34.9

Emergency StandbyEngines 19,700 0.3 6.4

TOTAL 26,300 2.6 41.3

Strategies Available to Reduce Diesel PMEmissions from Stationary

Diesel Engines

Strategies Available to Reduce Diesel PMStrategies Available to Reduce Diesel PMEmissions from StationaryEmissions from Stationary

Diesel EnginesDiesel Engines- CARB Diesel- Dual-Fuel- Alternative Diesel Fuels -Alternative Fuels

FUELS

- Reducing Hours of Operation

OPERATION TIME

CLEANER NEW ENGINE STANDARDS

- Tier 2, 3, and 4 Standards

- DPFs-DOCs

AFTER TREATMENTTECHNOLOGY

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nn Approximately 50 stationary diesel enginesApproximately 50 stationary diesel enginescurrently operating in California equippedcurrently operating in California equippedwith diesel PM emission control systemswith diesel PM emission control systems

nn CEC/ARB Demonstration ProjectCEC/ARB Demonstration Projectuu Demonstrate PM controls targeted to stationaryDemonstrate PM controls targeted to stationary

enginesengines

FF Diesel Particulate FiltersDiesel Particulate Filters

FF Diesel Oxidation CatalystsDiesel Oxidation Catalysts

Aftertreatment Technology Shown to be Effectivefor Stationary Diesel Engines

Aftertreatment Technology Shown to be EffectiveAftertreatment Technology Shown to be Effectivefor Stationary Diesel Enginesfor Stationary Diesel Engines

Proposed Airborne ToxicControl Measure

Proposed Airborne ToxicProposed Airborne ToxicControl MeasureControl Measure

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ATCM Development ProcessATCM Development ProcessATCM Development Process

nn Began process in 2001Began process in 2001

nn Held eight Public WorkshopsHeld eight Public Workshops

nn Coordination with CAPCOA Working GroupCoordination with CAPCOA Working Group

nn Ongoing consideration of verbalOngoing consideration of verbaland written commentsand written comments

nn CEC/ARB Control Equipment DemonstrationCEC/ARB Control Equipment Demonstration

nn Test Method WorkgroupTest Method Workgroup

Objectives in Developing theProposed ATCM

Objectives in Developing theObjectives in Developing theProposed ATCMProposed ATCM

nn Establish diesel PM emission standards or engineEstablish diesel PM emission standards or engineoperational limits that are based on the use of bestoperational limits that are based on the use of bestavailable diesel PM control technologies and lowest-available diesel PM control technologies and lowest-emitting diesel enginesemitting diesel engines

nn Consider contribution to overall ambient PM andConsider contribution to overall ambient PM andrisk levels, potential near source risk, and the costrisk levels, potential near source risk, and the costof controls when establishing emission standardsof controls when establishing emission standardsor operational limitsor operational limits

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Applicability of the Proposed ATCMApplicability of the Proposed ATCMApplicability of the Proposed ATCMnn Proposed ATCM addresses Proposed ATCM addresses

uu New engines less than or equal to 50 hpNew engines less than or equal to 50 hpuu New and In-Use Engines greater than 50 hpNew and In-Use Engines greater than 50 hp

nn “New” Engines are those installed after January“New” Engines are those installed after January1, 20051, 2005

nn “In-Use” Engines are those installed prior to“In-Use” Engines are those installed prior toJanuary 1, 2005January 1, 2005

nn Portable engines and in-use stationaryPortable engines and in-use stationaryagricultural engines will be addressed inagricultural engines will be addressed inseparate measuresseparate measures

In-Use Agricultural EnginesTo Be Addressed in 2004

In-Use Agricultural EnginesIn-Use Agricultural EnginesTo Be Addressed in 2004To Be Addressed in 2004

nn Working with the Agricultural Working GroupWorking with the Agricultural Working Groupto develop approaches for in-use enginesto develop approaches for in-use engines

nn Conducting feasibility study to evaluate theConducting feasibility study to evaluate theviability of electrificationviability of electrification

nn Work with Districts on SB 700 implementation Work with Districts on SB 700 implementation

nn Report back to the Board by mid-2004Report back to the Board by mid-2004

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What Does the Proposed ATCMRequire?

What Does the Proposed ATCMWhat Does the Proposed ATCMRequire?Require?

nn Emission Standards and OperatingEmission Standards and OperatingRequirementsRequirements

nn Fuel Use RequirementsFuel Use Requirementsnn Reporting RequirementsReporting Requirements

Emission Standards andOperating RequirementsEmission Standards andEmission Standards andOperating RequirementsOperating Requirements

nn New Engines Less Than or Equal to 50 hpNew Engines Less Than or Equal to 50 hp

nn New and In-Use Prime Engines GreaterNew and In-Use Prime Engines GreaterThan 50 hpThan 50 hp

nn New and In-Use Emergency StandbyNew and In-Use Emergency StandbyEngines Greater Than 50 hpEngines Greater Than 50 hp

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New Stationary Diesel Engines < 50 hp MustMeet Off-Road Standards

New Stationary Diesel Engines New Stationary Diesel Engines << 50 hp Must 50 hp MustMeet Off-Road StandardsMeet Off-Road Standards

nn Sellers of new stationary diesel engines ratedSellers of new stationary diesel engines ratedat less than or equal to 50 horsepower shallat less than or equal to 50 horsepower shallonly sell engines meeting the current Off-Roadonly sell engines meeting the current Off-RoadEngine Certification StandardsEngine Certification Standards

nn Requirement becomes effective onRequirement becomes effective onJanuary 1, 2005January 1, 2005

Prime Engines Greater Than50 hp

Prime Engines Greater ThanPrime Engines Greater Than50 hp50 hp

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Proposed Limits for New PrimeStationary Diesel Engines > 50 hp

Proposed Limits forProposed Limits for New PrimeNew PrimeStationary Diesel Engines > 50 hpStationary Diesel Engines > 50 hp

nn Diesel PM Emission Limit:Diesel PM Emission Limit:

uu < < 0.01 g/bhp-hr0.01 g/bhp-hr

nn NOx, HC, CO Limits:NOx, HC, CO Limits:FF Meet applicable Off-Road Engine CertificationMeet applicable Off-Road Engine Certification

StandardsStandards

nn Requirements become effective onRequirements become effective onJanuary 1, 2005January 1, 2005

Proposed Limits forNew Agricultural Engines > 50 hp

Proposed Limits forProposed Limits forNew New Agricultural Engines > 50 hpAgricultural Engines > 50 hp

nn Diesel PM Emission Limit:Diesel PM Emission Limit:

uu < < 0.15 g/bhp-hr0.15 g/bhp-hr

nn NOx, HC, CO Limits:NOx, HC, CO Limits:FF Meet applicable Off-Road Engine CertificationMeet applicable Off-Road Engine Certification

StandardsStandards

nn Requirements become effective onRequirements become effective onJanuary 1, 2005January 1, 2005

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In-Use Prime Stationary Diesel Engines > 50 hp Must Reduce PM emissions

by at Least 85%

In-Use PrimeIn-Use Prime Stationary Diesel Engines Stationary Diesel Engines > 50 hp Must Reduce PM emissions > 50 hp Must Reduce PM emissions

by at Least 85%by at Least 85%

nn Certified or Non-Certified EnginesCertified or Non-Certified Engines

uu Option 1:Option 1: 85% reduction of diesel PM from 85% reduction of diesel PM from baseline levelsbaseline levels

uu Option 2:Option 2: Diesel PM emission rate Diesel PM emission rate << 0.01 g/bhp-hr 0.01 g/bhp-hr

nn Non-Certified Engines, onlyNon-Certified Engines, only

uu Option 3:Option 3: 30% reduction of diesel PM by 30% reduction of diesel PM by January 1, 2006, and meetJanuary 1, 2006, and meet0.01 g/bhp-hr standard by July 1, 20110.01 g/bhp-hr standard by July 1, 2011

nn Cannot increase emissions of other pollutantsCannot increase emissions of other pollutants

nn Owners and operators of three or fewer enginesOwners and operators of three or fewer enginesmust be in compliance by the following dates,must be in compliance by the following dates,

uu Pre-1989 thru 1989 model year: January 1, 2006Pre-1989 thru 1989 model year: January 1, 2006uu 1990 thru 1995 model year: January 1, 20071990 thru 1995 model year: January 1, 2007uu 1996 model year and beyond: January 1, 20081996 model year and beyond: January 1, 2008

nn Owners and operators of four or more engines haveOwners and operators of four or more engines havecompliance phased in from 2006 through 2009compliance phased in from 2006 through 2009

Phased-in Compliance Schedule forPrime Engines

Phased-in Compliance Schedule forPhased-in Compliance Schedule forPrimePrime Engines Engines

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Emergency Standby EnginesEmergency Standby EnginesEmergency Standby Engines

nn Diesel PM standards are linked to hours ofDiesel PM standards are linked to hours ofoperation for maintenance and testingoperation for maintenance and testing

FF Must not emit diesel PM at a rate greater thanMust not emit diesel PM at a rate greater than0.15 g/bhp-hr0.15 g/bhp-hr

FF No more than 50 hours per year for maintenance andNo more than 50 hours per year for maintenance andtestingtesting

nn NOx, HC, CO:NOx, HC, CO:uu Must meet applicable Off-Road Engine CertificationMust meet applicable Off-Road Engine Certification

StandardsStandards

nn Requirements effective January 1, 2005Requirements effective January 1, 2005

Proposed Limits for New Emergency StandbyStationary Diesel Engines

Proposed Limits for Proposed Limits for New Emergency StandbyNew Emergency StandbyStationary Diesel EnginesStationary Diesel Engines

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nn Diesel PM standards are linked to annual hours ofDiesel PM standards are linked to annual hours ofoperation for maintenance and testingoperation for maintenance and testing

uu Engines with PM >0.40 g/bhp-hr limited to 20 hours/year forEngines with PM >0.40 g/bhp-hr limited to 20 hours/year formaintenance and testingmaintenance and testing

uu Engines with PM Engines with PM ≤≤0.40 g/bhp-hr limited to 30 hours/year for0.40 g/bhp-hr limited to 30 hours/year formaintenance and testingmaintenance and testing

nn Cannot increase emissions of other pollutantsCannot increase emissions of other pollutants

Proposed Limits for In-Use EmergencyStandby Stationary Diesel Engines > 50 hp

Proposed Limits for Proposed Limits for In-UseIn-Use EmergencyEmergencyStandbyStandby Stationary Diesel Engines > 50 hp Stationary Diesel Engines > 50 hp

nn If complying by limiting the current hours ofIf complying by limiting the current hours ofoperation, must be in compliance by January 1, 2005operation, must be in compliance by January 1, 2005

nn If retrofitting, owners and operators of three or fewerIf retrofitting, owners and operators of three or fewerengines must be in compliance by the followingengines must be in compliance by the followingdates,dates,

uu Pre-1989 thru 1989 model year: January 1, 2006Pre-1989 thru 1989 model year: January 1, 2006uu 1990 thru 1995 model year: January 1, 20071990 thru 1995 model year: January 1, 2007uu 1996 model year and beyond: January 1, 20081996 model year and beyond: January 1, 2008

nn If retrofitting, owners and operators of four or moreIf retrofitting, owners and operators of four or moreengines have compliance phased in from 2006engines have compliance phased in from 2006through 2009through 2009

Phased-In Compliance Schedule for In-Use Emergency Standby Stationary Diesel

Engines

Phased-In Compliance Schedule for Phased-In Compliance Schedule for In-UseIn-Use Emergency Standby Emergency Standby Stationary Diesel Stationary Diesel

EnginesEngines

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Fuel RequirementsFuel RequirementsFuel Requirements

nn By January 1, 2005, all stationary enginesBy January 1, 2005, all stationary enginesrequired to use either CARB Diesel, verifiedrequired to use either CARB Diesel, verifiedalternative diesel fuels, or alternative fuelalternative diesel fuels, or alternative fuel

Stationary Engines are Subjectto Fuel Requirements

Stationary Engines are SubjectStationary Engines are Subjectto Fuel Requirementsto Fuel Requirements

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Reporting RequirementsReporting RequirementsReporting Requirements

nn Initial Reporting RequirementsInitial Reporting Requirementsuu Provide information to improve inventory, andProvide information to improve inventory, anduu Fulfill emission inventory requirements forFulfill emission inventory requirements for

AB 2588 “Hot Spots” ProgramAB 2588 “Hot Spots” Program

nn Control Strategy Reporting RequirementsControl Strategy Reporting Requirementsuu Provide information on how an Owner plans on complyingProvide information on how an Owner plans on complying

with the proposed ATCMwith the proposed ATCM

nn Demonstration of ComplianceDemonstration of Complianceuu Owner to provide emissions data to District prior toOwner to provide emissions data to District prior to

installation for new engines and the compliance dates forinstallation for new engines and the compliance dates forin-use enginesin-use engines

Reporting RequirementsReporting RequirementsReporting Requirements

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nn Exemptions include:Exemptions include:

uu Engines used for the safe shutdown ofEngines used for the safe shutdown ofnuclear facilitiesnuclear facilities

uu Military training enginesMilitary training enginesuu Single cylinder cetane fuel test enginesSingle cylinder cetane fuel test enginesuu Direct-drive fire pump enginesDirect-drive fire pump engines

ExemptionsExemptionsExemptions

nn Comprised of representatives from ARB,Comprised of representatives from ARB,CEC, CE-CERT, and DistrictsCEC, CE-CERT, and Districts

nn Recommend engine certification testRecommend engine certification testmethod (ISO 8178) or modified stationarymethod (ISO 8178) or modified stationarysource method (Method 5 filter catch)source method (Method 5 filter catch)

nn Results in consistent test method forResults in consistent test method forcertification, verification, emissioncertification, verification, emissioninventory, and compliance with ATCMinventory, and compliance with ATCM

Test Method Workgroup Formed toRecommend Best PM Test MethodTest Method Workgroup Formed toTest Method Workgroup Formed toRecommend Best PM Test MethodRecommend Best PM Test Method

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Economic andEnvironmental Impacts

Economic andEconomic andEnvironmental ImpactsEnvironmental Impacts

Estimated Cost Impacts Associated withCompliance Options

Estimated Cost Impacts Associated withEstimated Cost Impacts Associated withCompliance OptionsCompliance Options

nn Capital CostsCapital Costsuu Diesel Particulate Filter: $38/hpDiesel Particulate Filter: $38/hpuu Diesel Oxidation Catalyst: $10/hpDiesel Oxidation Catalyst: $10/hpuu New Engine: $93/hpNew Engine: $93/hp

nn Cost SavingsCost Savingsuu Reduce Hours Of Operation: $1.74/gallon savedReduce Hours Of Operation: $1.74/gallon saved

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Cost EffectivenessCost EffectivenessCost Effectiveness

nn Total Capital CostTotal Capital Costuu $47 million$47 million

nn Cost-EffectivenessCost-Effectivenessuu Considering only diesel PM reductionConsidering only diesel PM reduction

FF $15/lb. of diesel PM reduced $15/lb. of diesel PM reduced

uu Considering diesel PM, ROG, and NOxConsidering diesel PM, ROG, and NOxreductionreduction

FF $8/lb. of diesel PM reduced$8/lb. of diesel PM reducedFF $1/lb. of HC plus NOx reduced$1/lb. of HC plus NOx reduced

Air Quality Benefits Include ReducedDiesel PM and Criteria Pollutant

Emissions

Air Quality Benefits Include ReducedAir Quality Benefits Include ReducedDiesel PM and Criteria PollutantDiesel PM and Criteria Pollutant

EmissionsEmissionsnn An 80% reduction in diesel PM from allAn 80% reduction in diesel PM from all

stationary engines addressed by proposedstationary engines addressed by proposedATCM expected by 2020 relative to 2002ATCM expected by 2020 relative to 2002baselinebaseline

nn Annual Average Reduction:Annual Average Reduction:

uu 107 tons/year PM reduced107 tons/year PM reduced

uu 790 tons/year NOx reduced790 tons/year NOx reduced

uu 106 tons/year HC reduced106 tons/year HC reduced

uu 410 tons/year CO reduced410 tons/year CO reduced

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The Proposed ATCM Will Result inHealth Benefits for All CaliforniansThe Proposed ATCM Will Result inThe Proposed ATCM Will Result inHealth Benefits for All CaliforniansHealth Benefits for All Californians

nn Avoid 121 premature deathsAvoid 121 premature deathsnn Reduced cancer risk to all receptorsReduced cancer risk to all receptors

reducedreduced

Proposed 15-DayChanges

Proposed 15-DayProposed 15-DayChangesChanges

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Summary of Proposed ChangesSummary of Proposed ChangesSummary of Proposed Changes

nn Additional Language for Demand ResponseAdditional Language for Demand ResponseEnginesEnginesuu Interruptible Service ContractsInterruptible Service Contractsuu Rolling Blackout Reduction ProgramRolling Blackout Reduction Program

nn Clarifications to Proposed ATCMClarifications to Proposed ATCMuu DefinitionsDefinitionsuu ExemptionsExemptionsuu Corrections to Original TextCorrections to Original Text

Proposal forDemand Response Engines

Proposal forProposal forDemand Response EnginesDemand Response Engines

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What is a Demand Response Program?What is a Demand Response Program?What is a Demand Response Program?

nn DRPs offered by utility service providersDRPs offered by utility service providersuu Customer offered incentive (i.e discountedCustomer offered incentive (i.e discounted

energy rate) to reduce power consumptionenergy rate) to reduce power consumptionwhen there isn’t enough power to meet allwhen there isn’t enough power to meet alldemandsdemands

uu Some customers in DRPs operate emergencySome customers in DRPs operate emergencystandby engines to reduce demand on gridstandby engines to reduce demand on grid

ARB Staff Proposes to Allow Limited Useof Emergency Standby Engines in DRPs

ARB Staff Proposes to Allow Limited UseARB Staff Proposes to Allow Limited Useof Emergency Standby Engines in DRPsof Emergency Standby Engines in DRPs

nn Emergency standby engines will be allowed to beEmergency standby engines will be allowed to beused in two types of DRPsused in two types of DRPs

uu Interruptible Service Contracts (ISC)Interruptible Service Contracts (ISC)uu SDGE’sSDGE’s Rolling Blackout Reduction Program (RBRP) Rolling Blackout Reduction Program (RBRP)

nn Engines enrolled in theseEngines enrolled in these DRPs DRPs will willuu Meet stringent emission limitsMeet stringent emission limitsuu Be limited in their hours of operationBe limited in their hours of operationuu Be subject to additional recordkeeping requirementsBe subject to additional recordkeeping requirementsuu RBRP engines dispatched into service taking intoRBRP engines dispatched into service taking into

account public health impactsaccount public health impacts

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Staff Proposal for ISC EnginesStaff Proposal for ISC EnginesStaff Proposal for ISC Engines

nn Diesel PM Emission Limits for ISC EnginesDiesel PM Emission Limits for ISC Engines::uu Any in-use engine participating in ISC prior to January 1, 2008Any in-use engine participating in ISC prior to January 1, 2008

must meet a diesel PM limit of 0.15 g/bhp-hrmust meet a diesel PM limit of 0.15 g/bhp-hruu Any new engine enrolled in ISC after January 1, 2005 must meetAny new engine enrolled in ISC after January 1, 2005 must meet

diesel PM limit of 0.01 g/bhp-hrdiesel PM limit of 0.01 g/bhp-hruu Any engine participating in ISC after January 1, 2008 must meetAny engine participating in ISC after January 1, 2008 must meet

diesel PM limit of 0.01 g/bhp-hrdiesel PM limit of 0.01 g/bhp-hr

nn Limited to 150 hours/year for ISCLimited to 150 hours/year for ISC

nn If ISC terminated, the engines must continue toIf ISC terminated, the engines must continue tomeet diesel PM standardsmeet diesel PM standards

Staff Proposal for RBRP EnginesStaff Proposal for RBRP EnginesStaff Proposal for RBRP Engines

nn Engines limited to 75 hours of operation per year forEngines limited to 75 hours of operation per year forRBRPRBRP

nn Total diesel MW dispatched limited to 80 MWTotal diesel MW dispatched limited to 80 MWnn Diesel PM Emission Limits for RBRP Engines:Diesel PM Emission Limits for RBRP Engines:

uu Engines currently in RBRP must comply with ATCMEngines currently in RBRP must comply with ATCMuu Engines added to RBRP between January 1, 2005 andEngines added to RBRP between January 1, 2005 and

January 1, 2008 must meet 0.15 g-bhp-hr diesel PM limitJanuary 1, 2008 must meet 0.15 g-bhp-hr diesel PM limituu Engines added after January 1, 2008 must meet 0.01 g-bhp-hrEngines added after January 1, 2008 must meet 0.01 g-bhp-hr

diesel PM limitdiesel PM limit

nn Environmental dispatch protocol must be approved byEnvironmental dispatch protocol must be approved bySan Diego Air Pollution Control DistrictSan Diego Air Pollution Control District

nn If RBRP terminated, engine must continue to meet PMIf RBRP terminated, engine must continue to meet PMstandardsstandards

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Overall Impact of Additional LanguageAddressing DRPs

Overall Impact of Additional LanguageOverall Impact of Additional LanguageAddressing DRPsAddressing DRPs

nn Compared to non-DRP emergency standbyCompared to non-DRP emergency standbyenginesenginesuu In most cases, ISC and RBRP engines will beIn most cases, ISC and RBRP engines will be

better controlled at an earlier datebetter controlled at an earlier dateuu In no case will an ISC or RBRP engine meet aIn no case will an ISC or RBRP engine meet a

less stringent emission limit or be allowed moreless stringent emission limit or be allowed morehours of operation for maintenance and testinghours of operation for maintenance and testing

Future ActivitiesFuture ActivitiesFuture Activities

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Future ActivitiesFuture ActivitiesFuture Activities

nn In-use agricultural enginesIn-use agricultural enginesuu Working with the Agricultural Working Group to developWorking with the Agricultural Working Group to develop

approaches for in-use enginesapproaches for in-use enginesuu Work with Districts on SB 700 ImplementationWork with Districts on SB 700 Implementationuu Evaluate the viability of electrificationEvaluate the viability of electrification

nn Develop implementation guidelinesDevelop implementation guidelines

nn Continue to efforts with test method workgroupContinue to efforts with test method workgroup

nn Integration of AB 2588 and the ATCMIntegration of AB 2588 and the ATCM

nn Monitor stationary engine usage under DRPMonitor stationary engine usage under DRPprovisionsprovisions