omya australia pty ltd standard operating procedure · na internal omya water quality monitoring...

Omya Australia Pty Ltd. Standard Operating Procedure BJ-SOP-001 Water Quality Procedure

Version 2.0 Issue Date: 24 Nov 2016 of 8

Document deemed uncontrolled when printed

1. Purpose The purpose of the Water Quality Procedure is to standardise the water quality sampling program for Omya Australia’s Bajool Marble Mine. This document outlines the procedures and requirements for producing data to:

• To establish compliance with the regulatory requirements. • To provide an early warning system for potential non-compliance’s. • To monitor the environmental health of the on-site water bodies.

2. Roles and Responsibilities Plant Manger (SSE or delegate): maintains overall responsibility to:

• Ensure sampling complies with regulatory sampling requirements; • Maintain quality assurance over collection, transport, results retention and reporting. • Review results and initiate corrective actions, internal investigation, internal notifications to the

Operations Director or external notification to the EHP as required. • Conduct training of delegates in the implementation of this procedure.

Administration Officer

• Ensures the maintenance of records resulting from this procedure for a period of 5 years. 3. References The following guidelines have been sourced and provide the guiding principles upon which this manual has been prepared.

• Water Quality Sampling Manual EHP (1995). • AS/NZS 5667.1:1998. Water Quality – Sampling. Part 1: Guidance on the design of sampling programs,

sampling techniques and the preservation and handling of samples. • AS/NZS 5667.4:1998. Water Quality – Sampling. Part 4: Guidance on sampling from lakes, natural and

man-made. • Attachment 1 Omya Field Water Sample Collection Instruction • Attachment 2 Omya Water Quality Testing Instruction

4. Definitions pH pH is a measure of hydrogen ion concentration in water and provides a measure of the acidity or

alkalinity of a solution. A pH of 7 is called neutral, above 7 is basic (or alkaline), and below 7, acidic.

Turbidity The turbidity of a water body is a measure of the presence or absence of soluble, suspended and

colloidal particles that hinder the transmission of natural light from the surface to the lower depths. Suspended Solids Suspended solids (SS) is the amount of tiny solid particles that remain suspended in

water and act as a colloid. The measurement of suspended solids is one way of gauging water quality.

Electrical Conductivity Electrical conductivity (abbreviated EC, and often simply called ‘conductivity’), the

ability of water to carry an electric current, is used as an indicator of salinity and the concentration of dissolved salts in a water body.

>24hr Rainfall Event For the purposes of interpretation of our Environmental Authority, the site defines a

greater than 24 hour rainfall event as continuous rainfall readings logged on our onsite Weather Station without a pause of longer than 5 minutes, for a 24 hour period.




5. Equipment The following equipment is required to be carried Field Equipment Laboratory Equipment: • 4WD with flashing light and UHF Radio • Deionized Water squirt bottle • Laboratory supplied sample bottles • Lovibond PC Checkit Turbidity Monitor • Marking Pen • HQ40d Portable pH, Conductivity, Multi-Parameter Meter • Extension Sample Pole • Calibration Standards (Turbidity, pH and Conductivity) • Esky with Ice Bricks • Omya Calibration Register • Sample Twirl Bags or sterile container • 500ml Plastic Beaker • Rubber Gloves • Paper towel • Water Sample Field Sheet

PPE: • Long Sleeved Hi-Vis Shirt • Long pants • Steel Capped Safety Footwear • Safety Glasses • First aid kit (Snake bite kit) • Drinking Water • Wet Weather clothing (if required) • Sunscreen as required

6. Monitoring Schedule Water quality monitoring is to be undertaken in accordance with the Omya Environmental Authority. The document identifies the following Monitoring Triggers: • >50mm rain event; or • >24 hour rain event or • Discharge event from the Wells or Northern Pits. The Monitoring Trigger shall be noted on the Water Monitoring Field Sheet.

6.1 Onsite Weather Station Omya onsite Weather Station records data continuously and sends SMS Warnings to the Plant Manager when the Monitoring Trigger rainfall event of 50mm is approaching. (20mm, 40mm and 50mm) Weather station data can be accessed via for following web based logon:

www.spokedata.com

Login: pwilson Password: PassW0rd01

7. Pre-Start Checklist: Preparation is essential, for the Bajool site where Monitoring Trigger events are infrequent. When the 20mm SMS Warning is received by Plant Manger the following activities should be undertaken in preparation for a Monitoring Trigger event:

• Ensure good supply of Laboratory Sample Bottles and the Equipment listed in Section 5 of this procedure. Contact the External Laboratory if additional bottles are required.




When the 40mm SMS Warning is received by Plant Manger the following activities should be undertaken in preparation for a Monitoring Trigger event:

• Begin preparations for site collection of samples, identify delegate sample collection personnel. • Ensure adequate Ice Bricks are frozen ready for sample dispatch. • Calibrate Monitoring equipment in accordance with Attachment 2.

Prior to going out to collect samples:

• Prepare and pack sample bottle labels using waterproof ink with the site information, • Pack Water Sample Field Sheet (Attachment 3) and review Omya Water Monitoring Locations

(Attachment 4) • Complete chain‐of‐custody forms ready for use (Attachment 5), • Conduct a Take 5 assessment to identify hazards associated with sample collection. • Access sites and collect field samples in line with Omya Field Water Sample Collection Instruction

(Attachment 1) • Once collected, return to site laboratory to undertake onsite Water Quality Analysis in line with Omya

Water Quality Testing Instruction (Attachment 2) 8. Water Quality Monitoring Program In accordance with the site Environmental Authority, Bajool Marble Mine undertakes water monitoring on site in line with the following schedule provided in Table 1.0 SAFETY NOTES: Access to sampling locations during rain events may be slippery and hazardous. Use caution and the extension Sample Pole where appropriate. If Access to the sample location is not considered SAFE during the Take 5, do not collect sample until able to do so without risk of injury. If unable to conduct sampling of a Monitoring Trigger event due to safety reasons please note :

“UNSAFE TO COLLCET SAMPLE” on field Sampling Sheet and in 2010 to 2016 Compiled Water Monitoring Spreadsheet.


Version 2.0 Issue Date: 24 Nov 2016 Page 1 of 8


Table 1.1 : Bajool Water Quality Monitoring Program

Sample ID Description/Location Sampling Frequency Analysis Required Environmental Authority Limits Analysis Method

Catchment Area 1 Area encompassing Wells Mine Pit, Wells Rock Emplacement Area and natural undisturbed bushland.

Wells Pit 1 23°48'44.90"S 150°39'22.48"E

Water collected within operational Wells Pit or from Storage Tank at Crusher. Captures infiltration waters, rainfall and overland flow. Normal Condition: Standing water

Once every: > 50mm rainfall event or > 24hr rainfall event

pH Electrical Conductivity Turbidity Sample: Twirl Bag

NA Internal Omya Water Quality

Monitoring

WAT 1a 23°49'1.44"S 150°39'15.56"E

Waters collecting in Sediment Dam 6. Captures runoff from Haul Roads surrounding Wells Pit. Normal Condition: Dry




Monitoring

WAT 1b (BQW – 4) 23°49'7.24"S 150°39'3.76"E

EA Monitoring location (BQW-4) Captures runoff from WAT1a and WAT 1d. Originally places to monitor discharge pumping from the Wells Pit with is an activity no longer undertaken on site except in emergency/overflow conditions. Normal Condition: Dry




Monitoring

At the start and daily during dewatering into channel from Wells Pit.

If discharging from Pit: pH Electrical Conductivity Suspended Solids Sample: Twirl bag & ALS Bottle

If discharging from Pit: pH: 6.5 – 8.5 EC: <1000uS/cm SS: <50mg/L

Internal Omya Water Quality

Monitoring And

External NATA Laboratory

WAT 1c 23°49'11.16"S 150°38'49.38"E

Final point of runoff discharge from site from Catchment Area 1. Normal Condition: Dry




Monitoring





WAT 1d 23°49'4.49"S 150°39'20.09"E

Waters collecting in Sediment Dam 7. Collects runoff from Wells Rock Emplacement Area. Normal Condition: Dry




Monitoring

Catchment Area 2 Area encompassing Northern Pit (unused), Crusher, Photo sorter, Mill, Stone storage area, Storage Silos, Bagging Plant, Weighbridge and Loading areas, fuel storage tank and site offices.

Old Pit 23°48'21.81"S 150°39'8.29"E

Water collected within unused Old Pit or pumped from Wells Pit when storage tank is full. Normal Condition : Standing Water




Monitoring

WAT 2a 23°48'37.30"S 150°38'47.82"E

Collects runoff from grinding mill, stone storage area, fuel storage tanks, bagging plant and loading area. Normal Condition: Dry




Monitoring

WAT 2d (BQW - 3) 23°48'36.17"S 150°38'46.16"E

EA Monitoring location (BQW-3). Sediment Dam 2. Collects runoff from Storage Silos, Weighbridge, loading area and site offices. Normal Condition: Dry


pH Electrical Conductivity Suspended Solids Turbidity Sample: Twirl Bag & ALS Bottle

pH: 6.5 – 8.5 EC: <250uS/cm SS: <500mg/L


Monitoring And


WAT 2c 23°48'35.68"S 150°38'48.26"E

Collects runoff from unused Northern Pit area, Haul Roads, Sorter and crusher and discharge from Sediment Dam 1. Normal Condition: Dry




Monitoring





WAT 2b 23°48'36.56"S 150°38'38.47"E

Final point of discharge from site from Catchment Area 2. Normal Condition: Dry




Monitoring

WAT 2e (BQW – 1) 23°48'42.83"S 150°38'35.90"E

EA Monitoring location (BQW-1) receiving water monitoring point within Eight Mile Creek. “upstream” of Mine plant areas. Normal Condition: Ephemeral Flows


Electrical Conductivity Suspended Solids pH Turbidity Sample: Twirl Bag & ALS Bottle

No limits, however used in the calculation of WAT 2d (BQW-3) limits.


Monitoring and


Catchment Area 3 Area encompassing Rehabilitation area 3 and naturally vegetated areas

WAT 3a 23°48'16.72"S 150°38'28.09"E

Final pint of discharge from site from Catchment Area 3. Normal Condition: Dry




Monitoring

WAT 3b (BQW – 2)

EA Monitoring location (BQW-2). “downstream” site within Eight Mile Creek.


pH Electrical Conductivity Suspended Solids Turbidity

EC: If WAT 2e (BQW – 1) EC is <250uS/cm then EC: <250uS/cm If WAT2e (BQW – 1) EC is >250uS/cm then EC: <10% of WAT2e (BQW – 1) EC. SS: If WAT2e (BQW – 1) SS is


Monitoring and






23°48'13.60"S 150°38'22.46"E

Normal Condition: Ephemeral Flows

Sample: Twirl Bag & ALS Bottle

<250mg/L then SS: <250mg/L If WAT2e (BQW – 1) SS is >250mg/L then SS: < 10% of WAT2e (BQW – 1) SS.




9. Results Internal water quality results shall be recorded on the Omya Water Monitoring Field Sheet in Attachment 4. These will be transcribed to the 2010 to 2016 Compiled Water Monitoring Spread sheet maintained in the Omya Share Drive. Hard copies of the Field sheets shall be maintained by the Administration Officer for a period of 5 Years. External Monitoring results will be received by the Plant Manager from the NATA Certified Laboratory and shall be transcribed into the 2010 to 2016 Compiled Water Monitoring Spreadsheet upon receipt from the external laboratory. Results will be compared to Environmental Authority Limits and exceedances shall be:

• Investigated by the Plant Manager, and • Entered into the onsite Incident Management System, and • Notified to the EHP by the Plant Manager within 24 hours of receipt from the Laboratory.

Note: Further investigation including follow up monitoring shall be initiated by Plant Manger in consultation with Operations Manager and Omya Sustainability Manager where required. Original records from the laboratory shall be maintained in the Omya Share Drive for a period of 5 years. 10. Dispatch Ensure all Laboratory Samples are refrigerated until ready for dispatch to external Nata Certified Laboratory. Complete Chain of Custody Form (Attachment 5) and pack samples with ice bricks. Deliver or courier to : ALS Environmental 48 Callemondah Drive Gladstone QLD 4680 AUSTRALIA T +61 7 4978 7944

ALS Environmental 2 Byth Street (cnr Shand & Byth Street) Stafford QLD 4053 AUSTRALIA T +61 7 3243 7222

11. Attachments

Attachment 1 Omya Field Water Sample Collection Instruction Attachment 2 Omya Water Quality Testing Instruction Attachment 3 Water Sample Field Sheet Attachment 4 Omya Water Monitoring Locations Attachment 5 Laboratory Chain of Custody Form

ATTACHMENT 1 OMYA FIELD SAMPLE COLLECTION INSTRUCTION

Equipment Required: • Twirl Bags • Blank Water Sample Field Sheet • Permanent Marking pen • Esky with ALS sample bottles • Frozen Ice Bricks • Extension Sample pole • Gloves

1. Access Omya sampling sites using Omya Water Monitoring Locations Map.

2. Check signage at monitoring location.

3. Record details on Water Sample Field Sheet a. Sample Location Id number b. Date c. Time d. Bottle Sample Collected for ALS (Y/N) e. Site observations (these can include whether water is flowing or pooled, oily sheen

present, cloudy water, muddy water, dead or alive fish/animals etc.) f. Samper Name

4. Collect Bag Sample using “Twirl Bag”

a. Put on gloves b. Tear off bag seal c. Collect sample (Collect water from mid stream avoiding debris/bed materials) d. Record Sample Location Id on bag with marker pen e. Store in cool location for no more than 6 hours. f. If using Extension Sample Pole, ensure collection bottle is rinsed with Deionized

water and then stream sample prior to collection. Decant sample into twirl bag and label as above.

5. Collect ALS Water Bottle Sample (BQW sites only)

a. If using Extension Sample Pole, attach ALS sample bottle to extension pole and collect stream sample directly into ALS bottle.

b. Record details on bottle: i. Date ii. Sample location Id iii. Time iv. Sampler name

c. Ensure ALS water Sample bottles are put in esky with ice bricks or in Refrigerator until dispatch.

6. Return to Omya Laboratory to undertake Water Quality Testing on Twirl Bag Samples within 6 hours of collection.

ATTACHMENT 2 WATER QUALITY TESTING INSTRUCTION

Equipment Required: • Water Samples (twirl bags) • Water Sample Field Sheet • Deionized Water squirt bottle • Hach 2100Q Turbidity Monitor • HQ40d Portable pH, Conductivity, Multi-Parameter Meter • Calibration Standards (Turbidity, pH and Conductivity) • Omya Calibration Register • 500ml Plastic Beaker • Paper towel

1. Un-pack collected twirl bagged samples and Monitoring Equipment on clean bench top.

Hach 2100Q Turbidity Monitor

Full CALIBRATion - To be undertaken Quarterly 1

• Turn on using the Blue on/off button

2 • RECORD DATE in the “Omya Calibration Register”. 3

• Prepare 20ntu, 100ntu and 800ntc Calibration Standards

• DO NOT touch glass, handle only by the lids. • Invert gently 3 times and let stand for 3 minutes

4

• Press Calibrate button and follow screen instructions.

• Line up Δ triangle marks and close lid securely

5 • Once complete press the Done button and record Calibration Details in Calibration Register.

Verification CALIBRATion - To be undertaken Weekly

1

• Turn on using the Blue on/off button

2

• RECORD DATE in the “Omya Calibration Register”.

3

• Prepare 10ntu, Calibration Standards • DO NOT touch glass, handle only by the lids. • Invert gently 3 times and let stand for 3 minutes

4

• Press Verify Cal button and follow screen instructions. • Line up Δ triangle marks and close lid securely

5

• Once complete press the Done button and record Verification Calibration Details in Calibration Register.

TEST WATER SAMPLES

1

Turn on using the Blue on/off button

3

Invert the Twirl Bag several times to mix (DO NOT Shake as it will create bubbles) Pour a small amount of sample from twirl bag into clean glass vial and discard. Repeat 3 times. Fill vial to indicated line and secure lit.. Wipe outside of vial to ensure clean and dry. Place into unit with black arrows lined up Close lid

4

Press the Read button and record result on the Water Sample Field Sheet.

CLEAN UP BOTTLES 1

Rinse bottles with tap water, followed by 3 rinses with Distilled Water

2

Apply a small drop of Silicon Oil and use oiling clost to spread oil uniformly. Note: Store Oiling Cloth in plastic bag.

3

Fill bottle with DI Water and replace cap.

HQ40d Portable pH, Conductivity, Multi-Parameter Meter

CALIBRATE INSTRUMENT

1

Turn on instrument using ON/OFF key. Push SET Up Key

2

Scroll down to “Run Check Standard” and push Green Read Button to select.

3

: Scroll down to select “pHC101 Check Standard” and push Green Read Button to select. Enter Date /time in Calibration Register for pH Probe

4

Remove cap and rinse pH probe with deionized water. Pat dry with paper towel Place in pH 7 Buffer Solution and swirl gently. Press Green button to start reading

5

Once Reading shows a lock symbol, Record this initial result in the Calibration Register Push the green button to enter result.

6 Rinse pH probe with Deionized Water and pat dry. 7 Push SET Up Key

8

Scroll down to “Run Check Standard” and push Green Read Button to select.

9

: Scroll down to select “CDC401 Check Standard” and push Green Read Button to select. Enter Date /time in Calibration Register for pH Probe

10

Rinse Conductivity pH probe with deionized water. Pat dry with paper towel Place in Electrical Conductivity Standard Solution and swirl gently. Press Green button to start reading

11

Once Reading shows a lock symbol, Record this initial result in the Calibration Register Push the green button to enter result.

12 Rinse pH probe with Deionized Water and pat dry.

2. Test collected water samples for pH, Temperature and Electrical Conductivity levels.

TEST WATER SAMPLES

1

Turn unit on using On/OFF Button

2 RECORD Sample id on Water Sample Field Sheet 3

Place open twirl bag in 500ml beaker for support

4 Place clean dry probes into the bag of sample.

5 Press GREEN “Read” Button.

6

Once stabilized and lock symbol on screen, record pH, Temperature and Conductivity reading on Water Sample Field Sheet.

7 Discard Water Sample into sink and bin empty twirl bag.

8 Rinse probes with deionized Water ready for next sample.

9 Repeat steps 2 to 8 for all water samples collected.

10 Turn off using On/OFF button.

NOTE: Water Quality Testing undertaken on site are for internal use only. ALS Analysis results are to be used for all EHP Environmental Authority compliance purposes.

Omya Water Monitoring Locations

ENFM (204/11) Form Page 1 of 1 Approved Date: 27/08/2013

CHAIN OF CUSTODY ALS Laboratory: please tick !

TURNAROUND REQUIREMENTS : ! Standard TAT (List due date): FOR LABORATORY USE ONLY (Circle)

! Non Standard or urgent TAT (List due date): Custody Seal Intact? Yes No N/A

PROJECT NO.: Yes No N/A

ORDER NUMBER: PURCHASE ORDER NO.: COC: 1 2 3 4 5 6 7 ˚C

OF: 1 2 3 4 5 6 7 Other comment:

ALS USE ONLY

LAB ID SAMPLE ID MATRIX

Water Container Codes: P = Unpreserved Plastic; N = Nitric Preserved Plastic; ORC = Nitric Preserved ORC; SH = Sodium Hydroxide/Cd Preserved; S = Sodium Hydroxide Preserved Plastic; AG = Amber Glass Unpreserved; AP - Airfreight Unpreserved PlasticV = VOA Vial HCl Preserved; VB = VOA Vial Sodium Bisulphate Preserved; VS = VOA Vial Sulfuric Preserved; AV = Airfreight Unpreserved Vial SG = Sulfuric Preserved Amber Glass; H = HCl preserved Plastic; HS = HCl preserved Speciation bottle; SP = Sulfuric Preserved Plastic; F = Formaldehyde Preserved Glass; Z = Zinc Acetate Preserved Bottle; E = EDTA Preserved Bottles; ST = Sterile Bottle; ASS = Plastic Bag for Acid Sulphate Soils; B = Unpreserved Bag; LI = Lugols Iodine Preserved Bottles; STT = Sterile Sodium Thiosulfate Preserved Bottles.

[email protected] , [email protected], [email protected]

SAMPLER: Amanda Laner

COUNTRY OF ORIGIN: Australia

RELINQUISHED BY:

CLIENT: OMYA Australia Pty Ltd

OFFICE: Bajool

PROJECT: Water Sampling

COC Emailed to ALS? ( YES / NO)

PROJECT MANAGER: Paul Wilson CONTACT PH:

ALS QUOTE NO.: BN/263/16

X

pH (E

A00

5P)

8 To

tal M

etal

s (W

-2T)

TSS

(EA

025H

)

SAMPLE DETAILS MATRIX: Solid(S) Water(W) CONTAINER INFORMATION

Random Sample Temperature on Receipt:

COC SEQUENCE NUMBER (Circle)

RELINQUISHED BY: RECEIVED BY:RECEIVED BY:

Additional Information

DATE/TIME:

TOTAL

SAMPLER MOBILE: 0412949684

Email Invoice to (will default to PM if no other addresses are listed): [email protected], [email protected]

DATE / TIME TOTAL BOTTLES

(Standard TAT may be longer for some tests e.g.. Ultra Trace Organics)

Free ice / frozen ice bricks present upon receipt?

EDD FORMAT (or default):

DATE/TIME:Email Reports to (will default to PM if no other addresses are listed): DATE/TIME:

TDS

(EA

015H

)

DATE/TIME:

Turb

idity

(EA

045)

ANALYSIS REQUIRED including SUITES (NB. Suite Codes must be listed to attract suite price)

Where Metals are required, specify Total (unfiltered bottle required) or Dissolved (field filtered bottle required).

X X

Con

d (E

A01

0P)

TPH

/TR

H (W

-4)

X

COMMENTS/SPECIAL HANDLING/STORAGE OR DISPOSAL:

Comments on likely contaminant levels, dilutions, or samples requiring specific QC analysis etc.

TYPE & PRESERVATIVE (refer to codes below)

"ADELAIDE 21 Burma Road Pooraka SA 5095 Ph: 08 8359 0890 E: [email protected]

"BRISBANE 2 Byth Street Stafford QLD 4053 Ph: 07 3243 7222 E: [email protected]

"GLADSTONE 48 Callemondah Drive Clinton QLD 4680

Ph: 07 4978 7944 E: [email protected]

"MACKAY 78 Harbour Road Mackay QLD 4740 Ph: 07 4944 0177 E: [email protected]

"MELBOURNE 2-4 Westall Road Springvale VIC 3171 Ph: 03 8549 9600 E: [email protected] "MUDGEE 1/29 Sydney Road Mudgee NSW 2850 Ph: 02 6372 6735 E: [email protected]

"NEWCASTLE 5 Rose Gum Road Warabrook NSW 2304 Ph: 02 4968 9433 E: [email protected]

"NOWRA 4/13 Geary Place North Nowra NSW 2541 Ph: 02 4423 2063 E: [email protected] "PERTH 10 Hod Way Malaga WA 6090 Ph: 08 9209 7655 E: [email protected]

"SYDNEY 277-289 Woodpark Road Smithfield NSW 2164 Ph: 02 8784 8555 E: [email protected]

"TOWNSVILLE 14-15 Desma Court Bohle QLD 4818 Ph: 07 4796 0600 E: [email protected] "WOLLONGONG 99 Kenny Street Wollongong NSW 2500 Ph: 02 4225 3125 E: [email protected]

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