APPCOR11837

• Permit No: C1981025
• IBM Index Class Name: Application Correspondence
• Doc Date: 1/6/1982
• Doc Name: ADDITIONAL COMMENTS CONCERNING NORTH THOMPSON CREEK APPLICATION FN C-025-81
• From: MLR
• To: SNOWMASS COAL CO
• Media Type: D
• Archive: No

ATTACNMENi' U
• Surface and Underground Coal Mines
Ground and Surface lJater Monitoring Require
PARAMETERS: Units (4)
Field Measurement to be taken monthly and quarterly at the time of sam ling
Flow SW or Water Level GW X
pH X
Dissolved Ox gen 1 mg/L
Conductivit at 25°C flmhos/cm X
Tem erature C° X
Quarter) Laborator Test fore:
Turbidit JTU
Total Suspended Solids 1 mg/L X
Total Combustable Solids 1 mg/L
Total Dissolved Solids mg/L X
Total Hardness as Ca CO mg/L X
IUIHL JULUCLt MHJUN IUN~ 151 ~
Carbonate CO mg/L X
Bicarbonate HCO - mg/L X
Calcium Ca Ing/L X
Chloride Cl- mg L X
Fluoride (F- mg/L X I
Magnesium Mg mg/L X
Nitrogen: Ammonia NH m /L X
Nitrate (NO - mg/L X
Phos hate: PO as P mg/L X
Potassium K mg/L X
Sodium Na mg/L X
SAR mg/L X
Sulfate 50 - mg/L X
Sulfide S- 2 mg/L ,
TOTAL SOLUBLE HEAVY METALS (3) i
Aluminum Al mg/L X ~
Arsenic As mg/L X
Barium Ba mg/L
Boron B mg/L X
Cadmium Cd mg/L X
Chromium Cr mg/L
Copper Cu m /L X
Iron Fe mg/L X
Lead Pb mg/L Y.
Manganese Mn mg/L X
Mercury Hg ug/L X ~'
Mol bdenum Mo mg/L X
idickel Ni mg/L
Selenium Se mg/L X
Zinc Zn mg/L X
RADIOACTIVE
Gross Al ha
Gross Beta
•• Quarterly report to include all monthly parameters.
(1) Only for surface water samples
(2) Only for ground water samples
(3) Total ion concentration for surface ~•iater (SW) or dissolved ion for ground water (GW
(4) Those with (X) are required for baseline monitoring, those blank may be required.
Some of the required parameters may be deleted after a review of a y.ear's baseiine
by the Division
(5) Surface water and mine discharges ~:~ith visible oil, grease or coal fines.