GENERAL35449

• Permit No: C1984063
• IBM Index Class Name: General Documents
• Doc Date: 12/14/1984
• Doc Name: PROPOSED DECISION AND FINDINGS OF COMPLIANCE
• Permit Index Doc Type: FINDINGS
• Media Type: D
• Archive: No

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2. QUARTERLY MONITORING OF THE HARVEY GAP RESERVOIR SEEP INCLUDING
FLOW AND FIELD PARAMETERS.
3. COMPILATION OF ALL DATA SUBMITTED TO THE COLORADO DEPARTMENT OF
HEALTH FOR COMPLIANCE WITH THE NPDES PERMIT SAMPLING REQUIREMENTS,
INCLUDING SALINITY.
GROUND WATER
1. CONTINUATION OF AN INFLOW STUDY AT THE MINE WITH THE SOURCES OF
SEEPS MAPPED ONCE YEARLY. FLOWS AND FIELD PARAMETERS SHALL BE SAMPLED
AS PRACTICABLE. A HEAVY INFLOW MONTH SUCH AS JULY WILL BE CHOSEN FOR
INFLOW MAPPING. ANY NEWLY DEVELOPED SOURCES OF INFLOW THAT HAVE FLOW
OF 0.5 GPM OR GREATER WILL BE TESTED ONE-TIME FOR THE FULL SUITE OF
CHEMICAL PARAMETERS.
2. PUMPAGE RATES FROM THE MINE TO THE SEDIMENT PONDS WILL BE RECORDED
WITH THE MINE WATER TESTED QUARTERLY FOR FIELD PARAMETERS AND ONCE
YEARLY FOR THE FULL SUITE OF CHEMICAL PARAMETERS.
3. THE MINE WELLS 0.5 AND 1.5 COMPLETED IN THE COAL SEAMS OVERLYING
THE E SEAM WILL BE SAMPLEU ON A QUARTERLY BASIS FOR WATER LEVEL AND
FIELD PARAMETERS.
4. A WELL WILL BE PLACED AT THE PROJECTED BASE OF THE REFUSE PILE AND
COMPLETED IN THE ALLUVIUM. THIS WELL MUST BE COMPLETED PRIOR TO
DISTURBANCE AT THE REFUSE WASTE SITE. COMPLETION DIAGRAMS SHOULD BE
SUBMITTED TO THE DIVISION WITHIN 30 DAYS OF COMPLETION. THIS WELL WILL
BE SAMPLED ;~IONTHLY FOR WATER LEVEL AND FIELD PARAMETERS AND QUARTERLY
FOR FULL SUITE CHEMICAL PARAMETERS.
FIELD PARAMETERS
TEMPERATURE
pH
CONDUCTIVITY
FLOW OR WATER LEVEL
logic Balance -- Sediment Cont
FULL SUITE CHEMICAL PARAMETER
pH
TEMPERATURE
SPECIFIC CONDUCTANCE
D[SSOLUED SOLIDS
SODIUM
POTASSIUM
CALCIUM
-- Ru
MAGNESIUM
SULFATE
FLUORIDE
BORON
ALKALINITY
BICARBONATE
4.05.4. 4.05
Information on the sediment control measures and structure designs is
presented on pages 62 to 95 and Appendix F of the permit application.