GENERAL30444

• Permit No: C1987072
• IBM Index Class Name: General Documents
• Doc Date: 6/1/1987
• Doc Name: PROPOSED DECISION AND FINDINGS OF COMPLIANCE
• Permit Index Doc Type: FINDINGS
• Media Type: D
• Archive: No

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Stipulations
STIPULATION N0. 1
THE PERMIT APPLICATION DOCUMENT MUST BE UPDATED TO REFLECT ALL CHANGES AND
AGREEMENTS REACHED DURING THE REVIEW PROCESS WITHIN FIVE (5) DAYS OF THIS
DECISION BECOMING FINAL.
STIPULATION N0. 2
LA PLATA COAL CORPORATION WILL COMPLETE A WELL WITHIN THE HAY GULCH ALLUVIUM
WITHIN TEN (10) FEET, MEASURED HORIZONTALLY, DOWNGRADIENT FROM THE OUTSLOPE OF
THE SEDIMENT POND WITHIN THIRTY (30) DAYS OF PERMIT ISSUANCE. THIS WELL WILL
BE OF ADEQUATE DIAMETER AND DEPTH TO PROVIDE WATER QUALITY AND DEPTH-TO-WATER
INFORMATION. DEPTH-TO-WATER INFORMATION WILL BE OBTAINED, AT A MINIMUM, ON A
QUARTERLY BASIS. WATER WILL BE SAMPLED SEMI-ANNUALLY AND ANALYZED FOR THE
PARAMETERS LISTED IN TABLE I. REPORTS WILL BE SUBMITTED TO THE DIVISION ON AN
ANNUAL BASIS.
STIPULATION N0. 3
LA PLATA COAL CORPORATION WILL COMPLETE A WELL (SEPARATE OF THE WELL ADDRESSED
IN STIPULA7ION NO, 2) WITHIN THE HAY GULCH ALLUVIUM WITHIN TEN (10) FEET,
MEASURED HORIZONTALLY, DOWNGRADIENT FROM THE EDGE OF THE PROPOSED LEACH FIELD
WITHIN THIRTY (30) DAYS OF PERMIT ISSUANCE. THIS WELL WILL BE OF ADEQUATE
DIAMETER AND DEPTH TO PROVIDE DEPTH-TO-WATER INFORMATION. DEPTH-TO-WATER
INFORMATION WILL BE OBTAINED, AT A MINIMUM, ON A SEMI-ANNUAL BASIS.
MONITORING WILL BE CONDUCTED DURING SPRINGTIME SNOWMELT RUNOFF AND THE WET
PERIOD OF SEPTEMBER OR OCTOBER. MONITORING REPORTS WILL BE SUBMITTED TO THE
DIVISION WITHIN THIRTY (30) DAYS OF THE DATE OF MONITORING.
STIPULATION NO. 4
LA PLATA COAL CORPORATION WILL SUBMIT A PLAN TO THE DIVISION ADDRESSING
TREATMENT OF ACIDIC DRAINAGE AT THE MINE SITE WITHIN FIVE (5) DAYS OF PERMIT
ISSUANCE. THE PLAN IS TO BE IMPLEMENTED WITHIN THIRTY (30) DAYS OF DIVISION
APPROVAL. PRIOR TO RECEIVING DIVISION APPROVAL OF THE TREATMENT PLAN, LA
PLATA COAL CORPORATION WILL TAKE ALL APPROPRIATE MEASURES TO ENSURE THAT THE
pH OF OFFSITE DISCHARGES ARE BETWEEN pH 6 AND 9.
STIPULATION NO. 5
WITHIN FIVE (5) DAYS OF THIS DECISION BECOMING FINAL, LA PLATA COAL
CORPORATION MUST SUBMIT REVISED COPIES OF MAP N0. 12, "POST-MINING
TOPOGRAPHY", TO THE DIVISION. THE MAP MUST CLEARLY DEPICT ANTICIPATED
PRE-MINING CONTOURS AND BE SUPPORTED BY REPRESENTATIVE CROSS-SECTIONS WHICH
CLEARLY SHOW THAT ALL DISTURBED AREAS WILL BE RETURNED TO ANTICIPATED
PRE-MINING (APPROXIMATE ORIGINAL} CONTOURS.
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