Laserfiche WebLink
Storm Water Management Plan (SWMP), September 2012 <br />GCC Energy – King Coal & King II Mines <br />12 <br /> <br /> <br />Records of inspection results and reports shall be kept in Appendix C. <br />5.2 Effluent Limitations and Discharge Monitoring <br />5.2.1 Sample Location(s) <br /> <br />The following are the outfalls associated with each facility. In the event of a <br />discharge from any of the outfalls, the sampling protocol in the following sections <br />shall apply: <br /> <br />Outfall <br /># <br />Facility Location in Facility <br />001 King Coal Mine East Retention Pond <br />002 King Coal Mine West Retention Pond <br />003 King II Mine Sedimentation Pond <br /> <br /> <br />5.2.2 Pollution Parameters to be Sampled <br /> <br />The following effluent limitations apply to the King Coal and King II Mines: <br /> <br />Parameter <br />30-day <br />average <br />7-day <br />average <br />Daily <br />Max Rationale Frequency <br />Sample <br />Type Limitation type <br />Flow, MGD Report N/A Report Discharge Evaluation <br />Continuous/ <br />Instananeous <br />Recorder/ <br />In-situ General Permit <br />pH, s.u.N/A N/A 6.5-9.0 <br />Water Quality <br />Standards 2 days/month Grab General Permit <br />Oil/Grease, mg/L N/A N/A 10 <br />State Effluent <br />Regulations 2 days/month Visual/Grab General Permit <br />Settleable solids, mg/L Report N/A 0.5 <br />Federal ELG 2 days/month Grab Federal <br />Total Suspended <br />Solids (TSS), mg/L 35 N/A 70 Federal ELG 2 days/month Grab Federal <br />Total Recoverable <br />Iron, ug/L 1000 N/A N/A <br />Water Quality <br />Standards Weekly Grab Site Specific <br />Parameter <br />30-day <br />avg <br />7-day <br />avg <br />Daily <br />Max Rationale Frequency <br />Sample <br />Type Limitation type <br />TSS, mg/L Report N/A Report Federal ELG <br />Weekly Grab Federal <br />TSS, mg/L Report N/A Report Federal ELG <br />Weekly Grab Federal <br />Settleable solids, mg/L Report N/A 0.5 Federal ELG Weekly Grab Federal <br />PERMIT LIMITATIONS AND MONITORING REQUIREMENTS FOR OUTFALLS 001, 002 AND 003 <br />ALTERNATE LMITATIONS FOR ALKALINE MINE DRAINAGE AND COAL PREPARATION AREAS <br />May substitute the following (subject to burden of proof) for discharge caused by precipitation within any 24- <br />hour period less than or equal to the 10-year, 24-hour prcipitation event (or snowmelt of equivalent volume) <br />May substitute the following (subject to burden of proof) for discharge caused by precipitation within any 24- <br />hour period greater than the 10-year, 24-hour prcipitation event (or snowmelt of equivalent volume) <br /> <br />