Laserfiche WebLink
COLORADO DEPARTMENT OF HEALTH <br />Water Quality Control Division <br />4210 East 11th Avenue <br />Denver, Colorado 80220 <br />RATIONALE <br />AMENDMENT 1l3 <br />BLUE RIBBON COAL COMPANY <br />BLUE RIBBON MINE <br />PERMIT NUMBER CO-0033553 <br />DELTA COUNTY <br />By letter of October 13, 1987, the permit tee has requested a permit amendment <br />to reflect the current status of the facility. It is being reclaimed and <br />therefore, eligible for post-mining effluent limitations. <br />Regrading was completed during the summer of 1986 and revegetation began that <br />fall. Three ponds and outfalls, OOI, 002 and 003, remain. All are surface <br />runoff ponds. <br />EFFLUENT LIMITATIONS, RATIONALE AND MONITORING FREQUENCIES: <br />Surface runoff discharges from reclamation areas are eligible for the <br />limitations shown in Table 1. <br />Table 1 <br /> Monitoring <br />Parameter Limitation Rationale Frequency <br />Flow (MGD) Monitoring only Monitoring Monthly <br />pH, (s.u.) 6.5 - 9.0 WQS 1/ Monthly <br />Oil and Grease, (mg/1) 10 SES 2/ Monthly <br />Settleable Solids, (ml/1) 0.5* BAT 3/ Monthly <br />Total Dissolved Solids Monitoring only Colo. River Quarterly <br />(mg/1) Salinity Standards <br />1/ Colorado Water Quality Standards <br />2/ State Effluent Standards <br />3/ Federal Best Available Technology Economically Achievable <br />* See discussion below <br />