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l • r~ r III IIIIIIIIIIIIIIII <br />~`~ C3o3)~86- gaS~ w~t>rati~ 999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Dcpanmem of Natural Resources <br />Ill 3 Sherman 51., Room 215 Iry~` <br />Dcnvcr, Colorado 80203 III <br />Phone 13031866-3567 <br />FA%:13011 8 3 2-81 06 <br />DEPARTMEtx]T OF <br />April 12, 1995 NATURAL <br />RESOURCES <br />Roy Romer <br />Mr. John Hardaway Governor <br />Manager Environmental Affairs Tames S. LOChhead <br />Cripple Creek and Victor Gold Mining Company Executive Dueclor <br />P.O. Box 191, 275 State Highway 67 oi.s~~o~<<~or <br />Victor, CO 80860 <br />RE: Request to use Pond 4C Water for Dust Control on Permit Area Haul Roads <br />Dear Mr. Hardaway: <br />The Division has reviewed your request to use Pond 4C water for dust suppression on <br />haul roads. In your request you also provided water quality data for Ponds 5 ("LP") 5A <br />and 4C. A copy of the request with the water quality data was provided to the <br />Colorado Department of Health and Environment (CDPHE), Water Quality Control <br />Division for comments. Their comments regarding your request were received on <br />April 11, 1995. CDPHE did a comparison of the data you provided against the surface <br />water stream standards for the Arequa Gulch Basin. The comparison is provided below: <br />;::.:-::::Parameter.::::::;;';.::;::'::' :':~,trearri;?Stan::.:~w•:..f :..:...:::: :::.Rptn.:::4C:,{treat......?~:::~ :.::'::.: <br />Cyanide, WAD 0.030 0.068 <br />Total Ammonia 0.2 46.0 <br />Cadmium, 0.003 0.038 <br />Chromium 0.050 0.24 <br />Copper 0.039 13.0 <br />Mercury 0.00001 0.0013 <br />Nickel 0.2 0.56 <br />Zinc 0.34 0.48 <br />Total Ammonia stream standard is estimated based upon regional analysis. <br />