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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenr of Natural Resources <br />. r! . <br />1313 Sherman 51., Room 215 I~.,,,~~ <br />Denver, Colorado 80203 <br />Phone: (3031 8663567 <br />FAX: 1303) 832-8106 <br />DEPAIZTMEN'T OF <br />NATURAL <br />February 7, 1995 RE$~URCES <br />Roy Romer <br />Mr. Walter Wright covernnr <br />Somerset Mining Company fames S. lochhead <br />P. O. Box 5 3 5 E.eCUlive DIIMOr <br />Somerset, Colorado 81434 Mienaei s. Eong <br />Division Director <br />RE: Somerset/Sanborn Creek Mine, File No. C-81-022, Annual <br />Hydrology Reports <br />Dear Mr. Wright: <br />The Division received the 1994 Annual Hydrology Report for the <br />Somerset Mine on February 2, 1995. The 1993 and 1994 reports were <br />both reviewed by Kent Gorham who is a Environmental Protection <br />Specialist in our office.' <br />Generally, there was a marked improvement in the monitoring <br />compliance in the 1994 report versus the 1993 report. However, <br />several questions were raised about the monitoring frequency in the <br />1993 report along with a couple of items in the 1994 report. Also, <br />there was some concern about the unusually high levels of sodium <br />chloride in the Rollins sandstone wells. <br />The Division is requesting that Somerset respond to the issue of <br />the missing data by February 24, 1995. Please be advised that the <br />Division may pursue enforcement action for the missing values if a <br />justifiable response about their absence is not received. <br />Kent's review memo is enclosed and provides more specifics about <br />the Division's concerns. If you have any questions, please contact <br />me. <br />Sincerely, <br />% 5~~ <br />Anthon J. Waldron <br />Environmental Protection Specialist <br />Enclosure(s) <br />cc: Jim Stover <br />David A. Berry <br />