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• III IIIIIIIIIIIII III • <br />STATE OF <br />RADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Kesou« es <br />Ill } Sherm,in 51.. Koum 21 5 <br />Denver. Colorado H1C01 <br />Phony' 111151 H66- 4567 <br />FA% 1 i0i1 ri t1-74106 <br />January 22, 1996 <br />~~~ <br />I)E PA RTM ENT OF <br />NATURAL <br />RESOURCES <br />Roy Rnmr~ <br />Ms. Nora Jacquez `"'"`"""' <br />Attorney at Law I''°"~'' `°`~'~"'"' <br />E u•c un.~r Dun um <br />146 South Kendall Street nLr6ac~ h. En"A <br />Lakewood, CO 80226 °'""'"" °"`" "" <br />RE: SUNIlI4ARY OF 1995 MONITORING -San Luis Project -Permit l~o. M-88-112 <br />Dear Ms. Jacquez: <br />Per your request, the following is a brief summary of the monthly monitoring activities at the San Luis <br />Project. <br />BMRI complied with all of the requirements of TR-06 and TR-10 in 1995. Sampl have been collected <br />on time. Samples are being shipped to the Lab in a chilled condition and have b~n on time. Holding <br />times have been observed and the reports have been sent to the Division in a time y manner. <br />Cyanide was not detected at any of the groundwater or surface monitoring statiorMs during 1995 (false <br />readings or otherwise). <br />Average cyanide conditions in the tailings pond varied from .45 ppm WAD , .80 pm Total in January <br />to .66 ppm WAD, .90 ppm Total in December. Average cyanide conditions in the llection pond varied <br />from 1.02 ppm WAD, 1.49 ppm Total in January to .23 ppm WAD, .27 ppm To I in December. As <br />noted, monthly averages in the collection pond are nearing drinking water standards (.20 ppm Total CN). <br />Currently, everything is running smoothly. <br />If you have any questions, please give me a call. <br />Sincerely, <br />i <br />/James Dillie <br />Environmental Protection Specialist <br />JD/gaw <br />cc: Mr. Maclovio Martinez <br />M:\ma\gavVacqu¢.jd <br />