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aecyaea wCer ~~ <br />III IIIIIIIIIIIII III • <br />® 999 <br />_ ®Tri-County Neaitn Department <br />e IN l~ l~s L~ ~ V ~ and Douglas Counftes <br />i~ NU1 0 3 1998 <br />Chris J. W ipnt. M.P.H.. Ph.D _ _ _ _ _ _ <br />ExecunveDirecror ---"'--- <br />October 21, 19198 <br />S. G. Company, do Gary Williams Co. <br />Attn: Ivir. Randy Warren <br />370 17th Street, Suite 5300 <br />Denier, CO 80202 <br />Dear Mr. Warren: <br />Thank you for participating in the Tri-County Health Department Rocky Mountain <br />Arsenal Supplemrntal Offpost Private Well Inventory, Sampling and Information <br />Response Program. The results of the most recrnt sampling, which took place on October <br />2, 1998, are reported in this letter. Your 46 foot well, 1D# 1272A, located north of <br />Highway 85 and] 04th Ave, was aaalyzed for the following compounds: <br />Diiseoroovlmethvlohosnhonate, (DI'1V8) is a waste by-product of chemical weapons <br />maaitfacturing processes. The EPA has a lifetime health advisory of 600.0 parts per - <br />billion (ppb) D1MP in drinking water. The Colorado Departrnrnt of Public Health and <br />Etrvironmem has a groundwater D]MP standard of 8.0 ppb. D1Q1iP was detected in <br />your well water at 3S1 ppb, using a laboratory method with a detection limit of 0.35 <br />ppb. <br />Fifty years of working to 5O improvc the public's health <br />4307 East 72nd Avenue ^ Commerce City, Colorado 80022-1488 <br />(303) 288-6816 ~ fAX (303) 287-9678 <br />