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APR-22-07 1T:03 Fram:CCiV DOLD~ III IIIIIIIIIIIII III 171863A325~ T-TA8 P.O1 Joh-031 <br />STAVE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />DLyldrlmPnl ni N.llurm IiC]OUrcO <br />1J135hr~rm.rn til.. RUOm !1] ~ ~ - <br />Der+xr. G>Inrark. an!~S <br />PhOrIP: 110 fl Nfifi.3ia~ <br />fA%: ~ 1011 H 1J-l1I0f+ <br />October 7, 1996 <br />Mr. John Hazdaway <br />Manager Environmental Affairs <br />Cripple Cresk and Victor Gold Mining Co. <br />P. O. Box 191 <br />Victor, CO 80860 <br />RE: Groundwater Monitoring Numeric Standards <br />Rot Ramer <br />Gowemor <br />I+rner S. lahhead <br />E~Oaniye Dlrectw <br />+Nwim16. lane <br />OIIr6Wn Direaor <br />~~y,ilG/~ t n 7 <br />Dear Mr. Hardaway: ' <br />l <br />The Division of Minerals and Geology hac carefully evaluated the Ground water data 3 qtr had <br />provided to date as baseline. Based on the evaluation of the dau, the following numerical <br />standards will be applicable to all the monitoring wrl[s, fo~the site. <br />,ss <br />)~~L! ~ln Aluminum 7 0 1r0 r Y ~ ~}a <br />~~r ~~ Arsenic 0.009 ~''OO OaJI ay~f o cb D./a~ ..' <br />~ ` Cadmium o.00~t oar( eve o.oGv oeu a .~7 <br />©ll <br />Copper _~3 l U-O8 ' <br />0.008 b.o ~ t <br />2 <br />tL " <br />~~ $ <br />Fluoride - <br />/l. <br />• <br />2,00 z.o <br />Iron _ <br />14. ! S. f5 )r -~ 3, ob -- <br />Lead 0. e.m(c O.oO(o G.UYS>!y o•dT2 .~ <br />Manganese 3. n.~ro f•Y~j ----~_ 17 Y ~~ <br />Nickel 0.200 o~tY ~ Ulb o•zy as i 4•U7 Imo. D. t ~ <br />Nitrite 0.050 U.o y Q.d~_ F . ~ fi <br />Nitrate ~. 3 fL -~-'` Zs'1 4.4~_ ~ <br /> <br />Nitrate & Nitrite .r <br />1 .00 <br />Selenium 0.024 n oo$ sr.u!~ OYyv o•a3 cur y iyp G. U 3 <br />Mercury <br />Zinc 0.00 0 0„ ° °~ S o - ~ u, r ~ , <br />0.7 0.07 C. ~ ' <br />cyanide (WAD> <br />PH l.W ~ 0.20 ~ f e. 19 u.uy a-a (o <br />(6.00 .~&--~~_ , ~3 Z~ f <br /> ' <br />ZA xA ~~1 <br />~ ~~ <br />~~ <br />If the operator wishes to have the numeric standarr. for agricultural usage .be applied, the Division <br />will consider the request. Unless the Division rece Ives a written request for the change, it will be <br />assumed that the above standards will be applied a al[ monitoring wells. <br />-J <br />