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W.E. T. ~((~'. <br />tl uq~r R_(_:nvirunrn,~nru!_rY+~rlnb brr. :3516'cv J00 Sn uth. Anrrrlcan % ark„( Jrah 8.f003 (800763-0660 %av/801176 i .OfJ0 <br />Acute Whole I;t'flucnt To~icit~' Chemical Result Report <br />January G, 2002 <br />CUS'!'ODlI:R NAMI'.: PHONli Nl \tli[•;R: O7U)8G4-2165 <br />1Vestern Purls Co.(New Horizon Mine - 008) F:1X NL`~111BR: (970)864-2168 <br />Accelerated Test k l <br />Atut: 'lbny Adkins <br />P.O. I3ox 628 <br />Nucla, CO. 81424 <br />ti:\\11'1,1{ UI?ti('RIP'1'I(h\ <br />Chemistries to go with Acute 2 Species Toxicity Test Collected 1/2/02. <br /> <br />Sample Tcst I,og Acute <br />Source Nerformed Number Ceriodnphnia <br />Etiluem Total Ilanhtus, Rrcon (EPA 130.2) •:868 192 mg/l. <br /> 'fowl llardncss, Etnucm (EPA 130.2) 4868 2,732 mglL <br /> Total Ilardncss, Receiving Water (EPA 130.2) Na na mg/L <br /> Ammonia. G(fluctu (EI'A 350.21350.3) 4868 3.34 mg/L <br /> Ammonia, Receiving water (EPA 350.2%?50.3) Na na mglL <br /> Initial Chlorine Residual (EPA 3?0.~i q~p5 <0.05 mglL <br /> Final Chlorine Residual (EPA 330.5 ~ 4FtiS na mg/L <br /> Conductivity. 131tlucm(FsPA 120.1) :~6~ 4,250umhos/cm <br /> Alkalinity, Efnucnt (EPA 310.1) 4868 512 mg/l. CaCO~ <br /> Conductivity, Receiving Water (ER4 120.1) Na na umhoslcm <br /> Alkalinity. Receiving \1'ater (IiPA 310.!) Na na mgrL CaCOr <br /> R~t:un Initial pH (EPA 150.1) 4868 7.90 <br /> After 24 hours pll (EPA 154.1) 4868 7.99 <br /> 100` Initial pH (C•PA ISU.I1 4865 7,07 <br /> 100'); After 24 hours pll (EPA 150.1) 4868 8.20 <br /> Receiving Water Initial p}i (L"•PA ISt).l) Na na <br /> Receiving Water After 24 hours pH (EPA 150.1) Na na <br /> <br /> C~d - j- <br /> R owed: Lce Rawlings, Lab Dircrtor <br /> W ater & Em•ironmental Testing, Inc. <br />Page 4 of 7 <br />