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Newmont,, CRIPPLE CREEK & VICTOR <br /> PO Box141 <br /> 100 N.3rd Street <br /> CRIPPLE CREEK&VICTOR <br /> Victor CO 80860 <br /> Table 3.4 Arequa Gulch Surface Water Standards (COARUA22A) <br /> 22a.Mainstem of Arequa Gulch from the source to the confluence with Cripple Creek. <br /> COARUA22A Classifications Physical and Biological Metals(ug/L) <br /> Designation Agriculture DM MWAT acute chronic <br /> UP Aq Life Cold 2 Temperature°C CS-II CS-II Aluminum 11000 11000 <br /> Recreation N acute chronic Arsenic 340 -- ' <br /> Qualifiers: D.O.(mglL) -- 6.0 Arsenic(T) -- 100 <br /> Other. D.O.(spawning) -- 7.0 Cadmium TVS TVS <br /> pH 6-0-9.0 — Chromium III TVS TVS <br /> 'Uranium(acute)=See 32.5(3)for details. chlorophyll a(mg/ma) -- -- Chromium III(T) -- 100 <br /> 'Uranium(chronic)=See 32.5(3)for details. E.coli(per 100 mL) — 630 Chromium VI TVS TVS <br /> Copper TVS TVS <br /> Inorganic(mglL) Iron(T) -- 1000 <br /> acute chronic Lead TVS TVS <br /> Ammonia NS TVS Manganese 5903 3674 <br /> Boron — 0.75 Mercury(T) -- 0.01 <br /> Chloride — — Molybdenum(T) -- 150 <br /> Chlorine 0.019 0.01 I Nickel TVS TVS <br /> Cyanide 0.005 -- Selenium TVS TVS <br /> Nitrate 100 -- Silver TVS TVS <br /> Nitrite — 0.05 Uranium varies' varies' <br /> Phosphorus --- 0.11 Zinc 3500 600 <br /> Sulfate — — ' <br /> Sulfide — 0.002 <br /> IIIII <br /> Table 3.5 Wilson Creek Surface Water Standards (COARUA23) <br /> 23.Mainstem of Wilson Creek(Teller County),including all tributaries and wetlands,from the source to the confluence with Fourmile Creek. <br /> COARUA23 Classifications Physical and Biological Metals(ug/L) <br /> Designation Agriculture DM MWAT acute chronic <br /> Reviewable Aq Life Cold 2 Temperature°C 'CAS-II CS-II Arsenic 340 — <br /> Recreation E acute chronic Arsenic(T) — 100 <br /> Qualifiers: D.O.(mg/L) — 6.0 Cadmium TVS TVS <br /> Other: pH 6-5-9.0 — Chromium III NS NS <br /> chiaophyll a(mg/mt) — 150' Chromium III(T) — 100 <br /> 'chlorophyll a(mg/m=)(chroric)=applies only • <br /> above the facilities listed at 325(4). E.toll(per 100 mL) — 126 Chromium VI NS NS <br /> 'Phosphorus(chronic)=applies only above the Inorganic(mglL) Copper TVS NS <br /> facilities listed at 32.5(4). <br /> 'Uranium(acute)=See 325(3)for details. acute chronic Iron(T) — 1000 <br /> "Uranium(chronic)=See 32.5(3)for details. Ammonia TVS TVS Lead TVS TVS <br /> Boron — 0.75 Manganese TVS NS <br /> Chloride — — Mercury(T) — 0.01 <br /> Chlorine 0.019 0.011 Molybdenum(T) — 150 <br /> Cyanide 0.005 — Nickel TVS TVS <br /> Nitrate 100 — Selenium TVS TVS <br /> Nitrite — 0.05 Silver TVS TVS • <br /> Phosphorus — 0.11' Uranium varies' varies' <br /> Sulfate — — Zinc TVS NS <br /> Sulfide — 0.002 <br /> III <br /> Department THIS DOCUMENT IS UNCONTROLLED IN HARD COPY FORMAT Doc Id: <br /> SER Date of This Issue--/--/-- Date of Next Review:--/--/-- Page 14 of 73 <br />