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1 <br /> <br /> <br />II <br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br />~i <br /> <br />I <br />L~ <br /> <br />f <br /> <br />°9. 1/2 <br /> TA9LE 22 <br /> SUMMARY OF WATER QUAL ITY DATA <br /> Yampa River alluvium <br />Parameter Mean St.Dev. Max. Mtn. Units No. Period <br />PHYSICAL PROPERTIES <br />Conductivity 4810 3320 90LQ 160 umhos/cm 14 6/82-12/83 <br />-~ pN -~ 63> 0.31 'S.2(U 7:~~ -- 14 6/82-L2/83 <br />Alkalinity as CaC03 420 21 458 346 mg/L 14 6/82-12/83 <br />Hardness as CaCD3 1 0 <br />Q 878 28a0 5a8 mg/L la 6/82-12/83 <br />Solids, dissolved a50 3420 8810 LL00 mg/L 14 5/82-!2/83 <br />CATIONS <br />Calcium 263 L88 477 87 mg/L 6 6/82-12/82 <br />Magnesium ~3 113 400 116 mg/L 6 6/82-12/82 <br />Sodium ~7]~ 722 1690 128 mg/L 6 6/82-L2 /82 <br />Potassium 3.9 2.5 6.6 L.2 mg/L 6 5/82-L2 /82 <br />ANIONS <br />8icarhonates as HC03 520 53 670 422 ma/L <br />Carbonates as C03 0 0 0 0 mg/L <br />Chloride 230 268 778 48 mg/L <br />Sulfate 2480 2080 5130 442 mg/L <br />PRIMARY DRINKING WAT ER <br />Arsenic <3.3 2.1 6 <2 ug/L <br />Barium <370 410 1200 <200 ug/L <br />Cadmium <6.5 2.4 10 <5 ug/L <br />Chromium <23 9 40 <20 ug/L <br />lead <43 30 L00 <20 ug/L <br />Mercury <1 0 <1 <L ug/L <br />Selenium <10 7.1 21 <2 ug/L <br />SECONDARY DRINKING WATER <br />Copper <22 4 30 <20 ug/L <br />Zinc 34 22 14 15 ug/L <br />MISC. TRACE METALS <br />Aluminum 770 56D 1500 300 ug/L <br />Boron 310 67 360 180 ug/L <br />vj Molybdenum <200 0 200 <200 ug/L <br />Nickel <35 23 70 <20 ug/L <br />MINOR CONST[T. <br />Fluoride 0.56 0.22 0.88 0.25 mg/L <br />Iron <0.42 0..62 20.0 <0.02 mg/L <br />Manganese 0.89 1.00 ~ 2.34 0.02 mg/L <br />Sulphide <0.2 0 <0.2 <0.2 mg/L <br />NUTRIENTS <br />Nitrogen,N03+NO2 <0.95 0.91 2.65 <0.02 mg/L <br />Nitrogen,Ammonium as N <0. 47 0.40 1.30 <U.02 mg/L <br />Phosphate, drtho as P<0.023 0.013 0.04 <U.O1 mg/L <br />Phosphate, total as P ~ mg/L <br />ORGANICS <br />Cyanide <O.D03 0.006 0.021<0.002 mg/L <br />u =mitre <br />A11 parameters total unlass otherwise indicated. <br />No fte td data includ ed. <br />14 6/82-12/83 <br />14 6/82-12/83 <br />14 6/82-12/93 <br />la 6/82-L2/83 <br />6 6/82-12/82 <br />6 6/82-12/82 <br />6 6182-12/82 <br />6 6/82-L2/82 <br />6 6/82-L2 /82 <br />9 6/82-12/82 <br />6 6/82-12/82 <br />6 6/82-12/82 <br />6 6/82-12/82 <br />6 6/82-12/82 <br />6 6/82-L2/82 <br />6 6/82-L2/82 <br />6 6/82-12/82 <br />14 6/82-12/83 <br />14 6/82-12/83 <br />fi 6/82-12/82 <br />14 6/82-12/83 <br />14 6/82-12/83 <br />11 6/82-12/83 <br />fi 6/82-12/82 <br />14 6/82-12/83 <br /> <br />