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1~ <br />1 <br />1 <br />1 <br />1 <br /> <br /> <br />1 <br />1 <br /> <br />1 <br />1 <br />1 <br />1 <br /> <br /> <br /> <br /> <br />TABLE 36 <br />SUMMARY OF WA QUALITY pATq <br />83 <br />Yampa Ri pstream <br />Parameter ,Mean SC.Oev. Max. Min. Units <br />PHYSICAL PROPERTIES <br />Conductivity 418 252 120 110 umhos/cm <br />pH 8.0 0.3 8.4 1.8 -- <br />alkalinity as CaC03 99 42 132 3B mg/L <br />dardness as CaC03 ~1,5~ 89 249 40 mg/L <br />Solids. dissolved 68 185 505 75 mg/L <br />Solids, suspended <2a 38 80 <4 mg/L <br />Solids, volatile <6 4 L2 2 mg/L <br />CdTI0N5 <br />Calcium s5 IB 52 11 mg/L <br />Magnesium 15_5 11 29 3 mg/L <br />indium X0:8) 22.8 SB 3 mg/L <br />Potassium 1-6 0.9 2.4 0.4 mg/L <br />au1DNs <br />3icarbonates as HC03 119 <br />~ 50 L61 a6 mg/L <br />Carhonates as C03 t:8 3.6 1.2 0 mg/L <br />Chloride 9. 5.a la 2 mg/L <br />Sulfate L07 86 220 19 mg/L <br />PRIMARY DRINKING WAT ER <br />Arsenic <2 0 <2 <2 ug/L <br />Barium <200 0 200 <200 ug/L <br />Cadmium <5 0 <5 <5 ug/L <br />Chromium <20 0 20 <20 ug/L <br />Lead <32 15 50, <20 ug/L <br />Mertu ry <1 0 <1 <1 ug/L <br />Selenium <2.5 L 4 <2 ug/L <br />SECONDARY DRINKING WATER <br />Copper <20 0 <20 <20 ug/L <br />Zinc <9.5 6.L 13 <5 ug/L <br />MISC. TRACE METALS <br />Aluminum <450 210 100 <200 ug/L <br />Boron 90 29 130 fi0 ug/L <br />Molybdenum <200 0 <200 <200 ug/L <br />Nickel <28 15 50 <20 ug/L <br />MINOR CONSTIT. <br />Fluoride 0.10 0.01 O.11 0.04 mg/L <br />Iron 0.94 O.aa 1.47 0.57 mg/L <br />Manganese 0.055 0.026 0.09 0.04 mg/L <br />Sulphide <0.2 0 <0.2 <0.2 mg/L <br />NUTRIENTS <br />Nitrogen,N03+N02 <0.28 0.30 0.65 <0.02 mg/L <br />Nitrogen,Ammonium as N<0.075 0.015 0.18 <0.02 mg/L <br />Phosphate, prtho as P<0.025 0.01 0.04 <0.02 mg/L <br />ORGANICS <br />Cyanide <0.002 0 <0.002<0.002 mg/L <br />u = nitro <br />A11 parameters total unless otherwise indicated. <br />No field data included. <br />No. Period <br />a 3/83-L2/83 <br />a 3/93-L2/93 <br />a 3/83-L2/83 <br />3 3/83-12/83 <br />4 3/83-12/83 <br />a 3/83-L2 /83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />a 3/83-12/83 <br />a 3/83-12/83 <br />a 3/83-12/83 <br />a 3/83-12/83 <br />4 3/83-12/83 <br />a 3/83-L2/83 <br />a 3/83-12/83 <br />a 3/83-12/83 <br />a 3/83-12/83 <br />a 3/83-12/83 <br />a 3/83-L2/83 <br />4 3/83-L2/83 <br />a 3/83-12/83 <br />a 3/83-L2/83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />a 3/83-L2/83 <br />4 3/83-L2/83 <br />a 3/83-12/83 <br />4 3/83-L2/83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />a 3/83-12/83 <br />4 3/83-12/83 <br />4 3/83-12/83 <br />1 <br />