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1 <br /> <br />' TABLE 41 <br /> SU1.IMARV OF WA TER QUALITY DA TA <br /> • d,l liams Fo rk, Downstream <br /> Parameter Mean SC.Oev. Max. Min. Un1ts Na. Period <br /> PHYSICAL PROPERTIES <br />' Conductivity =52 176 600 180 umhos/cm 12 6/81-12/83 <br /> <br />pH <br />9.32 <br />0.25 <br />B. 69 <br />1.94 -- <br />12 <br />6/81-12/83 <br /> Alkalinity as CaCD3 L16 52 223 11 mg/L 12 6/81-12/83 <br />' Hardness as CaC03 <br />Solids, dissolved 22a <br />® 77 <br />92 323 <br />425 86 <br />150 mg/L <br />mg/L 12 <br />12 6/81-12/83 <br />6/81-12/83 <br /> Sands, suspended <105 158 543 <4 mg/L 19 6/81-12/83 <br /> Solids, volatile <ia 20 60 <4 mg/L 11 6/81-L2/83 <br /> CATIONS <br />~ <br />' Calcium 15 65 23 mg/L l2 6/B1-12/83 <br /> Magnesium 24 9 34 7 mg/L 12 fi/81-12/83 <br /> Sodium 23 I1 34 3 mg/L 12 6/B1-12/83 <br /> Pctasstum 1.8 0.9 4.1 0.3 mg/L 12 6/81-12/83 <br />' ANIONS <br /> Bicarbonates as HC03 ~ 63 265 81 mg/L 12 fi/81-12/83 <br /> Czrbanates as C03 4.6 1.5 22.8 0 mg/L 12 6/BL-12/83 <br /> Chloride <3.5 i.6 6 <L mg/L 12 6/81-12/83 <br />' Sulfate 81 39 144 21 mg/L 12 6/BL-L2/83 <br /> PRIMARY DRINKING WAT ER <br /> Arsenic <2.1 1.1 5 <1 ug/L 12 6/81-12/83 <br />' Barium <220 60 400 <200 ug/L 12 6/B1-12/83 <br /> Cadmium <5 0 5 <5 ug/L l2 fi/81-12/83 <br /> Chromium <20 0 20 <20 ug/L 12 6/81-12/83 <br /> Lead <37 21 10 <20 ug/L 12 6/81-12/83 <br /> Mercury <1 0 <1 <1 ug/L 12 6/81-12/83 <br />' Selenium <2.5 2.5 <IO <1 ug/L 12 6/81-12/83 <br /> SECONDARY DRINKING WATER <br /> Capper <2.0 0 20 <20 ug/L 12 6/81-12/83 <br />' Zinc <14.3 11.5 39 <5 ug/L 12 6/81-12/83 <br /> MISC. TRACE METALS <br /> Aluminum <590 610 2100 <200 uq/L 12 6/81-12/83 <br /> Boron <la7 L54 580 <20 ug/L 12 6/81-12/83 <br />' Ma lybdenum <190 30 <200 <100 ug/L 12 6/81-12/83 <br /> Nickel <22 6 40 <20 ug/L 12 6/81-12/83 <br /> MINOR CONST[~. <br />Fluoride <br />0.15 <br />0.10 <br />0.31 <br />0.03 <br />mg/L <br />12 <br />6/81-12/83 <br />' Iran 3.08 4.21 11.9 0.11 mq/L L2 6/81-12/83 <br /> Manganese <0.05a <0.041 0.10 <0.02 mg/L L2 6/81-12/83 <br /> Sulphide <0.2 0 <0.2 <0.2 mg/L L2 6/B1-12/83 <br />' NUTRIENTS <br /> N itrogen,N03+N02 <0.048 0.039 0.15 <0.02 mg/L 12 6/81-12/83 <br /> Nitrogen,Ammonium as N<O.L6 0.31 1.12 <0.02 mg/L 12 6/B1-12/83 <br /> Phosphate, ortho as P<0.093 0.13 0.38 <0.02 mg/L 8 3/82-12/83 <br />' Phosphate, total as P <0.31 0.32 0.14 <0.03 mg/L 4 6/81-3/82 <br /> ORGANICS <br /> Cyanide <0.003 0.002 0.010<0.002 mq/L 12 6/81-12/83 <br />' u -micro <br /> All parameters total unless o therwise indicated. <br />' NO field data includ ed. <br />1 <br />