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Table 5b. Surface Water Quality Data for Bear Creek <br />"" <br />r-Anal e u = " <br />=NICE Bear Creek=@ Highway <br />50 (6C=1 `Bear Gr"eek @ Higtway120' <br />:= BC 2 _ ';-" <br />Temperature (°C) NA 19 24 <br />PH std, units 6.5-8.5° 7.6 7.9 <br />Nitrate as N 10a 1.76 1.52 <br />Total Coliform MPN / 100mL) 1° 11000 3000 <br />S ecific Conductance (us/cm) NA 2080 2440 <br />Total Dissolved Solids 1.25 X bkg 2000 2400 <br />Total Sus ended Solids NA 2.0 33 <br />Hardness NA 1000 1500 <br />Co er 0.2° 0.20 U 0.20 U <br />Lead 0.05° 0.50 U 0.54 <br />Iron 0.3' 0.50 U 1.1 <br />Chloride 250° 17.5 15.6 <br />Fluoride 2.0° 1.20 1.09 <br />Phos hate NA 10.0 U 10.0 U <br />Sulfate 250b 1070 1510 <br />Dissolved Ox gen NA 8.43 8.08 <br />Biochemical Ox en Demand NA 2.0 U 2.0 U <br />Notes: <br />U -indicates that the analyte was analyzed for but not detected. Detection limit is numeric value shown. <br />All units are in mg/L unless noted otherwise. <br />Source: K-S, June 2000 <br />a) MCL source: Table 1 Human Health Standards <br />b) MCL source: Table 2 Secondary Drinking Water Standards <br />c) MCL source: Table 3 Agricultural Standards <br />Page 1 of 1 J:\Holcim\GMP Tables\Surface Water Sampling.xis <br />