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• Table 7-9 <br />Crou nd Water Monitoring Wells rvith Water Quality Parameters Exceeding <br />the Livestock Drinking Water Standards Based on Data from 1985 to Present <br />Livestock Drinking Water Standards <br />Chemical Livestock <br />Parameter Standard Wells Exceeding Standard (ma x.conc.,avg. conc.) <br /> or (avg. conc.) <br />Al 5 mg/1 N14 (12, 5.5), N20 (15.1, 4.94) <br />As 200 ug/1 no exceed <br />R 5000 ug/1 no exceed <br />Cd 50 ug/1 no exceed <br />Cr 1000 ug/1 no exceed <br />Co 1000 ug/1 no exceed <br />Cu 500 ug/7 no exceed <br />F 2 mg/1 N18 (2.1, 1.36), N14 (3.6, 2.16) <br />Fe no limit no exceed <br />Pb 100 ug/1 no exceed <br />Mn no limit no exceed <br />Hg 10 ug/1 no exceed <br />Mo no limit no exceed <br />NO /N 100 mg/1 no exceed <br />• NOZ/N 10 mg/1 no exceed <br />Se 50 ug/1 no exceed <br />V .1 mg/1 no exceed <br />Zn 25 mg/1 no exceed <br />Ca 1000 mg/1 no exceed <br />Mg 500 mg/1 N4 (866), N4R (815), N15 (1247) <br />Na 2000 mg/1 no exceed <br />SO 3000-5000 mg/1 N15 (5705) <br />Alk 2000 mg/1 no exceed <br />TDS 5000 mg/1 N4 (6722), N4R (6368), N15 (7978) <br />McKee and Wolf, 1963; Botz and Pedersen, 1976; and National Academy of Sciences, 1974 <br />• <br />7-36 Revised 04/11/88 <br />