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• TABLE 9 <br />Comparison of 1991 Ground Water OuaLity With <br />Livestock Drinking Water Standards <br />Chemical Livestock 1991 Maximum Concentrations <br />Parameter Standard GN-N3 GW-N4R GW-N9 GW-N27 <br />Al 5 mg/l < .OS < ,OS < .OS < .OS <br />As 200 ug/l < 10 < 10 < 10 < 10 <br />B 5000 ug/l 380 310 200 290 <br />Cd 50 ug/l < 5 < 5 < 5 c 5 <br />1 <br />Cr 1000 ug/l -- -- -- -- <br />1 <br />Co 1000 ug/l -- -- -- -- <br />Cu 500 ug/l < 10 < 10 < 10 < 10 <br />F 2 mg/l 0.5 0.7 0.8 1.0 <br />Fe No limit 3.4 1.41 X0.38 0.15 <br /> 2 <br />Pb 100 ug/t < 20 110 < 20 30 <br />• Mn No limit 1.24 1.61 1.55 0.56 <br />Ng 10 ug/l < 0.1 < 0.1 < 0.1 < 0.1 <br />Mo No limit 1.0 2.0 < 1.0 1.0 <br />N03/N 100 mg/l .04 < .02 < .02 .O4 <br />N02/N 10 m9/t .O1 < .01 < .01 .01 <br /> 3 <br />Se 50 ug/t < 2 < 5 < 2 < 2 <br />1 <br />V .1 ug/l .- -_ -. -- <br />2n 25 ug/l .02 .02 < .01 .01 <br />Ca 1000 mg/l 490 430 505 567 <br />Mg 500 mg/l 212 723 188 245 <br />504 3000-5000 mg/l 1846 3713 1688 2140 <br />Alk 2000 mg/l 456 564 290 400 <br />TDS_______ _____5000_mg/l_ 3004 6742 3058 3386 <br />1 <br />Parameter not analyzed <br />2Probable analytical error <br />3 <br />Detection limit of 5 ug/1 <br />• McKee and Wolf, 1963; Botz and Pedersen, 1976; and National Academy of Sciences, 1974 <br />19 <br />