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TABLE 2.5-19 - Comparison of Water ~uolity with Recommended Criteria <br /> Oak Creek Al luvial Wells <br /> p <br />u[ <br />aOWh <br /> Number OK- I OK-2 <br /> of Criterion* <br /> Species Samples mg/I x N z <br /> Aluminum 15 1.5 ~ 10.0 8 ~ 6.0 <br /> Arsenic 15 0.05 ~ 0.004 0 ~ 0.004 <br /> Borium 15 I.0 ~ 0.29 0 ~ 0.28 <br /> Boron 15 5.0 ~ 0.61 0 0.97 <br /> Cadmium 15 0.01 ~ 0.004 0 X0.005 <br /> Calcium 15 250 84.1 0 248.6 <br /> Chromium 15 0.05 ~ 0.07 (-) X0.07 <br /> Copper 15 0.05 ~ 0.06 (-) ~ 0.06 <br /> Fluorine 15 1.4 0.8 3 0.7 <br /> Iron (dissolved) 12 0.3 ~ 1.48 7 1.31 <br /> Lead 15 0.03 ~ 0.06 2 ~ 0.05 <br /> Magnesium 15 250 26.0 0 111.8 <br /> Manganese 15 0.05 0.71 15 0.78 <br />• Mercury 15 0.002 ~ 0.001 I X0.001 <br /> Nickel IS 0.1 ~ 0.07 3 X0.10 <br /> Nitrate 15 10 ~ 0.85 0 X0.88 <br /> Selenium 15 0.01 ~ 0.002 0 <0.002 <br /> Silver 15 0.05 ~ 0.06 2 X0.04 <br /> Sodium 15 250 41.2 0 101.7 <br /> Zinc 15 0.1 ~ 0.22 8 ~ 0.22 <br />N <br />10 <br />0 <br />0 <br />0 <br />2 <br />8 <br />2 <br />I <br />I <br />0 <br />15 <br />0 <br />6 <br />0 <br />0 <br />I <br />0 <br />10 <br />*Most restrictive criterion based on human consumption or marine life recommended <br />by the Environmental Studies Board, National Acoderny of Sciences and Notional <br />Academy of Engineering in "Water Quality Criteria 1972," EPA-R3-73-033, 3/73. <br />(I) z = arithmetic mean <br />N = number of times recommended value was exceeded <br />(-) = recommended value lower Than sensitivity of laboratory procedure <br /> <br />Revised 7-81 2,5_77 <br />