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TABLE 4 <br />v <br />°~ <br />0 00 <br />0 o,-i <br />I Iv <br />U I I7 <br />4 T T~ <br />m m mu <br />N <br />I NI <br />,-1 •~ <br />~ u <br />'n E <br />~ o <br />N = <br />rl <br />o~ <br />o~ <br />l~ <br />v <br />a~ <br />N <br />O ~ <br />v E <br />d u ~ <br />?C Y Z <br />U <br />' u s <br />~, r <br />m V , <br />PRIMARY REGULATIONS <br />EPA'S RECOMMENDED <br />MAXIMUM CONTAMINANT LEVELS (MCL'S) FOR WATER <br />Parameter MCL (mg/1) <br />Arsenic 0.05 <br />Barium 1.0 <br />Cadmium 0.01 <br />Chromium 0.05 <br />*Fluoride 2.0 <br />Lead 0.05 <br />Mercury 0.002 <br />Nitrate - Nitrogen 1,0 <br />Selenium 0.01 <br />Silver 0.05 <br />*Acceptable fluoride concentration varies as a function of <br />ambient temperature from 1.4 mg/1 to 2.4 mg/1. <br />