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TABLE 18 <br />RECOMMENDATIONS FOR LEVELS OF TOXIC SUBSTANCES IN DRINKING <br />WATER FOR LIVESTOCK <br />• <br />J <br />Constituent Unrer Limit <br />ill uminum (A1) 5 m~l <br />Arsenic (As) 0.2 m~l <br />Beryllium (]3e) no data <br />3oron (i3) 5.0 m~l <br />Cadnium (Cd) .05 m~l <br />Chromium (Cr) 1.0 ng~l <br />Co-oalt (Co) 1.0 mg~l <br />Copper (Cu) 0.5 rry;~l <br />Fluoride (?) 2.0 ug~l <br />Iron (Fe) no data <br />Lea3 (Pb) 0.1 mg~l <br />I~~~anese (h1n) no data <br />Mercury (Iig) .01 m~l <br />I6olybdenum (1•i0) no data <br />Piitrate + Nitrite 100 mg~l <br />(N03 ihli02 iJ) ~ <br />t+itrite (]JOZ N) 10 mg~l <br />Selenium (Se) 0.05~r.~1 <br />Vanadium (V) ~ 0.10 m~l <br />'Line (Zn) 2G rg~l <br />Total .,/ <br />J <br />~ <br />Dissolved (TDS) 10 000 mfq/1 <br />Solids <br />1/ <br />2/ <br />Source: <br />Lead is accumulative and problems may begin at threshold value = 0.05 mg/l. <br />See Table 12. <br />Environmental Studies Board. Nat. Acad. of Sci.,Nat. Acad. of Eng. <br />Water Quality Criteria 1972 <br /> <br />.. _ .:^+r~911 <br />