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~. <br />~, <br /> TAHLE 4. 3-13WAT-`A QUALITY PARA`SETERS SIG:IIFICA27'I' 70 CASTE DISPOSAL AS <br /> TRAPPER NINE <br /> _ National Interi3 Pri:..a ry Drinking crater Standardsc . <br /> Arsenic 0.05 mg/p <br /> Barium ~ 1.0 mg/p <br /> Cadmium 0.01 mg/p <br /> Chromium 0.05 mg/p <br />A Lead 0.05 mg/E <br /> Mercury 0.002 mg/p <br /> Nitrate (as N) 10.0 mg/p <br /> Selenium 0.01 mg/p <br /> Silver 0.05 mg/p <br /> Fluoride 2.4 mg/p 2 <br /> Proposed National Secondary Drinking water Regulat ions <br />..qqq Chloride 250 mg/p <br /> Copper 1 mg/p <br /> Iron 0.3 mg/p <br /> Manganese ~ 0.05 mg/p <br /> pH 6.5 - 8.5 <br /> Sulfate 250 mg/p <br />'~ YDS 500 mg/p <br />,i• Zinc 5 mg/p <br /> Limits for Irrigation Use of Continuously-Used I:ater° <br /> Aluminum 5.0 mg/p <br />~ Arsenic 1.0 mg/p <br /> Beryllium 0.10 mg/p <br /> Moron 0.75 mg/p <br /> Cadmium 0.01 mg/p <br /> Chromium 0.10 mg/p <br />3 Cobalt 0.05 mg/p <br /> Copper 0.2 mg/p <br /> Fluoride 1.0 mg/p <br /> Iron 5.0 mg/p <br />u, Lead 5.0 mg/p <br /> Lithium 2.5 mg/p <br /> Manganese ~ 0.2 mg/p <br /> '.!olyhdenum 0.01 mg(p <br /> Nickel 0.2 mg/p <br /> Selenium 0.02 mg/p <br /> L'anadiua 0.10 erg/p <br /> 21ne 2.0 mg/p <br />~ TDS 5000 ag/p <br /> pH 4,5 - 9.0 <br /> 1. Federal Re ¢stc r, 3G DeteaSer 1975 <br />y~ 2, Based on annual averacz ter..ozracure of 43'F <br /> 3,Fzderal Recis[er, 31 :larch 1977 <br /> 4.NA-199, p 339 <br />T <br />'t. <br />J <br />s, 4-5 7 <br />~ -- - <br />