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<br /> <br />TABLE 2 <br />Secondary Drinking Water Standards <br />Contaminants Level <br />Chloride (C1)d 250 mg/1 <br />Color 15 color units <br />Copper (Cu)d 1 mg/1 <br />Corroeivity Noncorrosi ve <br />Foaming Agents 0.5 mg/1 <br />Iron (Fe)d 0.3 mg/1 <br />Manganese (Mn)d 0.05 mg/1 <br />Odor 3 thresho ld odor <br /> numbers <br />pH 6.5 - 8.5 <br />Sulfate (SO4)d 250 mg/1 <br />Zinc (Zn)d 5 mg/1 <br /> TABLE 3 <br /> Agricultural Standards <br />Contaminants Level <br />Aluminum (A1)df 5.0 mg/1 <br />Arsenic (As)d 0.1 mg/1 <br />Beryllium (Be)d 0.1 mg/1 <br />Boron (B)d9 0.75 mg/1 <br />Cadmium (Cd)d 0.01 mg/1 <br />Chromium (Cr)d 0.1 mg/1 <br />Cobalt (Co)d 0.05 mg/1 <br />Copper (Cu)d 0.2 mg/1 <br />Fluoride (F)d 2.0 mg/1 <br />iron (Fe)d 5.0 mg/1 <br />Lead (Pb)df 0.1 mg/1 <br />Lithium (Li)dh 2.5 mg/1 <br />Manganese (Mn)d 0.2 mg/1 <br />Mercury (Hg)df 0.01 mg/1 <br />Nickel (Ni)d 0.20 mg/1 <br />Nitrite (NO2 -N)df 10 mg/1 as N <br />Nitrite & Nit rate (NOZ +NO3 -N)df 100 mg/1 as N <br />Selenium (Se)d 0.02 mg/1 <br />Vanadium (V)d 0.1 mg/1 <br />Zinc (Zn)d 2.0 mg/1 <br />pH 6.5 - 8.5 <br />- l5 - <br />