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TABLE 2.5-17 - (concluded) <br />• <br /> OK- I OK-2 <br /> Parameter n x a x a <br /> AI mg/I 15 < 10.0 20.0 <16.2(2) 40.1(2) <br /> (< 6.0) (7.0) <br /> Cd mg/I 15 < 0.004 0.007 < 0.005 0.008 <br /> Cu mg/I 15 < 0.06 0.04 < 0.08(2) 0.08(2) <br /> (< 0.06) (0.04) <br /> Dissolved Fe mg/I 12 < 1.48 2.08 1.31 1.23 <br /> Mn rng/I 15 0.71 0.68 0.78 0.64 <br /> Mg mg/I 15 26.0 6.7 111.8 13.8 <br /> Hg mg/I 15 < 0.001 0.00 I <0.001 0.0 <br /> Ag mg/I 15 < 0.06 0.08 <0.04 0.06 <br /> V rng/I 15 < 0.5 0.5 <0.5 0.4 <br /> Zn mg/I 15 < 0.22 0.25 <0.35(2) 0.52(2) <br /> (< 0.22) (0.17) <br />• Pb mg/I 15 < 0.06 0.13 <0.05 0.13 <br /> As rng/I 15 < 0.004 0.001 <0.004 0.002 <br /> Ba rng/I 15 < 0.29 0.23 <0.39(2) 0.48(2) <br /> (< 0.28) (0.24) <br /> Cr+6 rng/I 15 < 0.07 0.03 <0.07 0.03 <br /> Ni rng/I 15 < 0.07 0.06 <0.10 0.09 <br /> Total Fe mg/I 15 24.5 32.2 53.2(2) 60.8(2) <br /> (39.3) (29.1) <br />(I) n = number of sarnples <br />x = arithrnetic mean <br />a = standard deviation <br />(2) One exceedingly high value; average excluding that value in parenthesis. <br />• <br />Revised 7-81 2.5-74 <br />