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l - <br />T A B L E III <br />N B T A L P A R A M E T 8 R 5 <br />(Concentrations in ug/1) `~ <br /> DRINKING <br />METAL( ) AQUATIC LIFB (1)(3)<4)(J) AGRIC[)LTURE(2) WATER- <br /> SUPPLY(2) <br /> Acute = 750 <br />Aluminum <br /> Chronic = 87 <br />Antimony 14 <br /> (30-day) <br /> ~ACUte = 360 <br />Arsenic 100(~> 50(E> <br /> Chronic = 150 (30-day) (1-day) <br /> <br />Barium I <br />1,000(E> <br /> (1-day) <br />Beryllium 100(p•e) ~ I 0.0076 <br /> (30-day) ~ (30-da <br /> Acute = e()•)28 [ln(herdness)]-2.905) <br />Cadmium "(Trout) = e()•)28[ln(herdness)]-3.828) 10(9) 10(E) <br /> Chronic = e(0.7852 (ln(herdness)]-3.<90) (30-day) (1-day) <br /> Acute = e(0.819C1n(herdness)1«3.688) 100(8) 50(E) <br />Chromium III(5) <br /> Chronic = e(0.819[ln(herdness))+1.561) (30-day) (1-day) <br /> Acute = 16 100(8) 50<e) <br />Chromium VI(5) <br /> Chronic = 11 (30-day) (1-day) <br /> ACUte = ~(0.9422[ln(herdness))•0.7703) 200(8) 1,000(F) <br />Copper 2 <br /> Chronic = e(0.8545[ln(hardness))-1.465) (30-day) <br />Iron Chronic = 1,000(tot.rec.)(~•~> 300(dis)(F <br /> (30-day <br />(continued on next page) <br />- 49 - <br />