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TABLE 15 <br />(Continued) <br /> <br /> A <br /> Site Parameter Standard Date Lab Value <br /> <br /> SN-52Y-SG8 Iron, total 1.0 mg/t 04/05/91 58.0 mg/l <br /> (Baseline data 05/10/91 2.30 mg/l <br /> for proposed Manganese, 1.0 mg/t 04/05/91 1.02 mg/t <br /> NPDES Pond 005) total <br /> Chromium 50 ug/l 04/05/91 100 ug/l <br /> Copper, total 22 ug/t 04/05/91 160 ug/l <br /> recoverable 05/10/91 70 ug/l <br /> Mercury 0.05 ug/l 04/05/91 0.90 ug/l <br /> Zinc 0.05 mg/l 04/05/91 0.46 mg/l <br /> Sulfate 250 mg/t 05/10/91 391 mg/l <br /> Sulfide 0.002 mg/l 05/10/91 0.058 mg/l <br /> NPDES 006 Sulfate 250 mg/l 04/01/91 391 mg/l <br /> 07/11/91 405 mg/l <br /> Mercury 0.05 ug/t 04/01/91 0.20 ug/l <br /> pH 6.5-9.0 04/24/91 9. 15 <br /> 04/30/91 9. 34 <br /> 05/06/91 9. 20 <br /> Iron, total 1.0 mg/l 06/04/91 1.39 mg/l <br /> Ammonia, 0.02 mg/L 07/11/91 0.04 mg/l <br /> un-ionized <br /> Zinc 0.05 mg/l 07/11/91 0.06 mg/l <br /> Note: All sites are in Segment 12; data is provided for comparitive purposes only <br /> A - Analytical type is total recoverable; standard type is total <br /> B - Site is upstream of mining <br />• <br />A-27 <br />