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COLORADO DEPARTMENT of HEALTH <br /> UPPER ANIMAS RIVER STUDY <br /> Placer Gulch: <br /> Sites are ordered from headwaters downstream <br /> A20 is equivalent to SGC site PG115 (tracer monitoring site) <br /> A21A is equivalent to SGC site Pi <br /> Sample CORD um/1 3/1 u3/1 um/1 um/1 u1/1 <br /> Site Date Q(cfs) Q(mgd) PH umbos dFe dNn dPb dCu dZn dCd <br /> b� <br /> i <br /> A23 09/10/91 0.820 0.530 6.73 148 60 480 19.00 BDL 300 0.60 <br /> 06/25/92 7.500 4.847 5.06 ND RD ND BDL 9.00 1100 3.90 <br /> 10/15/92 0.217 0.140 7.9 ND ND ND 6.300 5.00 1200 2.90 <br /> A22 09/10/91 1.270 0.821 6.58 165 15 440 14.00 6.00 930 1.60 <br /> 06/25/92 11.600 7.497 6.20 ND ND ND BDL 36.00 1300 5.10 <br /> 10/15/92 0.210 0.136 8.05 RD ND ND 8.700 9.00 1300 2.90 <br /> 07/20/93 5.750 3.716 6.85 80 BDL ND BDL 18.00 680 1.75 <br /> A21A 09/10/91 0.044 0.028 3.58 374 7600 7300 370.00 280.00 5200 17.00 <br /> 06/25/92 0.046 0.030 4.12 ND 9100 ND 680.00 460.00 4700 20.00 <br /> 10/15/92 0.001 0.001 8.80 ND ND ND BDL BDL BDL BDL <br /> A21 09/10/91 1.420 0.918 6.20 117 64 860 21.00 26.00 1200 2.80 <br /> 06/25/92 9.100 5.881 6.23 ND ND ND 5.000 42.00 1300 5.00 <br /> 10/15/92 0.347 0.224 6.12 ND ND ND 6.200 18.00 1200 2.50 <br /> 07/20/93 5.140 3.322 6.50 90 BDL ND BDL 20 740 2.15 <br /> A20 09/10/91 2.290 1.480 4.95 130 110 670 16.00 25.00 1000 2.70 <br /> 06/25/92 14.100 9.112 6.38 ND ND 1900 BDL 22.00 950 3.80 <br /> 10/15/92 1.200 0.776 5.60 ND ND ND BDL 18.00 1000 2.10 <br />