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<br />COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division
<br />Rationale - Page 12. Permit No. CO-0026981
<br />APPENDIX A
<br />1. Discharge Monitoring Report Data, Federal Resources, Inc.
<br />Data is summarized for the first quarter 1983 through the first quarter 1986. The
<br />average reported data is the average of the reported average quarterly values.
<br />Previous Discharge Point 001 Previous Discharge Point 004
<br />Parameter Average Min./Max. Parameter Average Min./Max.
<br />Flow, MGD 2.83 0.415/6.43 Flow, MGD 0.664 0.081/3.15
<br />pH, s.u. N/A 7.4 /8.4 pH, s.u. N/A 7.49 /8.6
<br />TSS, mg/1 6.6 1.0 /64 TSS, mg/1 10.5 0.8 /95.1
<br />o/c, mg/1 Nvs;s* Nvs/xvs o/c, mg/1 xvs;z.z* Nvs/NVs
<br />TDS, mg/1 1251 868!1442 TDS, mg/1 1137 780/1354
<br />Cu, mg/1 0.012 0.0/0.130 Cu, mg/1 0.012 0.0/0.105
<br />Pb, mg/1 0.083 0.0/0.926 Pb, mg/1 0.137 0.002/0.782
<br />Hg, ug/1 0.019 0.0/0.70 Hg, ug/1 0.031 0.0/1.2
<br />Zn, mg/1 0.416 0.177/1.89 Zn, mg/1 0.454 0.17411.31
<br />T. Alkalinity, T. Alkalinity,
<br />mg/1 as CaC03 45* mg/1 as CaC03 49*
<br />COD, mg/1 0* COD, mg/1 3.45*
<br /> Cd, mg/1 0.0017 0.0/0.0063
<br /> CN, mgll 0.0045 0.0!0.102
<br />NVS = No visible sheen
<br />* = From one sample collected for the permit application received 8/21/86
<br />2. State Sampling Data, Federal Resources, Inc.
<br />Data is summarized for the collection dates of 11!3/82, 6/18/84, 11/19/84 and
<br />6/17/85 for the two discharge points.
<br />Previous Discharge Point 001 Previous Discharge Point 004
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<br />Parameter Average Min./Max. Parameter Average Pfin./Max.
<br />Flow, MGD 1.32 0.24 /2.04 Flow, MGD 0.43 0.226/0.666
<br />D.O., mg/1 6.03 5.8 /6.2 D.O., mg/1 7.4 6.8 /8.1
<br />Temp., °F 56.4 52.0/60.8 Temp., °F 48.8 41.0/59.0
<br />pH, s.u. 6.87 6.6 /7.1 pH, s.u. 6.97 6.9 17.1
<br />TSS, mg/1 K 13 K 10 /18 TSS, mg/1 K22.5 K 10 /60
<br />0/G, mg/1 K10;NVS K 10/K 10 0/G, mg/1 K10 NVS K 10(K 10
<br />Cu, mg/1 0.053 0.015/0.089 Cu, mg/l 0.090 0.013/0.18
<br />Pb, mg/1 0.144 0.021/0.31 Pb, mg/1 0.390 0.034/1.3
<br />Hg, ug/1 K 0.5 K 0.5/K 0.5 Hg, ug/1 K 0.5 K 0.5/K 0.5
<br />Zn, mg/1 0.838 0.27/1.4 Zn, mg/1 0.69 0.4210.91
<br />Cd, mg/1 0.0368 0.0016/0.072 Cd, mg/1 0.017 0.0026/0.039
<br />NVS = No visible sheen
<br />K Less than
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