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Post-operational runoff control was discussed in Exhibit E, <br />• <br />Reclamation Plan. <br />In order to insure that water quality standards are noi: exceeded <br />during mining operations, the Cotter Corporation conducts a regularly <br />scheduled self-monitoring program of the water discharged into Ralston <br />Creek. This monitoring program, outlined in Table G-1, is conducted <br />according to the technical guidelines established by the Water <br />Quality Control Division, Colorado Department of Health. <br />Table G-1 <br />Effluent Parameters and Technical Guidelines For <br />Water Quality tonitoring Programd,e <br /> <br />Effluent Parameter Discharge Limitations Measurement requency Sample Type <br />30-day Avg. Daily P4ax <br />Flow (mg/c) <br />Total Suspended <br />' sol1~ids (m /1) <br />20a <br />30b <br />BOD5 (mg/l~ l0a 15b <br />' Iron (mg/1) 0.5 1.0 <br />Manganese (mg/1) 0.05 0.10 <br />Uranium, hg/1) 3.0 5.0 <br />Lead (mg/1) 0.05 0.10 <br />Zinc (mg/1) 0.5 1.0 <br />Barium (mg/1} 1.0 2.0 <br />Cadmium (mg/1) 0.05 0.10 <br />Arsenic (mg/1) 0.5 1.0 <br />i <br />Oil andd Grease (mg/1) 10 10 <br />i <br />Radium~2E (pCl/1) 3 10 <br />Fecal Coliforms (units/ml) (see footnote C) <br />Magnesium (mg/1) Not Specified <br />pH 6.0 to 9.0 <br />Gross Alpha (pCi/1) Not Specified <br />hblybdenum (mg/1) Not Specified <br />Sulfate Not Specified <br />Weekly <br />Quarterl~~ <br />Quarterly <br />Quarterly <br />Quarterl~~ <br />Monthly <br />Quarterly <br />Quarterly <br />hlonthly <br />Semi-annually <br />Quarterly <br />Daily <br />Monthly <br />Quarterly <br />Quarterly <br />Daily <br />Quarterly <br />Quarterly <br />Quarterly <br />Grab <br />Grab <br />Composite <br />Composite <br />Composite <br />Composite <br />Composite <br />Composite <br />Composite <br />Composite <br />Ccmposite <br />Visual Obser: <br />Composite <br />Grab <br />Composite <br />Grab <br />Compositq <br />Composite <br />Composite <br />G-2 <br />