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A. EFFLUENT LIMITATIONS AND MONITORING REQIfiREMENTS ~ <br />2, Duting the period beginning July 1, 1977, and lasting through June 30, 1978 <br />the permittee is authorized to discharge from outfall{s)serial number(s) 001 (mine drainage - Camp Bird No, 14 Level). <br />Such discharges shall be limited and monitored by the permittee as specified below: <br />Effluent Characteristic <br />Discharge Limit,:cions <br />4tonitoring Requirements <br />Weight Concentration <br />kg/day(lbs/day) mg/1 mg11 <br />30-day Avg a/ Daily Max b/ 30-day Avg a/ Daily Max b/ <br />Measurement Sample <br />Frequency Type <br />Floi:-m3/Day(ptGD) N/A N/A !;;A N/A Weekly c/ <br />?Dial Susper~ded•Soiids N/A N/A N/A 30 Monthly Grab <br />Total Zinc tJ/A N/A 0.3 1.0 Monthly Grab • <br />Total Lead N/A N/A 0.06 0.5 Monthly Grab <br />To [al Manganese N/A N/A N/A NIA Monthly Grab <br />Total Copper N/A N/A 0.02 0.5 11onthly Grab <br />Total Iron N/A N/A N/A 2.0 Monthly Grab <br />Total Silver N/A N/A N/A N/A Quarterly Grab <br />Total Cadmium N/A N!A N/A N/A Quarterly Grab <br />The concentration of OI1 and Grease shall not exceed 10 mg/1 in any grab sample nor shall [here be a visible sheen <br />in the effluent. The effluent shall be visually examined weekly for the presence of a sheen or floating ol1 and <br />the results shall be recorded. <br />The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be <br />monitored monthly with a grab sample. <br />There shall be no discharge of floating solids or visible foam in other than trace amounts. <br />Samples taken in compliance With the monitoring requirements specified above shall be token at ttie following • <br />location(s): A[ the point of discharge prior to mixing with any other rioters. <br />- ro -y ro <br />r. :, <br />a/ This Limitation shall be determined by t}~e arithrietic mean of a minimum of three (3) consecutive sarples ~ ~ y <br />taken on separate weeks in a 30-day period (minimum total o: three (3) samples); ~ 4, ~, <br />i <br />b/ This limitation means [lie total discharge by weigh[, or the average concentration, during any calendar° o <br />day. n ~., <br />o _ <br />c1 Welr, flume, or other comparably accurate device or technique, c`"' <br />., <br />u. <br />rs> <br />