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A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - SEE ANY ADDITIOIIAL REQUIREIIENTS UNDER PARE Ill . <br /> During the period beginning immediately and lasting through June 30, 1987 <br /> the permittee is authorized to discharge from oulfall (s) serial numbers) 002 , 003, 004 , and 005, <br /> the outfalls from the underground mines as shown in Figure 1 , page 19. <br /> I . Effluent Limitations <br /> Effluent Parameter Discharge Limitations <br /> Maximum Weight Maximum Concentration <br /> kg/clay (Ibs/day) mg/I mg/I <br /> 30-day avg. a/ Daily max. b/ 30-day avg. a/ Daily max. c/ <br /> Flow N/A N/A N/A • N/A <br /> "Total., Iron N/A N/A . '0.4 <br /> Total Suspended <br /> Solids N/A N/A 35 'r, <br /> Salinity f/ N/A N/A `N/A N/A <br /> Oil and grease shall not exceed 10 mg/1 b/ in any grab sample nor shall thee be a visible sheen. If a <br /> visible sheen and/or Floating oil is observed, the permittee shall take corrective action immediately. <br /> the pll shall not be less than 6.5 standard units nor greater than 9.0 standard units c/ <br /> a/ This limitation shall be determined by the arithmetic mean of a minimum of three (3) <br /> samples taken on separate weeks in a 30-day period (minimum total of three (3) samples) ; <br /> b/ this limitation means the total discharge by weight during any calendar day, as determined by an of v <br /> 8-hour composite sample. F1 a -A <br /> - <br /> c/ This limitation shall be determined by a single properly preserved sample as required o o� <br /> under monitoring requirements - Sample Type. <br /> c-1 N <br /> O O <br /> O <br /> O <br /> O <br /> O <br /> w <br /> lD <br /> m <br />