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• <br />PART V - NPDES DISCHARGE DATA <br />Table 8 lists the NPDES discharge points and respective limits. <br />Comments: <br />MF002 - Mayflower Mill Discharge. <br />Table 16 and Table 17 give average discharge values for 1990 <br />and 1991 respectively. The mill met most permit limits in <br />1990 excent for biomonitoring. A TRE is currently underway <br />to determine the cause of intermittent toxicity to Fat Head <br />Minnows and Ceriodaphnia dubia. <br />AT004 - American Tunnel Discharge. <br />Table 18 and Table 19 give average discharge values for 1990 <br />and 1991 respectively. Figures 5, 6, and 7 show trends in <br />water quality and quantity. The mine consistently met all <br />permit limits except biomonitoring in 1990. A TRE is <br />currently underway to find the cause of toxicity to <br />Ceriodaphnia dubia. <br />TT002 - Terry Tunnel Discharge. <br />Table 20 gives average discharge values for 1990. Figures <br />8, 9 and 10 show trends in water quality and quantity. The <br />Terry Tunnel met most permit limits in 1990 during the <br />monitoring season. <br />PART VI - WATER MONITORING SCHEDULE 1991: <br />No changes are planned in monitoring sites. The company will <br />continue to add to available data as needed. <br />