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<br />Renner <br />Page 2 <br />June 25, 1986 <br /> <br />PCC believes that monthly monitoring of Site SW-S2-6 ~ <br />concurrently with Spoils Spring #1 located immediately <br />above Sedimentation Pond 004 (apparently referred to in <br />your letter as the "004 spring"), is sufficiently <br />adequate to more fully quantify the effects of spoil <br />discharges to Fish Creek via its unnamed tributary <br />("Cow Camp Creek"). Per the mid-term permit review, <br />surface water monitoring at site SW-S2-6 consists of <br />monthly (March through October) monitoring of <br />instantaneous flow, pH, conductivity and temperature <br />including tri-annual (prerunoff, postrunoff and <br />baseflow) sampling of full suite surface water <br />parameters. Spoils Spring #1 will be incorporated this <br />June into the same monitoring program as described <br />above for Site SW-S2-6. In addition, PCC continues to <br />monitor the 004 pond discharge point continuously for <br />flow, ~areek]y for _P~_temperature, conductivity and <br />tota]_ suspended solids, mc~y--for total iron and <br />total dissolved solids and tri-annually {and <br />concurrently) for the same full suite parameters as for <br />Site SW-S2-6. PCC believes that this monitoring <br />program will adequately quantify any salt loading to <br />Fish Creek and requests that the monitoring frequency <br />be monthly (March through October) instead of the <br />bi-weekly frequency requested in your comments of April <br />24, 1986. <br />As stated above, Spoils Spring #1 will be incorporated <br />this June into the same monitoring program as SW-S2-6. <br />It is our understanding that spring should be sampled <br />and analyzed for the surface water parameter list (per <br />CMLRD Hydrology Guidelines, 9-16-1982), rather than the <br />ground water parameter list as requested in your letter <br />of 4-16-86. <br />Surface Water <br />In future AHRs, surface and ground water system maps <br />will be individually presented. <br />Except for rare occasions when weather conditions <br />prohibit, same day monitoring of individual streams has <br />been and will continue to be practiced. During 1985, <br />there was no instance when same day monitoring did not <br />occur. <br />