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25. Access Roads and Light Duty Roads <br />This issue has been resolved (see response to Item 2 of the PAR for the 2-10.93 <br />submittal). The statement remains as noted. <br />26. Truck Loadout <br />The trucks will utilize the exi st(n9 [rein Loadout. <br />27. Sewage Treatment <br />Page 7 has been revised to clarify the wording. <br />HYDROLOGICAL MONITORING PLAN <br />28. Location of Upgradient Shallow Nell <br />Hells HGDALI (upgradient) and HGDAL2 (downgradient) have been plotted on revised <br />Exhibit 12-2, which is a larger scale (1 inch = 100 feet) map. This map reference <br />for the wells has been incorporated in the text for Tab 13 (pages, I, 3 and 5), <br />Hydrologic Monitoring Program. A PCC field hydrologist sounded, purged and sampled <br />the wells on December 19 end 20, 1992. Based on sounding end surface elevation <br />estimates from Exhibit 12-2, the two wells are completed to elevations within 5 feet <br />of each other. Since there must be some amount of dip in the downgradient <br />direction, the well completions appear to be comparable. An evaluation of the <br />chemistry data for the two wells presented in Tab 7, Tables 7-1 and 7-2 indicates <br />that the wells have ident icel water types (N eMg50`) and the relative percentages of <br />the major cations and anions ere very close. For this comparison, the 7/21/89 and <br />9/20/90 water quality analyses were used for wells HGDALI and HGDAL2, respectively. <br />These particular analyses were selected because the anion/can on balance error was <br />minimal end [he TDS ratio (grav/talc) was within 70 percent of 1.0. HGT concludes <br />that the wells will reasonably tharacte rize [he ground water movement and chemistry <br />in the alluvium and shallow Lewis shale in the upgradient and downgradient vicinity <br />of the Loadout. <br />The locations of stream site HGD52 and MPDES 001 and NPDES 002 have been replotted <br />on Exhibits 12-1 and 12-2. A review of the locations of wells HGDALI and HGDAL2 on <br />1 inch = 100 foot scale maps indicate well HGDALI is located below the outf all from <br />Pond 001 and HGDAL2 is located above the outfall from Pond 002. <br />29. Surface and Ground Hater Monitoring <br />8 <br />