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6.1: Approximately 240,000 cu. ft. of waste rock will be left over. Which will cover an <br />area of 100ft. x 100ft. x 24ft. thick. None to be backfilled. Monitor wells have been <br />drilled. No ground water was detected at the time of drilling. 4-10-10 through 4-13 -10. <br />o'a'f Jve nit eY 5t ©p! f? ?e, <br />6.1:No, _ ,I , ? oOvPrkr?r?n <br />9.0: Rimrock Exploration and Development, Inc. has begun investigation into acquiring <br />piezometers, d e r 7' e-, "a/ , LC)! c e lIC Iv SO CI <br />9.0: Gault Group comment, Rimrock Exploration and Development, Inc. does not see the <br />connection either. <br />Table 1: Please strike the note to Attachment C. The correction should state Attachment <br />D. of the EPP. <br />11.: Rimrock Exploration and Development, Inc. is investigating State certified <br />laboratories to be used for water sample testing. <br />Page 4 <br />11.0: Strike "only" from 11.0. New line should state "Surface water flows in response to <br />significant precipitation events, the majority of which occur during the summer monsoon <br />season." <br />14.2: Water run off management is implemented using retention ponds. Any water run <br />off from the surface materials is directed to and caught in retention ponds, and eventually <br />evaporated. <br />19.0: Three (3) monitor wells have recently been installed to determine groundwater. No <br />ground water has been detected to date. If groundwater is detected, testing will be <br />conducted to comply with DRMS requirements. <br />19.0 Attachment J, section 1.0: Hydrologic Units source: Robson and Banta 1995. <br />Page 5 <br />2.0: Rimrock Exploration and Development, Inc. has drilled 3 monitor wells, which will <br />determine the hydrologic nature of the structures in the area. <br />2.0: Reference Robson and Banta 1995. <br />3.0: Monitor well #1 is located directly north of the portal on the upslope side, and is <br />drilled to a depth of 240 ft. below mine level. Monitor well #2 is drilled in the mid range <br />of the mining area, and is drilled to a depth of 142 ft., which is 80ft. below the mine <br />workings. Monitor well #3 is drilled on the south east end down slope just beyond the