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• lJn March li of 1986, with reclamation of the mines underway, a <br />request for technical revision to eliminate all hydrologic <br />monitoring except for NPDES permits was submitted. Dn April 15, <br />1986, MLRD approved the revision except far well HRG-I, of which <br />ongoing monitoring was required. Additional data was obtained <br />during the summer of 1986 which allowed this well to be plugged. <br />The well was plugged in the fall of 1986. <br />In addition to the routine groundwater and surface water <br />monitoring, Enron was to maintain 12.7 acre-feet of water in a <br />prescribed reservoir draining to Curtis Creek. This augmentation <br />plan was required by Stipulation No. 8 of the permit until proof <br />could be supplied that no water from the creek was entering the <br />Reinau # 2 Mine. On March 11, 986, information collected over a <br />year period was submitted to MLRD, proving that there was no <br />communication between the creek and the mine. Enron requested a <br />technical revision to drop Stipulation No. 8 from the permit. <br />MLRD granted approval on July 10, 1986. The information on which <br />the decision was based is included Qn ~~ G-Sya th~ou~6. G-$'if. <br />The obsolete augmentation plan is shown in Exhibit G-6 for <br />reference. <br />• <br /> <br />G-IA ,^/-J/Q~ <br />