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INTEROFFICE MEMORANDUM <br />TO: BYI2ON WALKF,R <br />FROM: JANF,.'r BINNS <br />SUBJECT: KI?ENI~SBU M - 981-028, SL03 FIYDROLOGY D}?btONS"1RA'I'ION <br />DATE: 11 /25/2005 <br />CC: DAN FIFRNANDE7. <br />The Division has received an application for a phase II bond release for the Keenesburg Mine. <br />The application was found complete 9/27/2005. After review of the application I determined that <br />the operator had not made a demonstration that the reclaimed area was not contributing additional <br />suspended solids to runoff as required by Rule 3.03.1(3)(b). The operator was requested to <br />provide a demonstration in an adequacy letter dated 11/3/2005. <br />The operator's consultant, Savage and Savage, provided a faxed copy of a Sedimentology Analysis <br />for the Keenesburg Mine on November 22,2005. The baseline Sedimentology demonstration may <br />be fond in the permit in Appendix K. It was presented as a LISLE calculation. The consultant has <br />provided a similaz LISLE demonstration for bond release purposes. <br />Please review the operator's Sedimentology demonstration for compliance with Rule 3.03.1(3)(b). <br />The proposed decision date is December 5, 2005. Please review and provide your comments to me <br />by December 1, 2005. <br />Thank you for your assistance. <br />