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• • i F. Stipulations. ' ' 1. Within thirty days of permit approval, the applicant must submit the information to verify that 96,866 tons of coal were mined between May 15, 1978 and August 29, 1979. (/2 .1 B ore beginning minin ig~~_2 the applicant must comply th one of the following options: 1. Sample the overburden in Phase VI - Pit 2 by drilling at least one additional hole to determine if the SAR values for hole LM1B-4 are representative of all Phase VI. Sample the overburden •'`\ from Phase V - Pit 1 to determine if the SAR values for Hole 1 are representative of Phase V. If the overburden SAR values for Phase VI are appreciably higher than for Phase V then the appli- • cant must provide an alternative to using Phase VI overburden to backfill Phase V, and provide for backfilling Phase VI overburden material into the Phase VI pit, or provide a plan for, blending Phase VI material with other overburden material to provide an acceptable quality backfilling material for other areas: If the SAR values for Phase V and Phase VI overburden materials are com- parable, then the applicant must provide a plan for ensuring that postmining SAR values are comparable to premining SAR values to at least the average rooting depth (five feet) below ground level, but the applicant may use Phase VI overburden material to backfill Phase V. 2. Assume hole LM1B-4 adequately characterizes Phase VI and sample only the overburden from Phase V. If there is a'signifi- cant difference in SAR values, then at least one sample of the overburden stockpile west of Pit 1 should be analyzed. If the v SAR values for the overburden stockpile are acceptable, then the applicant shall propose a plan to ensure that all unacceptable .~ ~~' SAR value overburden is buried to at least the average rooting depth (five feet) below ground level with acceptable stockpile material. In addition, the applicant will provide a quantified -11-