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Response to Renewal Adequacy Review Page 2 V. Topsoil 1. MCC is in the process of acquiring the information necessary to revise Map 53 and Table 47 which deal with topsoil stockpile locations and volumes, through aerial photography and mapping presently being completed. This information will be submitted to the Division by December 30, 1992. 2. Updated information regarding both topsoil and subsoil stockpiles locations and volumes will be submitted to the Division by December 30, 1992. 3. Pages 2.053 and 2.054 of the permit document have been revised to include a sampling plan to determine compliance with topsoil depth replacement requirements. See attached revised page. VI. Surface Hydrology lA. MCC is in the process of revising the site drainage control plan. This includes recalculation of all structures which will insure that the plan will comply with the necessary regulation and provide accurate information as to what is located oo the ground. MCC proposes to submit revisions to Map 54 and Tables 43 and 44 by December 30, 1992. 1B. The information requested has been supplied. No response is necessary. 1C. Table 44 is being updated and will be submitted to the Division by December 30, 1992, along with [he updated site drainage control plan. 1D. Culvert survey and specification information will be submitted to the Division by December 30, 1992. 2. A revised drainage control map (Map 54) will be submitted by December 30, 1992. 3. MCC is is the process of verifying that the drainage control system will not be jeopardized by the additional flow, which passes the non-functional portion of the diversion ditch. This information will be submitted to the Division by December 30, 1992. 4. The information requested has been supplied. No response is necessary. 5. Page 2.05-32 of the ezistiag permit provides a discussion of the Sylvester Gulch fan site which demonstrates that the area is not contributing sediment because the metal structure of the building protects the surface from erosion. This demonstration should be sufficient for the Division to determine that the runoff from the building meets effluent standards pursuant to Rule 4.05.2(3). 6. The information requested has been supplied. No response is necessary.