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Cumulative Hydrolo is Impact Statement A Cumulative Hydrologic Impact Statement (CH IS) was completed for Southfield Mine and considers the hydrologic impacts of all anticipated mining and reclamation activities in the area of the mine during the current permit term. This CH IS is available in company with the current versions of other such studies under a separate cover in the Permit Application files of the Division. Pursuant to Rule 2.07.6 (2)(c) and in consideration of the absence of demonstrated significant hydrologic impacts by the anticipated mining and reclamation operations in the study area, either individually or cu milatively, the Division finds the proposed Southfield Mine operation to have been designed to prevent material damage to the hydrologic balance outside the proposed permit area. IX. Climatological Information and Air Resources - Rules 2.04.8, 2.05.4(2)(h) an T.-- ------ -- -- Climatological information is contained in Section 2.04.8 of the application. Air emission permits are included in Exhibit 4. The operation is in compliance with the requirements of this section. X. Topsoil - Rules 2.04.9, 2.05.3(5), 2.05.4(2)(d) and 4.06 Topsoil resource information is contained in Section 2.04.9 of the application. Topsoil handling information is in Section 4.06. No additional topsoil information other than on the Mine Area Soils Map (No. 14) was required with the permit revision since there will be no surface disturbance in the expanded permit area. Topsoil salvaged during initial construction of the mine is stored in three stockpiles. The only remaining topsoil to be salvaged is in the refuse pile expansion area. Topsoil stripping depths will remain as previously approved, 4 feet, unless test pits in the pile expansion area indicate that a lesser depth of salvageable material is available. The operator is currently committed to salvaging approximately one foot of "A" horizon and three feet of "B" horizon material from this area. Soil analysis indicates little difference between the two soil horizons, as plant growth media. Therefore, the Division finds that there is no need to store the A and B horizon materials separately. The operator is only required to handle these materials separately when "live handled" topsoil is to be reapplied immediately after stripping. Two possible new topsoil stockpiles are proposed at the refuse pile. These will contain material from stockpiles M-2 and M-3 which must be relocated to allow for expansion of the refuse pile and topsoil in the yet-to-be-disturbed refuse pile expansion area. The operation is in compliance with the requirements of this section. _17_