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State Reg. <br />selectively handled suitable spoil topdre~ssing may be required • <br />in the Wolf Creek area when very strong (pH < 5 and ABP <-5) <br />acidity exists. Also, since phosphorus and nitrogen levels <br />were low, a fertilizer supplement may be required. However, <br />this may not be required if sufficient 'levels of N, P, and K <br />exist in the topsoil. This spoil, overlaid with 12 to 18 <br />inches of replaced topsoil, will possess favorable physical and <br />chemical qualities and will be a desirable plant root growth <br />medium. <br />Finally, geoch~=_mical data indicates that: regrading of spoils <br />will not signi~Ficantly alter the groundwater quality. This is <br />described thoroughly in the Groundwater Section of Tab 7. <br />Tab 7 delineates the groundwater system at the Seneca II Mine <br />and relates it to the regional groundwater system. <br />• <br /> <br />6-34 Revised 10/1/86 <br />