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CHAPTER 4 Minor Revisions to the Draft Environmental Impact Report Introduction Nee This chapter contains minor revisions and additions to the Draft EIR, issued May 2006.As discussed in Chapter 1, additional traffic and air quality analyses were prepared in response to im comments received during the DEIR review period. Minor revisions to the DEIR sections were made to reflect these additional studies,none of which identified impacts that were different or substantially greater than those identified in the DEIR. In addition,a minor adjustment to the IN= phasing plan was made to accommodate comments made by the California Department of Conservation. None of the changes identified in this chapter constitutes significant new information or results in any new significant impacts. Wall _ Revisions to the Draft EIR are listed in the order they appear.New text is indicated by underline Land deletions are shown in sWEethreugh. 3.6 Proposed Project Components 6. The Applicant proposes to conduct a phased mining program that would excavate pit run material and convey it to an on-site central processing plant.There will be nine eight phases,with each �. phase mined separately and in a different location on the project site. In addition to mining,Phase IX VIII will include the initial,up-front installation of the processing plants, scales and other facilities. Phase WA will inelude the installation of a peftable plant site that will be used dufing the mining of Phase ry Mining will begin with Phase I, and once Phase I is completed the extraction would proceed to Phase I1 and continues in numerical order until Phase IX VIII is mined. Refer to Figure 3-3 and Figure 3-4 for the proposed mining plan (Option I and Option 2) bill and the location of the separate phases. Silt products from the plant would be discharged into silt ponds. Phase VII will be used as a temporary silt pond until Phase I mining is completed.At that time the silt pond will be moved to the eastern portion of Phase I and mining will continue with Phase I1 and progress in order. All disturbed surface runoff would either be directed to silt ponds or contained within the mining excavation. Reclamation will also follow in the mining order, ` starting with Phase III(Phase I will be reclaimed when mining is completed and the silt pond is no longer necessary). The peftable preeessing plant will be removed frem Phase IV enee all the rimaterial is ,.-.meted and.._,.,,essea from Phase 1X Following the mining of Phase VII,the 6, processing plant will be temporarily moved to the westem portion of Phase I to allow mining of Phase VIII All processing equipment will be removed upon final reclamation LCemex Vernals Quarry Mining and Reclama nProject 4-1 ESA/203015 Final Emironmental Impact Report June L