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Cemex Vemalis Quarry Mining and ReclamaWn Project Response to Comment B-5 Commenter states that the DEIR contains conclusions and opinions, but lacks demonstration of its analysis, specifically in Section 4.6. The air quality impact analysis provides emissions related to the construction and operation of the proposed project. The maximum production level and expected hours of operation and types of equipment are described in Chapter 3 (Project Description)and Section 4.6.2 (Air Quality)of the EIR- The equipment assumptions and emission factors for the various project components are described in DEIR Appendix D, including stone processing,sand and gravel processing,concrete batching operations,asphalt batching operations,handling and storage,paved and unpaved roads, non-road vehicles,haul trucks,dispersion modeling for the health risk assessment, receptor locations,and the source of meteorological data.Assumptions and input/output data for the _ revised air quality analysis are provided in FOR Appendix A. Response to Comment B-6 Commenter states that the spreadsheet supporting calculations for Project construction and operation emissions were not included in the DEIR, and are attached to the letter as Exhibit 1. The information requested was provided upon request. It should be noted that such information is of a technical nature,and would be of little use to public agencies or members of the public not familiar with air emission models. Response to Comment B-7 Commenter states that the DEIR should have included the spreadsheets, and that the format in which they arrived was complex and poorly organized. The commenter reserves the right to supplement their comments with the data once they thoroughly review the spreadsheet. — See Response to Comment B-6. Response to Comment B-8 Commenter states that there are two major problems with the significance criteria. First, the Draft EIR did not conduct any analyses to determine ijsome ofthe criteria were met. Second, the list of significance criteria is incomplete. This comment is addressed specifically in subsequent responses. Response to Comment B-9 — Commenter states that the Draft EIR does not contain any analysis of whether the increase in emissions from the Project individually and cumulatively would conflict with or obstruct _ implementation ofair quality plans developed to bring the San Joaquin Valley air basin into compliance with air quality standards, and that the DEIR should be revised to contain a responsive analysis. _ Cemex Vernals Quarry Mining and Reclamation Project 3-4 ESA/203075 Final Environ.W Impact Report June 2008