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4. ENVIRONMENTAL ANALYSIS 4.6 AIR QUALITY ` d) Protecting residential areas and sensitive receptors such as aquiculture from air pollution sources. 11. The County shall continue to operate an emission banking program. 12. The County shall support programs leading to the use of alternative fuels. San Joaquin Valley Unified Air Pollutant Control District The Valley Air District is responsible for regulating stationary source emissions in the City of Stockton. The Valley Air District is responsible for preparing the air quality plans(or portions thereof)for the entirety of its jurisdiction, which include the San Joaquin,Stanislaus, Merced, Madera,Fresno, Kings,and Tulare Countries,and a portion of Kern County. The Valley Air District's primary means of implementing the air quality plans is by adopting rules and regulations. Stationary sources within the jurisdiction are regulated by the District's permit authority over such sources and through its review and planning activities. For example,the Valley Air District adopted its Regulation VIII-Fugitive Dust Control, Rule 8010,on October 21, 1993. This regulation consists of a series of emission reduction rules intended to implement the PMI'0 Attainment Demonstration Plan. The PM10 Attainment Demonstration Plan emphasizes reducing fugitive dust as a means of achieving attainment of the federal standards for PM 10. The Valley Air District has determined that compliance with its Regulation VIII Fugitive PM10 ` Prohibitions, including implementation of all feasible control measures specified in its Guide for Assessing Air Quality Impacts(SJVAPCD, 2002),is sufficient mitigation to minimize adverse air quality effects associated with construction-related activities. FEDERAL REGULATIONS FOR CRITERIA POLLUTANTS Standards of Performance for New Stationary Sources Section 111 of the California Ambient Air(CAA), Standards of Performance of New Stationary Sources,requires EPA to establish federal emission standards for source categories which cause or contribute significantly to air pollution. These standards are intended to promote use of the best air pollution control technologies,taking into account the cost of such technology and any other non-air quality,health,and environmental impact and energy requirements. Prevention of Significant Deterioration Prevention of Significant Deterioration(PSD)regulations were first promulgated by the EPA(40 CFR 52)to prevent air quality degradation in those areas where criteria air pollutant concentrations are below the ambient standards(i.e., attainment areas). Exceedance of a PSD trigger level requires a demonstration by dispersion modeling that the emissions will not interfere with the attainment or maintenance of any NAAQS at the point of maximum impact and will not cause an exceedance of a PSD increment. RMC Pacific Vernalis Quarry Mining and Reclamation Project 4.6-13 ESA 1203015 Administrative Draft EOR March 2004