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4. ENVIRONMENTAL ANALYSIS 4.6 AIR QUALITY - • California Clean Air Act Triennial Progress Report and Plan Revision 1997-1999. This plan identifies the SJVAB as both a source and receptor of transported ozone and concludes that attainment of the State ozone standard will not occur until upwind areas, such as the San Francisco Bay Area and the Sacramento Valley Air Basins,substantially reduce their emissions of ozone precursors. — a 2000 Ozone Rate of Progress Report(Adopted April 20, 2000 and amended April 27, 2000). To demonstrate that the milestones are being achieved, EPA required districts to _ prepare rate of progress plans. Under this requirement,the District submitted a 1993 Rate of Progress Plan 1 (1993 ROP)covering the six years from 1991 through 1996,and a Post- 1996 Rate of Progress Plan(Post-1996 ROP) 2 that covers 1997 through 1999. The purpose of this report is to demonstrate that the target level of emissions or milestones for 1997 through 1999(9%)and for 1990 through 1999(24%)have been met. • California Clean Air Act Annual Progress Report 2000(adopted February 27, 2001). Section 40924(a)of the California Health and Safety Code requires each air district to submit an annual report to the CARB that summarizes its progress in meeting the schedules for developing, adopting and implementing the air pollution control measures in the Air _ Quality Attainment Plan (AQAP). • 2003 PM10 Attainment Demonstration Plan. This plan establishes the regulatory framework in order to bring the SJVAB into compliance with the national standards for _ PM10 by the end of 2010, as prescribed by the U.S. EPA(SJVAPCD, 2003). • 1992 Federal Attainment Plan for Carbon Monoxide. This plan establishes the regulatory framework needed to bring the SJVAB into compliance with the national standards for CO. This plan demonstrates that CO attainment has already been achieved. RULES AND REGULATIONS California Air Resource Board In August of 1998,the CARB identified particulate emissions from diesel-fueled engines(diesel particulate matter or DPM)as TACs. CARB developed the Risk Reduction Plan to Reduce _ Particulate Matter Emissions from Diesel-Fueled Engines and Vehicles and the Risk Management Guidance for the Permitting of New Stationary Diesel-Fueled Engines. The Board approved these documents on September 28, 2000. The documents represent proposals to reduce diesel particulate emissions,with the goal to reduce emissions and the associated health risk by 75 percent in 2010 and by 85 percent in 2020. The program aims to require the use of state-of- the-art catalyzed diesel particulate filters and ultra low sulfur diesel fuel. — In December of 2000, the U.S. EPA promulgated regulations requiring that the sulfur content in motor vehicle diesel fuel be reduced to less than 15 ppm by June 1,2006. Control of DPM — emissions focuses on two strategies,reducing the amount of sulfur in diesel fuel and developing filters for operating diesel engines to reduce the amount of particulate matter that is emitted. Secondly,the U.S. EPA finalized a comprehensive national emissions control program, the 2007 Highway Diesel(HD 2007)program,which regulates highway heavy-duty vehicles and diesel RMC Pacific Vemalis Quant'Mining mid Rmbe ton Project 4.6-10 ESA/203015 Admytisrt w Dffit Eat Marcy 2004