California Air Resources Board 2004 Almanac (web) Chapter 2 Largest Stationary Sources of PM2.5Statewide Table 2-12 Particulate Matter (PM2.5) Air Basin Facility Name City Tons/Year Mountain Counties Sierrapine - Ampine Division Martell 414 South Coast "AES Alamitos, LLC" Long Beach 405 San Francisco Bay Area Shell Martinez Refinery Martinez 346 Mojave Desert TXI Riverside Cement Company Oro Grande 316 Mojave Desert Mitsubishi Cement 2000 Lucerne Valley 277 Mojave Desert Antelope Valley Aggregate Inc Littlerock 257 South Coast West Coast Products Carson 246 South Coast Chevron USA. Inc. El Segundo 239 Mojave Desert "IMC Chemicals, Inc." Trona 226 Sacramento Valley Johns-Manville (Insulation) Willows 220