California Air Resources Board 2007 Almanac (web) Appendix E "Solano County, San Francisco Bay Area Air Basin" Table E-63 Category ROG CO NOX SOX PM10 PM2.5 NH3 Natural Sources Total 3 0 0 0 0 0 0 Biogenic Sources 3 0 0 0 0 0 0 Geogenic Sources 0 0 0 0 0 0 0 Wildfires 0 0 0 0 0 0 0