California Air Resources Board 2007 Almanac (web) Appendix E "Los Angeles County, Mojave Desert Air Basin" Table E-12 Category ROG CO NOX SOX PM10 PM2.5 NH3 Natural Sources Total 6 0 0 0 0 0 0 Biogenic Sources 6 0 0 0 0 0 0 Geogenic Sources 0 0 0 0 0 0 0 Wildfires 0 0 0 0 0 0 0