California Air Resources Board 2008 Almanac (web) Appendix E "Alpine County, Great Basin Valleys Air Basin" Table E-3 Category ROG CO NOX SOX PM10 PM2.5 NH3 Natural Sources Total 9 0 0 0 0 0 0 Biogenic Sources 9 0 0 0 0 0 0 Geogenic Sources 0 0 0 0 0 0 0 Wildfires 0 0 0 0 0 0 0