Appendix E "Calaveras County, Mountain Counties Air Basin" Table E-17 Category ROG CO NOX SOX PM10 PM2.5 NH3 Natural Sources Total 39 15 0 0 2 1 0 Biogenic Sources 38 0 0 0 0 0 0 Geogenic Sources 0 0 0 0 0 0 0 Wildfires 1 15 0 0 2 1 0