California Air Resources Board 2006 Almanac (web)							
Appendix E	"Riverside County, Mojave Desert Air Basin"						Table E-13
Category	ROG	CO	NOX	SOX	PM10	PM2.5	NH3
Natural Sources Total	0	2	0	0	0	0	1
Biogenic Sources	0	0	0	0	0	0	0
Geogenic Sources	0	0	0	0	0	0	1
Wildfires	0	2	0	0	0	0	0