California Air Resources Board 2008 Almanac (web)							
Appendix E	"San Bernardino County, South Coast Air Basin"						Table E-82
Category	ROG	CO	NOX	SOX	PM10	PM2.5	NH3
Natural Sources Total	19	59	2	1	6	5	3
Biogenic Sources	15	0	0	0	0	0	2
Geogenic Sources	0	0	0	0	0	0	0
Wildfires	4	59	2	1	6	5	1