California Air Resources Board 2007 Almanac (web)							
Appendix E	"Shasta County, Sacramento Valley Air Basin"						Table E-45
Category	ROG	CO	NOX	SOX	PM10	PM2.5	NH3
Natural Sources Total	167	49	2	1	5	4	1
Biogenic Sources	166	0	0	0	0	0	0
Geogenic Sources	0	0	0	0	0	0	0
Wildfires	1	49	2	1	5	4	0