California Air Resources Board 2007 Almanac (web)							
Appendix E	"San Luis Obispo County, South Central Coast Air Basin"						Table E-75
Category	ROG	CO	NOX	SOX	PM10	PM2.5	NH3
Natural Sources Total	36	62	2	1	6	5	3
Biogenic Sources	32	0	0	0	0	0	0
Geogenic Sources	0	0	0	0	0	0	2
Wildfires	4	62	2	1	6	5	1