California Air Resources Board 2004 Almanac (web)								
Chapter 3	Statewide PM2.5 Emission Trends							Table 3-5
"Directly Emitted PM2.5 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	802	782	775	810	755	753	772	788
Stationary Sources	220	155	111	109	94	82	85	92
Area-wide Sources	485	515	544	571	560	573	590	605
   Paved Road Dust	29	38	50	69	74	75	81	88
   Unpaved Road Dust	89	94	97	97	100	101	103	104
   Other Area-wide Sources	367	383	397	405	386	397	406	413
On-Road Mobile	26	33	47	48	37	34	34	34
   Gasoline Vehicles	13	11	12	13	15	17	20	23
   Diesel Vehicles	12	22	35	35	22	17	15	11
Other Mobile	72	79	73	82	64	63	63	57