California Air Resources Board 2004 Almanac (web)								
Chapter 4	South Coast Directly Emitted PM10 Emission Trends				Table 4-4			
"Directly Emitted PM10 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	233	243	271	338	320	288	291	297
Stationary Sources	55	38	26	26	17	16	16	17
Area-wide Sources	140	162	196	264	264	233	235	242
On-Road Mobile	15	17	24	22	19	19	19	19
   Gasoline Vehicles	10	8	9	10	11	12	13	15
   Diesel Vehicles	5	9	15	12	8	6	6	4
Other Mobile	24	25	25	26	21	21	21	19