California Air Resources Board 2006 Almanac (web)										
Chapter 4	South Coast Air Basin						Table 4-6			
"Directly Emitted PM10 Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	228	239	261	347	330	325	276	278	284	292
Stationary Sources	56	40	28	27	19	18	16	16	17	17
Area-wide Sources	133	157	186	273	273	269	221	223	229	236
On-Road Mobile	15	17	24	22	19	19	19	19	20	20
   Gasoline Vehicles	10	8	9	10	11	12	13	15	16	17
   Diesel Vehicles	5	9	15	12	8	6	6	4	3	3
Other Mobile	25	24	23	24	19	20	21	20	19	19
   Gasoline Fuel	3	3	3	4	4	4	5	5	6	6
   Diesel Fuel	21	20	19	19	14	13	12	11	9	7
   Other Fuel	1	1	1	1	2	2	3	4	5	5