2003 Almanac (page 131)  Table 4-5  Directly Emitted PM2.5 Emission Trends and Forecasts								
South Coast Air Basin								

"Directly Emitted PM2.5 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	125	116	118	130	110	108	110	111
Stationary Sources	53	34	22	24	14	13	13	14
Area-wide Sources	41	47	56	65	65	66	68	69
On-Road Mobile	11	13	19	19	14	12	12	12
   Gasoline Vehicles	6	5	5	6	6	7	8	9
   Diesel Vehicles	5	9	14	13	8	6	5	4
Other Mobile	21	22	21	22	17	17	17	16