2003 Almanac (page 177)  Table 4-31  Directly Emitted PM2.5 Emission Trends and Forecasts								
San Diego Air Basin								

"Directly Emitted PM2.5 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	34	37	36	41	39	40	42	44
Stationary Sources	11	10	4	4	6	5	5	7
Area-wide Sources	16	19	22	26	24	26	27	29
On-Road Mobile	2	2	3	4	3	3	3	3
   Gasoline Vehicles	1	1	1	1	1	2	2	2
   Diesel Vehicles	0	1	2	3	2	1	1	1
Other Mobile	6	6	6	7	6	6	6	6