Chapter 4	San Francisco Bay Area Air Basin 						Table 4-20			
"Directly Emitted PM2.5 Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	80	78	78	84	82	84	81	82	83	85
Stationary Sources	27	21	14	13	15	15	12	12	13	14
Area-wide Sources	37	40	43	47	48	51	52	54	56	59
On-Road Mobile	5	7	8	10	7	7	7	7	7	7
   Gasoline Vehicles	3	3	2	3	3	3	4	4	5	5
   Diesel Vehicles	2	4	6	7	4	4	3	3	2	1
Other Mobile	11	11	12	14	12	11	10	9	7	6
   Gasoline Fuel	1	1	1	1	1	1	1	2	2	2
   Diesel Fuel	7	7	8	9	8	8	7	6	4	2
   Other Fuel	3	3	3	4	3	2	2	1	2	2