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	81	79	79	83	81	84	81	83	84	87
Stationary Sources	26	20	14	12	15	14	11	12	13	13
Area-wide Sources	38	41	44	47	47	51	53	55	57	60
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	12	12	13	15	12	11	10	9	8	7
   Gasoline Fuel	1	1	1	1	1	1	1	2	2	2
   Diesel Fuel	8	8	8	10	8	8	7	6	4	3
   Other Fuel	3	3	3	4	3	2	1	2	2	2