Chapter 4	South Coast Air Basin						Table 4-7			
"Directly Emitted PM2.5 Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	126	115	114	131	114	115	112	103	103	105
Stationary Sources	53	35	24	29	22	23	22	14	15	15
Area-wide Sources	38	43	49	52	54	56	51	53	56	58
On-Road Mobile	13	15	20	25	19	18	20	18	17	16
   Gasoline Vehicles	6	5	5	6	7	8	10	10	12	13
   Diesel Vehicles	7	11	15	19	12	10	10	8	5	4
Other Mobile	22	22	21	25	19	19	19	18	16	15
   Gasoline Fuel	2	2	2	3	3	3	3	4	4	5
   Diesel Fuel	18	18	17	19	14	14	13	10	7	5
   Other Fuel	2	2	2	2	3	2	3	4	5	5