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	125	114	113	125	108	108	103	102	102	103
Stationary Sources	52	34	23	24	16	16	13	15	16	17
Area-wide Sources	39	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	21	22	21	25	19	19	18	16	14	12
   Gasoline Fuel	2	2	2	3	3	3	3	4	4	5
   Diesel Fuel	18	18	16	19	14	13	12	10	7	5
   Other Fuel	2	2	2	3	3	2	3	2	2	3