2002 Almanac (page 134)  Table 4-4  PM10 Emission Trends and Forecasts								
South Coast Air Basin								

"PM10 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	291	312	341	398	387	364	360	371
Stationary Sources	58	44	32	31	22	22	23	24
Area-wide Sources	196	228	263	317	325	302	297	307
On-Road Mobile	14	16	23	25	21	20	20	21
   Gasoline Vehicles	10	8	10	11	12	14	15	17
   Diesel Vehicles	4	8	13	14	8	6	5	4
Other Mobile	23	24	23	24	19	19	19	18