2003 Almanac (page 130)  Table 4-4  Directly Emitted PM10 Emission Trends and Forecasts								
South Coast Air Basin								

"Directly Emitted PM10 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	239	250	277	345	322	291	292	299
Stationary Sources	57	40	27	27	16	16	16	17
Area-wide Sources	145	168	203	269	268	237	239	246
On-Road Mobile	15	17	24	25	20	18	18	18
   Gasoline Vehicles	10	8	9	10	11	12	13	15
   Diesel Vehicles	5	9	15	15	9	6	5	4
Other Mobile	23	24	23	25	19	19	19	18