California Air Resources Board 2004 Almanac (web)								
Chapter 4	San Joaquin Valley  Directly Emitted PM10 Emission Trends				Table 4-22			
"Directly Emitted PM10 Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	341	331	331	338	331	332	343	358
Stationary Sources	58	42	34	28	27	22	24	25
Area-wide Sources	267	268	278	289	288	294	304	319
On-Road Mobile	4	6	8	9	7	6	6	6
   Gasoline Vehicles	2	2	2	2	3	3	4	4
   Diesel Vehicles	2	4	6	6	4	3	3	2
Other Mobile	12	15	12	13	10	10	9	8