California Air Resources Board 2004 Almanac (web) Chapter 2 2003 Statewide PM10 Emissions Table 2-9 PM10 Emissions (annual average) Emissions Source tons/day Percent Stationary Sources 128 6% Area-wide Sources 1833 88% On-Road Mobile 49 2% Gasoline Vehicles 31 1% Diesel Vehicles 18 1% Other Mobile 76 4% Total Statewide 2086 100%