2002 Almanac (page 198) Table 4-36 PM10 Emission Trends and Forecasts Sacramento Valley Air Basin "PM10 Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 All Sources 218 236 215 246 240 253 275 297 Stationary Sources 22 16 14 16 15 15 16 17 Area-wide Sources 186 209 191 217 216 229 249 270 On-Road Mobile 3 3 4 5 4 4 4 4 Gasoline Vehicles 1 1 2 2 2 3 3 3 Diesel Vehicles 1 2 3 4 2 2 1 1 Other Mobile 7 8 7 7 6 6 6 5