California Air Resources Board 2004 Almanac (web) Table 5-51 Chapter 5 San Joaquin Valley Methylene Chloride Emissions San Joaquin Valley - Methylene Chloride Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 77 18% 1% Area-wide Sources 360 82% 5% On-Road Mobile 0 0% 0% Gasoline Vehicles 0 0% 0% Diesel Vehicles 0 0% 0% Other Mobile 0 0% 0% Natural Sources 0 0% 0% Total 438 100% 6% Total Statewide 7588