CARB Petroleum Production and Marketing Methodologies - Oil and Gas Production Contact Emission Inventory Email eibweb@arb.ca.gov Area Source CategoriesOil Production Fugitive Losses - Sumps and Pits (December 1993)Oil Production Fugitive Losses - Valves and Fittings (January 1990)Oil Production Fugitive Losses - Pumps, Compressors and Well Heads (January 1989)Miscellaneous Processes (November 1986)Steam Drive and Cyclic Wells (June 1990)Gas Stripping (August 1990)Crude Oil Production Tanks (September 1989)