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Oil Exploration and Production Wastes Initiative Introduction <br />This report summarizes the findings of the Oil Exploration and Production <br />Wastes Initiative, a field research project conducted by the Department of Toxic <br />Substances Control (DTSC), Hazardous Waste Management Program (HWMP), <br />Statewide Compliance Division (SCD), during December 2000 through August <br />2001. The purpose of the initiative was to obtain scientific data that would <br />enhance DTSC's knowkKIge of ft characteristics of oil exploration and <br />production (E&P) wastes, and determine, based on the data obtained, whether <br />those wastes are being properly managed in accordance with standards imposed <br />under Federal and State law. <br />DTSC protects public health and the environment by regulating the generation, <br />storage, transportation, and disposal of hazardous wastes within the State of <br />California. To determine the applicability of DTC's program, to the regulation of <br />E&P wastes, samples of E&P wastes collected as part of this initiative were <br />tested for characteristics of hazardous waste under Federal and State law. The <br />data obtained from sample analysis are interpreted and discussed in light of <br />criteria for identifying hazardous waste, as codified in Title 40, Code of Federal <br />Regulation (40 CFR), Sections 261.10 et seq., and in Title 22, California Code of <br />Regulations (22 CCR), Article 3, Sections 66261.20 et seq. <br />This study is not inclusive of all E&P wastes. Resources allocated for this project <br />were focused on the study of those wastestreams that, due to volume or other <br />factors listed in this summary, could present a greater threat to public health and <br />the environment if determined to be hazardous under State law. Wastes <br />discussed in this report are produced water, drilling waste, oily sludge waste, and <br />foam treatment waste from a foam treatment operation. This report contains a <br />limited amount of data pertaining to workover wastes, and does not contain any <br />information pertaining to wastes produced by natural gas exploration and <br />production. <br />This report may be used as a general guidance document, indicative of <br />constituents that may be present in E&P wastes. Because facility operations and <br />geological characteristics of oil-bearing strata may vary from region to region, the <br />wastes produced may also exhibit local differences in composition. It ultimately <br />remains t 's responsibihty to armlyze its waste and, through proper <br />knowledge of the waste's characteristics, manage that waste in accordance with <br />all applicable Federal and State environmental laws and regulations. <br />Statewide Com liance Division May 2002 <br />- 1 - <br />