Frequent Questions

What is used oil processing, and what regulations are used oil processors subject to?

Processing means any chemical or physical operation designed to produce or facilitate the production of fuel oils, lubricants, or other used oil-derived products from used oil. Processing includes, but is not limited to, blending used oil with virgin petroleum products, blending used oils to meet the fuel specification, filtration, simple distillation, chemical or physical separation and re-refining (§279.1). Processors and re-refiners are subject to the standards codified in Part 279, Subpart F. These include storage standards, such as secondary containment (§279.54), general facility standards (§279.52), recordkeeping requirements (§279.56), and the rebuttable presumption requirements (§279.53).
Additional guidance on used oil processing and the regulation of used oil processors is available in the following documents 
Monthly Hotline Report Question; September 1999 (RCRA Online #14403
Monthly Hotline Report Question; June 1999 (RCRA Online #14349)
Monthly Hotline Report Question; December 1996 (RCRA Online #14051
Memo, Shapiro to Dixon; November 27, 1996 (RCRA Online # 14110
Monthly Hotline Report Question; November 1996 (RCRA Online #14055
Memo, Petruska to Phillips; August 10, 1995 (RCRA Online #13757)
Memo, Petruska to Pickett; September 28, 1994 (RCRA Online # 11874
Monthly Hotline Report Question; May 1994 (RCRA Online #13666
Memo, Weddle to Van Schepen; November 1, 1993 (RCRA Online #11792
Memo, Denit to Hunter; October 7, 1993(RCRA Online #11783

These documents are available at the following URL:

Additional information regarding used oil management program is available at the following URL:

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