The following document details method 1330A, which is used to determine the mobile metal concentration (MMC) in oily wastes including API separator sludges, rag oils, slop oil emulsions, and others derived from petroleum refining.

This method is an SW-846 Method-Defined Parameter (MDP), meaning that it may not be modified when used for Resource Conservation and Recovery Act (RCRA) testing. For more information, see the Methods Innovation Rule page.

• Method 1330A: Extraction Procedure for Oily Wastes, part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (PDF)(9 pp, 245 K, July 1992)