The following document provides information on the method on n-hexane extractable material (HEM), which refers to Method 1664, Revision A, Publication No. EPA-821-R-98-002.

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 9070A: n-Hexane Extractable Materials (HEM) for Aqueous Samples, part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (PDF)(1 pg, 112 K)