SW-846 Test Method 9045D: Soil and Waste pH
The following document provides information on the electrometric procedure for measuring pH in soils and waste samples, including solids, sludges, or non-aqueous liquids.
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.