Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

SW-846 Test Method 3665A: Sulfuric Acid/Permanganate Cleanup

This document discusses the method for the rigorous cleanup of sample extracts prior to analysis for polychlorinated biphenyls (PCBs) whenever elevated baselines or overly complex chromatograms prevent accurate quantitation.

Method 3665A: Sulfuric Acid/Permanganate Cleanup, part of Test Methods for Evaluating Solid Waste, Physical/Chemical Methods (pdf) (39.75 KB, December 1996)

SW-846 Test Method 3665A: Sulfuric Acid/Permanganate Cleanup

Hazardous Waste Test Methods / SW-846