EPA Method 9020B

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EPA Method 9020B:
TOTAL ORGANIC HALIDES (TOX)

Summary:
A sample of water that has been protected against the loss of volatiles by the elimination of headspace in the sampling container, and that is free of undissolved solids, is passed through a column containing 40 mg of activated carbon. The column is washed to remove any trapped inorganic halides and is then combusted to convert the adsorbed organohalides to HX, which is trapped and titrated electrolytically using a microcoulometric detector.

Scope:
Method 9020 determines Total Organic Halides (TOX) as chloride in drinking water and ground waters. The method uses carbon adsorption with a microcoulometric-titration detector.

Test Description:
Total Organic Halide

Report Number:
SW-846 Ch 5

Instrument used for this test:
TOX