National Pollutant Inventory

Substances

Chloroform (trichloromethane): Sources of emissions

Industry sources

Chloroform may enter the environment from a number of sources, including industrial effluent, municipal waste treatment plant discharges, hazardous waste sites, sanitary landfills and spills.

Diffuse sources, and industry sources included in diffuse emissions data

Chloroform can be formed as a result of the chlorination of naturally occurring organic materials found in raw water supplies. Hence, water treated with chlorine (drinking water, swimming pool) may be contaminated with trace amounts of chloroform.

Natural sources

There are no natural sources for chloroform.

Transport sources

There are no mobile sources for chloroform.

Consumer products

There are no consumer products that contain chloroform.

Key

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Factory. Credit: Michael Lindquist