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EWG's Tap Water Database

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1,1,1,2-Tetrachloroethane

Carthage

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND20ND
2011N/A00N/A
2012N/A00N/A
2013ND20ND
2014N/A00N/A
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 1 ppb

The health guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-01-18AB12284ND
2010-01-18AB12285ND
2013-01-15AB90038ND
2013-01-15AB90039ND