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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Ramsey

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND10ND
2016ND30ND
2017ND60ND
2018ND40ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG 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
2014-11-1714K0643-02ND
2014-11-1714K0643-03ND
2014-11-1714K0643-04ND
2014-11-1714K0644-01ND
2014-11-1714K0644-02ND
2014-11-1714K0643-01ND
2015-01-0615A0055-01ND
2016-03-143414301ND
2016-03-143414268ND
2016-03-143414100ND
2017-09-1917I0863-04ND
2017-09-1917I0863-02ND
2017-09-1917I0863-01ND
2017-09-1917I0862-01ND
2017-11-2217K0918-01ND
2017-11-2217K0920-02ND
2018-06-1818F1206-01ND
2018-07-3118G2047-01ND
2018-07-3118G2047-02ND
2018-07-3118G2047-03ND
2019-04-0819D0452-01ND