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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Valentine, City of

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-04278521ND
2014-03-04278522ND
2014-03-04278520ND
2014-03-31279146ND
2014-03-31279147ND
2014-10-27311068ND
2015-01-26343372ND
2015-01-26343373ND
2015-01-26343374ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
2017-01-17ND
2017-01-17ND
2017-01-17ND
2017-03-20ND
2017-03-20ND
2017-12-04ND
2018-01-29530783ND
2018-01-29530784ND
2018-01-29530785ND
2019-02-05592393ND
2019-02-05592394ND
2019-02-05592395ND