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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Chester, Town 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-01-13B14010919-001CND
2015-02-09B15020730-003FND
2015-05-12B15051136-001AND
2015-11-02B15110130-003AND
2016-01-11B16010647-003CND
2016-04-04B16040255-001AND
2016-07-12B16070862-003AND
2017-01-17B17011117-001CND
2018-03-05B18030356-001CND
2019-01-08B19010687-001CND