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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Washington

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND90ND
2015N/A00N/A
2016ND10ND
2017ND90ND
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
2014-08-22AC33778ND
2014-08-22AC33779ND
2014-08-22AC33780ND
2014-08-22AC33781ND
2014-08-22AC33782ND
2014-08-22AC33783ND
2014-08-22AC33777ND
2014-08-26AC33776ND
2014-08-26AC33784ND
2016-04-27AC70171ND
2017-04-26AC95145ND
2017-08-22AD04330ND
2017-08-22AD04332ND
2017-08-22AD04333ND
2017-08-22AD04335ND
2017-08-22AD04336ND
2017-08-22AD04334ND
2017-08-22AD04329ND
2017-08-22AD04331ND
2018-05-07AD18746ND
2019-04-17AD46846ND