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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Chilton Water Authority

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016ND20ND
2017ND10ND
2018N/A00N/A
2019ND20ND

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
2014-03-03140303033-1ND
2014-06-03140603026-1ND
2014-09-02140902065-1ND
2014-12-02141202034-1ND
2016-03-07160307070-2ND
2016-03-07160307070-1ND
2017-03-07170307046-1ND
2019-03-0519030095-002AND
2019-03-0519030095-001AND