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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Westwood Beach

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND30ND
2017ND30ND
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
2015-07-22Q1528496004ND
2015-07-22Q1528496005ND
2015-07-22Q1528496001ND
2016-12-06Q1653109009ND
2016-12-06Q1653109005ND
2016-12-06Q1653109011ND
2017-10-02Q1748077016ND
2017-10-02Q1748077017ND
2017-10-02Q1748077020ND
2018-10-10Q1840455012ND
2018-10-10Q1840455005ND
2018-10-10Q1840455006ND
2019-06-13Q1935800008ND
2019-06-13Q1935800010ND
2019-06-13Q1935800012ND