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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Newhall Cwd-pinetree

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-02-139590-003-1235ND
2014-02-139590-008-1300ND
2017-04-069590-008-0935ND
2018-04-052104-008-1005ND
2019-04-189590-008-1015ND
2019-05-139590-008-0915ND
2019-06-139590-001-1055ND
2019-06-139590-003-1020ND