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EWG's Tap Water Database — 2019 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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND30ND
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017ND10ND

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
2012-01-129590-001-1030ND
2012-02-099590-001-1155ND
2012-02-099590-003-1120ND
2012-02-099590-008-1100ND
2012-05-109590-001-0916ND
2013-02-149590-001-1025ND
2013-02-149590-003-1015ND
2013-02-149590-008-1034ND
2014-02-139590-003-1235ND
2014-02-139590-008-1300ND
2017-04-069590-008-0935ND