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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

City of Delano

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND40ND
2016N/A00N/A
2017ND80ND
2018N/A00N/A
2019N/A00N/A

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
2014-01-145810-042-0825ND
2014-04-295810-042-0745ND
2014-07-015810-013-0800ND
2014-07-015810-017-0830ND
2014-07-015810-033-0730ND
2014-07-085810-042-0949ND
2014-07-085810-039-0950ND
2014-07-085810-037-0830ND
2014-07-085810-036-1025ND
2014-07-085810-035-0900ND
2014-09-025810-038-0911ND
2015-03-175810-047-1030ND
2015-07-215810-047-0810ND
2015-09-015810-047-0830ND
2015-10-275810-047-1015ND
2017-07-115810-033-0950ND
2017-07-115810-042-0725ND
2017-07-115810-039-0835ND
2017-07-115810-037-0926ND
2017-07-115810-035-0950ND
2017-07-185810-036-0945ND
2017-09-055810-017-1000ND
2017-12-055810-047-1100ND