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EWG's Tap Water Database — 2019 UPDATE

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1,1,2,2-Tetrachloroethane

City of San Clemente

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
2012ND10ND
2013ND10ND
2014ND20ND
2015ND10ND
2016ND20ND
2017ND20ND

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
2012-01-181805-021-1020ND
2013-03-131805-021-1252ND
2014-03-121805-021-0925ND
2014-04-091805-004-1010ND
2015-03-111805-021-1105ND
2016-03-111805-021-1045ND
2016-05-171805-004-1040ND
2017-03-081805-021-1120ND
2017-05-011805-004-0000ND