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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Monticello

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016ND40ND
2017ND40ND
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
2014-11-0314K0033-01ND
2014-11-0314K0033-02ND
2014-11-0314K0033-03ND
2014-11-0314K0033-04ND
2016-09-083542107ND
2016-09-083542121ND
2016-09-083542129ND
2016-09-083542138ND
2017-03-3017C1248-02ND
2017-03-3017C1248-04ND
2017-08-1617H1267-01ND
2017-08-1617H1267-02ND