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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Rubidoux Community SD

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.

 

20

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
2016ND60ND
2017ND50ND
2018N/A00N/A
2019ND50ND

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
2014-05-154790-015-0755ND
2014-05-154790-014-0800ND
2014-05-154790-013-0815ND
2014-05-154790-002-0915ND
2016-03-184790-006-1110ND
2016-05-104790-004-1200ND
2016-05-104790-006-1215ND
2016-05-104790-013-1045ND
2016-05-104790-002-1030ND
2016-05-104790-014-1100ND
2017-05-104790-013-1000ND
2017-05-104790-014-1025ND
2017-05-104790-006-1115ND
2017-05-104790-004-1045ND
2017-05-104790-002-0930ND
2019-03-284790-029-1315ND
2019-05-084790-013-0915ND
2019-05-084790-002-0816ND
2019-05-094790-006-1330ND
2019-10-024790-029-0140ND