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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Olivehurst Public UD

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND30ND
2015ND30ND
2016ND40ND
2017ND10ND
2018ND10ND
2019ND20ND

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
2014-03-052236-001-0900ND
2014-10-221233-020-0813ND
2014-11-241233-001-0742ND
2015-01-131233-001-0719ND
2015-04-221610-001-0755ND
2015-10-271610-001-0755ND
2016-01-141610-001-0803ND
2016-01-271610-006-1346ND
2016-02-091610-002-1358ND
2016-02-091610-010-1407ND
2017-01-191610-001-0904ND
2018-01-111610-001-0826ND
2019-01-151610-001-0903ND
2019-11-141610-018-0840ND