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EWG's Tap Water Database — 2019 UPDATE

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1,1,1,2-Tetrachloroethane

Kempner WSC

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

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
2014ND10ND
2015ND40ND
2016ND10ND
2017ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-07AB97394ND
2013-08-01Q1304801006ND
2014-08-05AC62131ND
2015-03-30AC86583ND
2015-05-18AC92322ND
2015-08-20AD04880ND
2015-10-05AD09425ND
2016-01-14AD18295ND
2017-01-30AD67541ND