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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Greer CPW

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
2013N/A00N/A
2014ND10ND
2015ND40ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

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
2014-01-27AD34951ND
2015-02-02AD51000ND
2015-04-23AD54493ND
2015-07-27AD58660ND
2015-11-02AD64677ND
2016-01-26AD69677ND
2017-02-07AD89516ND
2018-01-24AE06532ND
2019-02-21AE26151ND