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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Falls City, City of

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND20ND
2016ND20ND
2017ND30ND
2018ND20ND
2019ND20ND

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
2014-09-15320896ND
2014-09-22324624ND
2014-09-22324625ND
2015-08-10375618ND
2015-08-10375619ND
2016-08-08ND
2016-08-08ND
2017-04-24ND
2017-08-01ND
2017-08-01ND
2018-08-14567277ND
2018-08-14567278ND
2019-08-12628466ND
2019-08-12628467ND