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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Pawtucket

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

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33

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
2014ND80ND
2015ND40ND
2016ND40ND
2017ND90ND
2018ND40ND
2019ND40ND

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
2014-01-271401232-01_TO12ND
2014-03-271402016-02_TO12ND
2014-03-271402016-01_TO12ND
2014-04-071402198-07_TO12ND
2014-04-071402198-03_TO12ND
2014-04-071402198-04_TO12ND
2014-04-071402198-05_TO12ND
2014-04-071402198-06_TO12ND
2015-03-311501722-01_TO12ND
2015-03-311501722-02_TO12ND
2015-03-311501722-03_TO12ND
2015-04-281501999-02_TO12ND
2016-03-221601566-02_TO12ND
2016-03-221601566-01_TO12ND
2016-06-071602458-01_TO12ND
2016-06-271602860-01_TO12ND
2017-02-011701096-01_TO12ND
2017-03-291701674-01_TO12ND
2017-03-291701674-02_TO12ND
2017-04-171701862-04_TO12ND
2017-04-171701862-03_TO12ND
2017-04-171701862-01_TO12ND
2017-04-171701862-02_TO12ND
2017-04-171701862-06_TO12ND
2017-11-011704846-01_TO12ND
2018-03-281801540-03_TO12ND
2018-03-281801540-02_TO12ND
2018-03-281801540-01_TO12ND
2018-04-301801885-02_TO12ND
2019-03-261901463-01_TO12ND
2019-03-261901463-03_TO12ND
2019-03-261901463-02_TO12ND
2019-06-271902770-01_TO12ND