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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Marshfield Utilities

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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39

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
2014ND60ND
2015ND90ND
2016ND60ND
2017ND60ND
2018ND60ND
2019ND60ND

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
2014-03-12774391ND
2014-03-12774394ND
2014-03-12774397ND
2014-04-08778731ND
2014-07-29806754ND
2014-10-28828091ND
2015-02-23844768ND
2015-02-23844772ND
2015-02-23844770ND
2015-04-14854034ND
2015-04-14854033ND
2015-09-02880610ND
2015-09-02880611ND
2015-10-14889076ND
2015-10-14889077ND
2016-02-01903586ND
2016-02-01903588ND
2016-02-01903590ND
2016-05-09920115ND
2016-08-09938049ND
2016-10-11952725ND
2017-01-31971704ND
2017-04-17983499ND
2017-04-17983491ND
2017-04-17983495ND
2017-08-071009142ND
2017-10-091023242ND
2018-01-301039071ND
2018-01-301039074ND
2018-01-301039076ND
2018-04-031048152ND
2018-07-161067477ND
2018-10-031085201ND
2019-02-131104975ND
2019-04-031113252ND
2019-04-031113250ND
2019-04-031113248ND
2019-07-091132876ND
2019-10-141154687ND