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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Whispering Pines

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND20ND
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
2014-09-04AC65843ND
2015-09-30AD09126ND
2015-09-30AD09120ND
2016-11-30AD59852ND
2016-11-30AD59860ND
2017-03-09AD74382ND
2017-03-09AD74356ND
2018-03-28AE20385ND
2018-03-28AE20387ND
2019-02-25AE55669ND
2019-02-25AE55663ND