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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Jamestown Water Department

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-02-241401549-02_TO12ND
2014-02-241401549-01_TO12ND
2014-05-201402756-01_TO12ND
2015-03-191501606-01_TO12ND
2015-03-191501606-02_TO12ND
2015-04-231501979-01_TO12ND
2016-02-241601293-02_TO12ND
2016-02-241601293-01_TO12ND
2016-06-231602791-01_TO12ND
2017-02-131701190-01_TO12ND
2017-02-131701191-01_TO12ND
2017-05-311702362-01_TO12ND
2018-02-221801248-02_TO12ND
2018-02-221801248-01_TO12ND
2018-04-251801839-01_TO12ND
2019-03-251901443-01_TO12ND
2019-03-251901443-02_TO12ND
2019-04-171901742-01_TO12ND