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EWG's Tap Water Database — 2019 UPDATE

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1,1,1,2-Tetrachloroethane

Hastings

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
2012ND10ND
2013ND40ND
2014N/A00N/A
2015ND10ND
2016ND50ND
2017N/A00N/A

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
2012-07-2412G2046-02ND
2013-05-3013E2546-01ND
2013-05-3013E2548-01ND
2013-05-3013E2549-02ND
2013-05-3013E2549-03ND
2015-06-0915F0596-03ND
2016-03-223418445ND
2016-03-223418465ND
2016-03-223418503ND
2016-03-223418533ND
2016-03-223418541ND