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EWG's Tap Water Database

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1,1,1,2-Tetrachloroethane

Cole County PWSD 1

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012ND60ND
2013N/A00N/A
2014N/A00N/A
2015ND60ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 1 ppb

The 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
2012-02-16AB66791ND
2012-02-16AB66790ND
2012-02-16AB66792ND
2012-02-16AB66794ND
2012-02-16AB66795ND
2012-03-26AB70043ND
2015-02-18AC42780ND
2015-02-18AC42778ND
2015-02-18AC42775ND
2015-02-18AC42776ND
2015-02-18AC42777ND
2015-02-18AC42779ND