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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Missouri American - Joplin

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

27

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
2014ND40ND
2015ND20ND
2016ND80ND
2017ND30ND
2018ND10ND
2019ND90ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-1824967501ND
2014-09-1526904301ND
2014-09-1526904801ND
2014-11-1927778901ND
2015-03-0928409301ND
2015-04-1328621501ND
2016-03-0431416501ND
2016-03-0431417601ND
2016-03-0431418001ND
2016-04-1831773001ND
2016-04-1831773401ND
2016-06-0732172101ND
2016-06-0732171701ND
2016-07-1931772701ND
2017-03-0634852701ND
2017-09-0536993601ND
2017-11-1436993901ND
2018-03-0638819301ND
2019-03-1143437601ND
2019-03-1143437901ND
2019-03-1143438101ND
2019-04-0843595501ND
2019-04-0843595801ND
2019-06-0344570301ND
2019-06-0344570401ND
2019-08-1943596101ND
2019-11-1847678301ND