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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

University of Missouri Columbia

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.

 

10

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
2014N/A00N/A
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018ND50ND
2019N/A00N/A

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
2015-04-15AC45675ND
2015-04-15AC45678ND
2015-04-15AC45676ND
2015-04-15AC45674ND
2015-07-28AC56874ND
2018-05-21AD18594ND
2018-05-21AD18595ND
2018-05-21AD18597ND
2018-05-22AD18596ND
2018-05-22AD18598ND