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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Eglin West/housing

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND10ND
2016N/A00N/A
2017ND80ND
2018ND20ND
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 Result
2014-03-05ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2014-07-10ND
2015-01-27ND
2017-02-22ND
2017-02-22ND
2017-02-22ND
2017-02-22ND
2017-02-22ND
2017-02-22ND
2017-02-22ND
2017-04-11ND
2018-03-14ND
2018-03-14ND