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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

City of Lexington

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013ND40ND
2014ND10ND
2015ND40ND
2016ND40ND
2017ND20ND

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
2012-03-05153190ND
2012-03-05153191ND
2012-03-05153193ND
2012-03-05153194ND
2012-09-10186524ND
2012-09-10186523ND
2013-03-04215263ND
2013-03-04215264ND
2013-03-04215265ND
2013-03-04215262ND
2014-11-17328698ND
2015-02-17343423ND
2015-02-17343424ND
2015-03-09345991ND
2015-03-09345992ND
2016-03-07ND
2016-03-07ND
2016-03-07ND
2016-03-07ND
2017-10-24ND
2017-10-24ND