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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

City of Brighton

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND70ND
2013ND120ND
2014ND40ND
2015ND50ND
2016ND20ND
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 Result
2012-02-27ND
2012-05-09ND
2012-06-29ND
2012-08-16ND
2012-09-17ND
2012-09-17ND
2012-10-16ND
2013-03-18ND
2013-03-18ND
2013-03-18ND
2013-04-12ND
2013-04-12ND
2013-05-13ND
2013-05-13ND
2013-06-12ND
2013-07-08ND
2013-07-08ND
2013-09-30ND
2013-11-22ND
2014-04-28ND
2014-04-28ND
2014-09-17ND
2014-11-13ND
2015-02-18ND
2015-04-13ND
2015-04-13ND
2015-09-01ND
2015-11-03ND
2016-01-04ND
2016-01-04ND
2017-04-05ND
2017-04-05ND