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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

Oakwood Water System

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND30ND
2017ND10ND

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
2012-02-29AB82344ND
2012-12-20AC07197ND
2013-01-24AC08703ND
2014-04-15AC50587ND
2015-10-14AD10637ND
2016-01-26AD20078ND
2016-05-23AD37761ND
2016-09-20AD50399ND
2017-09-21AD97395ND