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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Lexington Park

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND120ND
2017ND10ND
2018N/A00N/A
2019ND20ND

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
2014-04-300180007_01_00480ND
2015-08-17E16000638001ND
2016-08-25E17000822003ND
2016-08-25E17000822001ND
2016-08-25E17000823003ND
2016-08-31E17000930003ND
2016-08-31E17000930001ND
2016-08-31E17000914006ND
2016-09-21E17001334001ND
2016-09-21E17001289001ND
2016-09-21E17001281001ND
2016-09-21E17001293003ND
2016-09-21E17001285003ND
2016-09-26E17001366001ND
2017-07-05E18000030006ND
2019-09-23E20001187001ND
2019-09-23E20001189001ND