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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Floyd County

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND60ND
2016ND20ND
2017ND20ND
2018ND40ND
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
2014-03-18AI36204ND
2014-04-09AI37698ND
2015-02-24AI65405ND
2015-02-24AI65404ND
2015-02-24AI65403ND
2015-06-03AI78696ND
2015-07-14AI82874ND
2015-10-13AI92694ND
2016-01-25AJ04875ND
2016-01-25AJ04874ND
2017-05-09AJ55010ND
2017-05-09AJ55009ND
2018-02-26AJ84509ND
2018-02-26AJ84508ND
2018-02-26AJ84507ND
2018-02-26AJ84506ND
2019-04-03AK14481ND
2019-04-03AK14482ND