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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

City of Martinsburg

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
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
2014-01-08VOC_1401722-01AND
2014-01-13VOC_1401C35-02AND
2015-01-14VOC_1501F37-02AND
2015-01-21VOC_1501M79-01AND
2016-01-11242862-2016-DWAND
2016-02-221602Q15-01AND
2017-01-05261198-2017-DWND
2017-02-0617020743-01AND
2018-01-04279455-2018-DWVND
2018-01-11279768-2018-DWVND
2019-01-15299672-2019-DWVND
2019-01-16299775-2019-DWVND