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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Crotched Mountain Rehab Center

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND30ND
2017ND60ND
2018ND40ND
2019ND40ND

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
2014-12-15139086.02ND
2014-12-15139086.01ND
2015-11-19150566.01ND
2015-11-19150566.02ND
2016-11-16162964.01ND
2016-11-16162964.02ND
2016-12-21164114.01ND
2017-01-17164845.01ND
2017-04-17167693.01ND
2017-09-07173164.01ND
2017-10-05174267.01ND
2017-10-05174267.03ND
2017-10-05174267.02ND
2018-11-12189084.01ND
2018-11-12189084.02ND
2018-11-12189084.03ND
2018-11-12189084.04ND
2019-10-10201670.01ND
2019-10-10201670.02ND
2019-10-10201670.03ND
2019-10-10201670.04ND