Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Devens Massdevelopment

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020ND60ND
2021ND60ND
2022ND70ND
2023ND70ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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 Result
2018-04-18ND
2018-04-18ND
2019-04-10ND
2019-04-10ND
2019-11-12ND
2020-05-20ND
2020-05-20ND
2020-05-20ND
2020-05-20ND
2020-05-20ND
2020-05-20ND
2021-04-28ND
2021-04-28ND
2021-04-28ND
2021-04-28ND
2021-04-28ND
2021-04-28ND
2022-05-27ND
2022-06-01ND
2022-06-01ND
2022-06-01ND
2022-06-01ND
2022-06-01ND
2022-06-01ND
2023-06-07ND
2023-06-07ND
2023-06-14ND
2023-06-14ND
2023-06-14ND
2023-06-14ND
2023-10-05ND