Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Connecticut Water Company - Hebron Center Division

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND40ND
2023ND50ND

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 Lab ID Result
2018-04-09CA16134VOC1ND
2019-02-11VOC1 200521212ND
2020-09-21VOC1 200591010ND
2021-08-31300048791 300048800ND
2021-10-25V300088205 300088206ND
2022-01-13CK16254ND
2022-04-21CL13693ND
2022-07-07CL72297ND
2022-10-18CM65668ND
2023-01-12CN22972ND
2023-04-17CN85298ND
2023-08-15CO75345ND
2023-10-17CP28039ND
2023-10-24CP33075ND