Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Kingston Water System

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
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND40ND
2023ND20ND

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
2018-02-05ND
2018-02-05ND
2019-02-04ND
2019-02-04ND
2020-02-10ND
2020-02-10ND
2021-02-08ND
2021-02-08ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2022-02-15ND
2023-12-11ND
2023-12-11ND