Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

East Hampton WPCA - Royal Oaks 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.

 

12

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
2022ND20ND
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 Lab ID Result
2018-03-13116549GEND
2018-03-13116550GEND
2019-09-24127776ND
2019-09-24127777ND
2020-02-25130648ND
2020-02-25130649ND
2021-12-28144447ND
2021-12-28144448ND
2022-10-12152056ND
2022-10-12152057ND
2023-09-28163605ND
2023-12-28166829ND