Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Brunswick / Topsham Water District

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022ND20ND
2023ND30ND

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
2018-04-181804-01967-001ND
2019-05-151905-01974-001ND
2020-05-042005-00167-002ND
2020-05-042005-00164-002ND
2020-05-042005-00161-002ND
2021-08-312108-05047-001ND
2022-07-182207-03089-001ND
2022-07-21402201615-TSNND
2023-05-022305-00382-001ND
2023-05-022305-00379-001ND
2023-06-202306-04105-001ND