Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Rumford 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND10ND
2020ND30ND
2021ND10ND
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
2019-06-18201906120085-TSNRND
2020-01-15452000052-TSNND
2020-08-182004566-01ND
2020-08-182004565-01ND
2021-07-132102943-01ND
2022-08-182208-04176-004ND
2022-09-132204966-01ND
2023-08-082308-01768-003ND
2023-08-082308-01768-001ND