Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

East Montgomery County MUD 4

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.

 

10

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
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND80ND
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
2022-03-08AF88066ND
2022-03-08AF88068ND
2022-04-13AF93154ND
2022-04-13AF93156ND
2022-07-11AG04066ND
2022-07-11AG04068ND
2022-10-18AG17488ND
2022-10-18AG17492ND
2023-05-10AG40023ND
2023-05-10AG40033ND