Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Pennsylvania American Water Company - Hershey

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
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
2018-01-0438148701ND
2019-01-1742486001ND
2019-07-2245996201ND
2020-02-1021794489.00ND
2020-03-0421973214.00ND
2021-01-0523840017.00ND
2021-01-0623840038.00ND
2022-01-2526070912.00ND
2022-02-1026241222.00ND
2023-01-1628300876.00ND
2023-01-1628300895.00ND