Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

United Water Pennsylvania

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
2018-02-122295329001ND
2018-02-122295329002ND
2019-01-14H9A0679-01ND
2019-01-14H9A0679-02ND
2020-02-1021794015.00ND
2020-02-1021793974.00ND
2021-01-0623839662.00ND
2021-01-0623839627.00ND
2022-02-0926241008.00ND
2022-09-1427589636.00ND
2023-02-0928473481.00ND
2023-09-0629836439.00ND