Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Aqua Pa West Chester

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND30ND
2021ND30ND
2022ND30ND
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
2018-01-29AF74444ND
2018-02-22AF77012ND
2018-03-22AF78070ND
2019-03-06AG10280ND
2019-03-06AG10262ND
2019-03-06AG10272ND
2019-03-07AG10725ND
2020-03-1021839026.00ND
2020-03-1121839005.00ND
2020-04-0222014461.00ND
2021-02-1023881864.00ND
2021-02-1023881885.00ND
2021-02-1023881906.00ND
2022-01-2825934696.00ND
2022-02-2426110784.00ND
2022-03-2826280761.00ND
2023-03-2328514073.00ND
2023-03-2828514094.00ND