Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Altoona Water Authority

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.

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND80ND
2022ND60ND
2023ND50ND

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
2018-08-288H28046-01ND
2018-08-288H28044-01ND
2018-08-288H28051-01ND
2018-08-288H28032-01ND
2018-08-288H28031-01ND
2018-08-288H28047-01ND
2019-11-069K07058-01ND
2019-11-069K07058-03ND
2019-11-079K07074-01ND
2019-11-079K07072-01ND
2019-12-059L05126-01ND
2020-02-0621729178.00ND
2020-08-0522869713.00ND
2020-08-0522869712.00ND
2020-08-0522869711.00ND
2020-08-1022869924.00ND
2020-08-1022869925.00ND
2020-08-1022869923.00ND
2021-07-0124897507.00ND
2021-07-0824897528.00ND
2021-08-1025092087.00ND
2021-08-1025092033.00ND
2021-08-1025092086.00ND
2021-08-1025092034.00ND
2021-08-1025092035.00ND
2021-12-1325828704.00ND
2022-02-2426177241.00ND
2022-08-1627309603.00ND
2022-08-1627309679.00ND
2022-08-1627308844.00ND
2022-08-1627309645.00ND
2022-11-1027885526.00ND
2023-07-2629371571.00ND
2023-07-2629371528.00ND
2023-07-2629371484.00ND
2023-07-2629371550.00ND
2023-07-2629371506.00ND