Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Austin Utilities

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
2018ND10ND
2019ND70ND
2020ND20ND
2021N/A00N/A
2022ND20ND
2023N/A00N/A

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
2018-12-2718L0844-01ND
2019-09-2319I1330-01ND
2019-11-2019K0944-01ND
2019-11-2019K0944-02ND
2019-11-2019K0944-03ND
2019-11-2019K0944-05ND
2019-11-2019K0944-06ND
2019-11-2019K0944-07ND
2020-03-1020C0558-01ND
2020-06-1820F1621-01ND
2022-02-1622B1129-01ND
2022-06-0822F0579-01ND