Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Travis County Municipal Utility District 4

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
2018-02-15AE14083ND
2018-08-13AE36646ND
2019-02-14AE54602ND
2019-08-20AE79613ND
2020-03-03AF00898ND
2020-07-23AF20338ND
2021-01-25AF40768ND
2021-07-07AF60990ND
2022-02-10AF84277ND
2022-08-17AG09728ND
2023-02-14AG28837ND
2023-07-18AG49052ND