Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Gurdon Waterworks

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
2018ND10ND
2019ND60ND
2020ND30ND
2021ND20ND
2022ND30ND
2023ND30ND

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
2018-01-2218025000709ND
2019-01-2319024002009ND
2019-01-2319024002101ND
2019-04-3019122001708ND
2019-08-0619220001809ND
2019-09-0319248000101ND
2019-11-1819324000209ND
2020-02-0420037002001ND
2020-02-0420037002101ND
2020-02-0420037002201ND
2021-02-0921041002401ND
2021-02-0921041002108ND
2022-01-1022013000101ND
2022-01-1122013002609ND
2022-10-03O202442-VOC-1ND
2023-02-13O206443-VOC-1ND
2023-02-13O206441-VOC-1ND
2023-02-13O206442-VOC-1ND