Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Huttig 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
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
2018-02-2718060003201ND
2018-10-2918305001209ND
2019-01-2819031001001ND
2019-01-2819031001109ND
2019-05-0119121003308ND
2019-09-0319248002109ND
2020-01-2820030005107ND
2020-06-1620170003902ND
2021-01-2721028015001ND
2021-05-1921140004502ND
2022-01-2422027007501ND
2022-05-23O198471-VOC-1ND
2023-02-14O206558-VOC-1ND
2023-05-30O209502-VOC-1ND