Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Paw Blue Mountain Division

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND50ND
2021ND40ND
2022ND40ND
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
2018-01-1038160101ND
2019-01-0942498201ND
2019-07-1645238801ND
2020-04-2222086243.00ND
2020-04-2922086552.00ND
2020-04-2922086573.00ND
2020-05-1122278296.00ND
2020-05-1122278317.00ND
2021-04-1224308442.00ND
2021-04-1224308463.00ND
2021-07-2124889778.00ND
2021-07-2124889799.00ND
2022-04-1826522949.00ND
2022-04-1826522970.00ND
2022-08-0327300374.00ND
2022-08-0427300355.00ND
2023-04-1028766766.00ND
2023-04-1028766747.00ND
2023-04-1128766715.00ND
2023-04-1128766687.00ND
2023-06-0729172429.00ND