Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Montmorenci Water District

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND50ND
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
2018-02-27AE08322ND
2018-05-23AE12655ND
2018-08-22AE17063ND
2018-11-13AE21220ND
2019-02-20AE26033ND
2019-04-30AE29543ND
2019-08-27AE36167ND
2019-11-05AE39706ND
2020-01-14AE42850ND
2020-04-08AE47044ND
2020-08-25AE53392ND
2020-10-07AE55472ND
2021-02-03AE60574ND
2021-04-07AE63774ND
2021-08-25AE71041ND
2021-11-09AE74852ND
2022-02-23AE79524ND
2022-04-07AE81832ND
2022-04-07AE81833ND
2022-08-24AE88862ND
2022-11-02AE92454ND
2023-02-01AE96329ND
2023-04-05AE99712ND
2023-10-04AF09676ND