Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Columbia Water Company

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND40ND

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
2018-04-022306480001ND
2019-04-109042204-01ND
2020-04-0722172654.00ND
2020-04-0722172675.00ND
2020-04-2322173056.00ND
2021-04-1224395237.00ND
2022-04-1126608865.00ND
2023-03-0628662973.00ND
2023-04-0328859674.00ND
2023-04-1729061121.00ND
2023-04-1728859836.00ND