Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Hartford

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
2018ND40ND
2019ND40ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2018-01-158012323-01ND
2018-05-158052957-01ND
2018-07-238074417-01ND
2018-10-168103480-01ND
2019-01-149012448-01ND
2019-05-209054161-01ND
2019-07-169073599-01ND
2019-11-189113327-01ND
2020-01-270014692-01ND
2020-05-200053840-01ND
2020-08-110082578-01ND
2021-09-21EI04364-01ND
2022-08-31FI00240-01ND
2023-07-24GG04303-01ND