Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Laurel Ridge

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND40ND
2022ND20ND
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
2018-10-31CB17096-01RE1ND
2019-04-04CC05835-01ND
2020-11-17CD19449-01ND
2021-03-16CE04719-01ND
2021-06-07CE09178-01ND
2021-08-03CE11745-01ND
2021-12-07CE19581-01ND
2022-03-24CF04542-01ND
2022-08-08CF12020-01ND
2023-05-22752-7542-1ND