Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Lake Marian Resort

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
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND40ND
20220.250 ppb21ND - 0.500 ppb
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 Result
2021-02-22ND
2021-08-09ND
2021-09-01ND
2021-11-03ND
2022-01-260.500 ppb
2022-08-17ND
2023-02-08ND
2023-06-20ND
2023-07-18ND
2023-07-18ND
2023-10-16ND