Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Elk River

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019ND30ND
2020ND60ND
2021ND30ND
2022N/A00N/A
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
2018-01-2318A0771-01ND
2018-03-1318C0478-01ND
2018-03-1318C0479-01ND
2018-03-1318C0479-02ND
2018-03-1318C0479-03ND
2018-05-0818E0607-01ND
2018-07-3118G2014-01ND
2018-07-3118G2014-02ND
2018-12-0618L0232-01ND
2018-12-0618L0232-02ND
2019-01-2319A0796-01ND
2019-01-2319A0796-02ND
2019-10-3019J1749-01ND
2020-10-2720J1500-01ND
2020-10-2720J1500-02ND
2020-10-2720J1500-03ND
2020-10-2720J1504-02ND
2020-10-2720J1504-03ND
2020-10-2720J1523-01ND
2021-06-1421F0874-01ND
2021-06-1421F0875-01ND
2021-06-1421F0875-02ND
2023-10-1623J0803-01ND
2023-11-2823K1276-01ND
2023-11-2823K1276-02ND