Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

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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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
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
2018-01-1038158601ND
2018-04-0439069901ND
2018-07-0340201501ND
2018-10-0441308901ND
2019-01-0942495701ND
2019-04-1043656201ND
2019-07-1645013801ND
2019-10-1046829601ND
2020-02-1221682290.00ND
2020-04-0922039231.00ND
2020-07-0922623457.00ND
2020-10-0623198011.00ND
2021-01-0823727854.00ND
2021-04-0624263164.00ND
2021-08-1225038901.00ND
2021-10-1325420767.00ND
2022-01-0625957927.00ND
2022-04-0626479729.00ND
2022-07-1327053551.00ND
2022-10-0527656717.00ND
2023-01-0528187420.00ND
2023-04-0528718752.00ND
2023-07-0629317588.00ND
2023-10-0529901733.00ND