Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

West Point, City of

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
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND50ND
2023ND80ND

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
2018-01-16530842ND
2018-09-24571941ND
2018-09-24571940ND
2019-01-14592531ND
2019-09-03630428ND
2019-09-03630429ND
2020-02-10650614ND
2020-09-14689975ND
2020-09-14689974ND
2021-01-19713005ND
2021-09-21764409ND
2021-09-21764408ND
2022-01-18778908ND
2022-09-12822877ND
2022-09-12822878ND
2022-12-05835790ND
2022-12-05835789ND
2023-03-06851386ND
2023-03-06851387ND
2023-06-19864105ND
2023-06-19864104ND
2023-09-06879906ND
2023-09-06879907ND
2023-12-05891492ND
2023-12-05891491ND