Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

City of Charlotte

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-05-04AE25365ND
2018-06-11AE29260ND
2019-03-11AE57827ND
2019-03-11AE57855ND
2020-05-08AF10399ND
2020-05-08AF10407ND
2021-03-10AF46320ND
2021-09-20AF70453ND
2022-09-08AG12139ND
2022-09-08AG12143ND
2023-08-17AG53042ND
2023-08-17AG53044ND