Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Hughson, 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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019N/A00N/A
2020N/A00N/A
2021ND60ND
2022N/A00N/A
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
2018-08-15CA5010008_003_003-201808151046ND
2018-08-15CA5010008_005_005-201808151150ND
2018-08-15CA5010008_014_014-201808150910ND
2021-07-20CA5010008_003_003-202107200910ND
2021-07-20CA5010008_005_005-202107200920ND
2021-07-20CA5010008_014_014-202107201345ND
2021-07-20CA5010008_003_003-202107200910ND
2021-07-20CA5010008_005_005-202107200920ND
2021-07-20CA5010008_014_014-202107201345ND
2023-05-18CA5010008_017_017-202305181335ND
2023-05-18CA5010008_016_016-202305181354ND