Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Tempe Water Supply Corporation 1

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
2018-02-13AE13556ND
2018-02-13AE13592ND
2018-02-13AE13596ND
2018-02-13AE13554ND
2019-02-26AE55992ND
2019-02-26AE55996ND
2019-02-26AE56002ND
2019-02-26AE56004ND
2020-02-12AE98142ND
2020-02-12AE98144ND
2020-02-12AE98146ND
2020-02-12AE98190ND
2021-01-27AF41351ND
2021-01-27AF41361ND
2021-01-27AF41359ND
2021-01-27AF41357ND
2022-02-09AF84010ND
2022-02-09AF84012ND
2022-02-09AF84014ND
2022-02-09AF84016ND
2023-02-16AG29345ND
2023-02-16AG29347ND
2023-02-16AG29357ND
2023-05-30AG42342ND