Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

City of Caldwell

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND70ND
2020N/A00N/A
2021ND100ND
2022N/A00N/A
2023N/A00N/A

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
2019-08-06V1938594ND
2019-08-06V1938597ND
2019-08-19V1941181ND
2019-08-19V1941183ND
2019-08-19V1941174ND
2019-08-19V1941177ND
2019-08-19V1941179ND
2021-06-30V2132702ND
2021-06-30V2132703ND
2021-08-02V2139301ND
2021-08-02V2139302ND
2021-09-16V2148955ND
2021-09-16V2148956ND
2021-10-28V2158341ND
2021-10-28V2158343ND
2021-10-28V2158342ND
2021-11-15V2162140ND