Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

City of Troutdale

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.

 

13

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
2019N/A00N/A
2020ND70ND
2021N/A00N/A
2022ND60ND
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
2020-07-29VDG012105-VND
2020-07-29VDG012103-VND
2020-07-29VDG012107-VND
2020-07-29VDG012111-VND
2020-07-29VDG012101-VND
2020-07-29VDG012109-VND
2020-07-29VDG012113-VND
2022-05-3122-006286-0001-VND
2022-05-3122-06286-0006-VND
2022-05-3122-006286-0002-VND
2022-05-3122-006286-0004-VND
2022-05-3122-006286-0005-VND
2022-05-3122-006286-0003-VND