Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Nikishka Bay

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.50 ppb111.50 ppb
20191.30 ppb111.30 ppb
20201.30 ppb111.30 ppb
20211.15 ppb221.10 ppb - 1.20 ppb
20221.10 ppb111.10 ppb
20230.980 ppb110.980 ppb

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
2018-10-10VO*40898431.50 ppb
2019-04-03440-238643-11.30 ppb
2020-03-1745924531.30 ppb
2021-07-1349606161.10 ppb
2021-12-20810-10877-21.20 ppb
2022-05-11810-24848-21.10 ppb
2023-04-26810-61640-10.980 ppb