Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Jblm Mcchord Field

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020N/A00N/A
2021ND50ND
2022ND20ND
2023ND60ND

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
2018-08-14ND
2018-08-14ND
2019-07-31ND
2021-04-074213550ND
2021-04-074213549ND
2021-11-174207231ND
2021-11-194207598ND
2021-11-194207599ND
2022-04-064274425ND
2022-09-284370669ND
2023-04-134441715ND
2023-05-034452074ND
2023-06-144470352ND
2023-06-144470351ND
2023-06-154470350ND
2023-09-064514768ND