Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Grangeville Water Department

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
2018ND10ND
2019ND50ND
2020ND40ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2018-10-23V181024032-001ND
2019-11-05V191106027-004ND
2019-11-05V191106056-006ND
2019-11-19V191119041-001ND
2019-11-19V191119041-003ND
2019-12-03V191203062-001ND
2020-01-28V200129023-001ND
2020-02-11V200212049-001ND
2020-05-26VMAE0634-01ND
2020-08-25VMAH0673-01ND
2021-12-21VMBL0705-05ND
2022-12-20VMCL0632-05ND
2023-12-12VMDL0406-02ND