1,1,1-Trichloroethane
Conyngham Water Company
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.
22
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
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 |
|---|---|---|
| 2018-04-17 | 7048808001 | ND |
| 2018-04-17 | 7048808002 | ND |
| 2018-04-17 | 7048808003 | ND |
| 2019-03-12 | 1903-156-2 | ND |
| 2019-03-12 | 19030-156-1 | ND |
| 2019-03-12 | 1903-156-1 | ND |
| 2020-03-02 | 21862233.00 | ND |
| 2020-03-02 | 21862213.00 | ND |
| 2020-03-02 | 21862193.00 | ND |
| 2020-03-02 | 21862173.00 | ND |
| 2020-03-02 | 21862153.00 | ND |
| 2021-06-01 | 24454893.00 | ND |
| 2021-06-01 | 24454873.00 | ND |
| 2021-06-01 | 24454913.00 | ND |
| 2022-04-04 | 26478820.00 | ND |
| 2022-04-04 | 26478840.00 | ND |
| 2022-04-04 | 26478860.00 | ND |
| 2023-03-06 | 28536378.00 | ND |
| 2023-03-06 | 28536398.00 | ND |
| 2023-03-06 | 28536418.00 | ND |
| 2023-12-12 | 30259328.00 | ND |
| 2023-12-12 | 30259308.00 | ND |