1,1,1-Trichloroethane
Wellsburg, City Of
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.
27
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 | 4 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | 0.133 ppb | 4 | 1 | ND - 0.530 ppb |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-03-01 | 18030270-01A | ND |
| 2018-04-05 | 18040808-01A | ND |
| 2018-08-02 | 18080546-01A | ND |
| 2018-12-13 | 18121915-01A | ND |
| 2019-01-24 | 19012840-01A | ND |
| 2019-06-19 | 19062578-01A | ND |
| 2019-08-19 | M19-28116-03 | ND |
| 2019-09-30 | 468016 | ND |
| 2019-11-26 | M19-36367-01 | ND |
| 2020-03-03 | M20-14668-01 | ND |
| 2020-03-03 | M20-14668-01 | ND |
| 2020-04-09 | M20-17650-01 | ND |
| 2020-08-05 | M20-27568-01 | ND |
| 2020-11-05 | M20-35836-01 | ND |
| 2021-03-15 | M21-15500-01 | ND |
| 2021-05-24 | M21-20987-01 | 0.530 ppb |
| 2021-08-05 | M21-28224-01 | ND |
| 2021-11-16 | M21-37604-01 | ND |
| 2022-02-24 | M22-14528-01 | ND |
| 2022-05-03 | M22-20781-01 | ND |
| 2022-08-10 | M22-31283-01 | ND |
| 2022-11-30 | 2208835-01 | ND |
| 2023-02-13 | 2305102-01 | ND |
| 2023-06-07 | 2319754-01 | ND |
| 2023-09-06 | 2333450-01 | ND |
| 2023-10-11 | 2338475-01 | ND |
| 2023-11-29 | 2344286-01 | ND |