1,1,1-Trichloroethane
Calcasieu Parish WW District No 1
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.
15
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2019-07-16 | 35483171001 | ND |
| 2019-07-16 | 35483171001 | ND |
| 2020-02-10 | 35530699001 | ND |
| 2020-02-10 | 35530699002 | ND |
| 2020-02-10 | 35530699003 | ND |
| 2020-02-10 | 35530699004 | ND |
| 2021-06-22 | 35642979001 | ND |
| 2021-09-27 | 35666638001 | ND |
| 2021-12-13 | 35685467001 | ND |
| 2022-02-21 | 35698854001 | ND |
| 2022-05-02 | 35714834001 | ND |
| 2023-02-06 | 35778070001 | ND |
| 2023-02-06 | 35778070002 | ND |
| 2023-02-06 | 35778070003 | ND |
| 2023-02-06 | 35778070004 | ND |