1,1,1-Trichloroethane
Veolia Water Pa Dallas
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
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-02-14 | 2295844001 | ND |
| 2019-02-08 | 1902-806-1 | ND |
| 2020-02-12 | 21682495.00 | ND |
| 2020-02-12 | 21682475.00 | ND |
| 2020-02-12 | 21682455.00 | ND |
| 2020-02-12 | 21682435.00 | ND |
| 2020-02-12 | 21682415.00 | ND |
| 2020-02-12 | 21682395.00 | ND |
| 2021-01-14 | 23727978.00 | ND |
| 2022-03-01 | 26131901.00 | ND |
| 2023-02-06 | 28363779.00 | ND |
| 2023-02-06 | 28363800.00 | ND |
| 2023-02-06 | 28363821.00 | ND |
| 2023-02-06 | 28363842.00 | ND |
| 2023-02-06 | 28363863.00 | ND |
| 2023-02-06 | 28363884.00 | ND |