1,1,1-Trichloroethane
Bertie County Regional Water
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.
32
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 | 5 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 8 | 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 |
|---|---|---|
| 2018-01-16 | 8802-011618-E10V | ND |
| 2018-02-22 | 8802-022218-E14V | ND |
| 2018-04-16 | 8802-041618-E11V | ND |
| 2018-04-16 | 8802-041618-E12V | ND |
| 2018-09-11 | 8802-091118-E7AV | ND |
| 2019-05-10 | 8802-051019-E3BV | ND |
| 2019-08-06 | 8802-080619-E09V | ND |
| 2019-10-07 | 8802-100719-E02V | ND |
| 2020-01-29 | 8802-012920-E10V | ND |
| 2020-02-03 | 8802-020320-E04V | ND |
| 2020-02-03 | 8802-020320-E14V | ND |
| 2020-04-21 | 8802-042120-E08V | ND |
| 2020-10-13 | 8802-101320-E01V | ND |
| 2021-02-01 | 8802-020121-E14V | ND |
| 2021-04-28 | 8802-042821-E11V | ND |
| 2021-04-28 | 8802-042821-E12V | ND |
| 2021-07-12 | 8802-071221-E12V | ND |
| 2021-09-07 | 8802-090721-E7AV | ND |
| 2021-12-09 | 8802-120921-E12V | ND |
| 2022-02-14 | 8802-021422-E12V | ND |
| 2022-02-14 | 8802-021422-E13V | ND |
| 2022-05-23 | 8802-052322-E12V | ND |
| 2022-05-23 | 8802-052322-E3BV | ND |
| 2022-08-01 | 8802-080122-E09V | ND |
| 2022-08-01 | 8802-080122-E12V | ND |
| 2022-10-26 | 8802-102622-E02V | ND |
| 2022-12-19 | 8802-121922-E06V | ND |
| 2023-01-24 | 8802-012423-E10V | ND |
| 2023-02-07 | 8802-020723-E04V | ND |
| 2023-04-11 | 8802-041123-E01V | ND |
| 2023-04-11 | 8802-041123-E08V | ND |
| 2023-04-11 | 8802-041123-E12V | ND |