Chloromethane
Bertie County Regional Water
Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.
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 |
|---|---|---|---|---|
| 2014 | ND | 22 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 2.69 ppb
The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-11 | 2990329 | ND |
| 2014-03-11 | 2990286 | ND |
| 2014-03-17 | 2993719 | ND |
| 2014-03-17 | 2993466 | ND |
| 2014-03-17 | 2993520 | ND |
| 2014-03-18 | 2993444 | ND |
| 2014-03-18 | 2993845 | ND |
| 2014-03-18 | 2993789 | ND |
| 2014-03-19 | 2994699 | ND |
| 2014-03-19 | 2994645 | ND |
| 2014-03-19 | 2994871 | ND |
| 2014-09-17 | 3106685 | ND |
| 2014-09-17 | 3106734 | ND |
| 2014-09-17 | 3106407 | ND |
| 2014-09-18 | 3107554 | ND |
| 2014-09-18 | 3107544 | ND |
| 2014-09-18 | 3107751 | ND |
| 2014-09-18 | 3107915 | ND |
| 2014-09-18 | 3107516 | ND |
| 2014-09-18 | 3107794 | ND |
| 2014-09-18 | 3107493 | ND |
| 2014-09-18 | 3107535 | ND |