Chloromethane
Smithville
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.
10
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 | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2018-05-15 | AJ89544 | ND |
| 2018-05-15 | AJ89545 | ND |
| 2021-11-11 | AK90633 | ND |
| 2021-11-11 | AK90634 | ND |
| 2021-12-08 | AK92237 | ND |
| 2021-12-08 | AK92238 | ND |
| 2022-05-02 | AL00129 | ND |
| 2022-05-02 | AL00130 | ND |
| 2023-03-07 | AL26835 | ND |
| 2023-03-07 | AL26836 | ND |