Chloromethane
Clear Creek Forest Section 12
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.
12
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 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 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 |
|---|---|---|
| 2018-04-02 | AE20867 | ND |
| 2018-04-02 | AE20873 | ND |
| 2019-11-07 | AE88941 | ND |
| 2019-11-07 | AE88947 | ND |
| 2020-11-18 | AF35103 | ND |
| 2020-11-18 | AF35105 | ND |
| 2021-08-26 | AF68153 | ND |
| 2021-08-26 | AF68155 | ND |
| 2022-10-17 | AG17256 | ND |
| 2022-10-17 | AG17258 | ND |
| 2023-02-07 | AG27733 | ND |
| 2023-02-07 | AG27739 | ND |