Chloromethane
Poulsbo City Of
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.
15
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 | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 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 |
|---|---|---|
| 2014-09-30 | WA97-SE1-14-19427-44205 | ND |
| 2014-09-30 | WA97-SE1-14-19427-44206 | ND |
| 2014-09-30 | WA97-SE1-14-19427-44202 | ND |
| 2014-09-30 | WA97-SE1-14-19427-44201 | ND |
| 2014-09-30 | WA97-SE1-14-19427-44204 | ND |
| 2014-09-30 | WA97-SE1-14-19427-44203 | ND |
| 2018-04-25 | ND | |
| 2018-04-25 | ND | |
| 2018-06-15 | ND | |
| 2018-07-18 | ND | |
| 2018-10-16 | ND | |
| 2018-10-25 | ND | |
| 2019-03-21 | ND | |
| 2019-08-29 | ND | |
| 2019-10-23 | ND |