Chloromethane
City of Wilson
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 |
|---|---|---|
| 2018-01-10 | Q1801124012 | ND |
| 2018-01-10 | Q1801124017 | ND |
| 2019-04-02 | Q1913309001 | ND |
| 2019-04-02 | Q1913309005 | ND |
| 2020-01-14 | Q2001306004 | ND |
| 2020-01-14 | Q2001306006 | ND |
| 2021-01-21 | Q2101561016 | ND |
| 2021-01-21 | Q2101561018 | ND |
| 2022-02-22 | Q2206281003 | ND |
| 2022-02-22 | Q2206281005 | ND |
| 2023-01-23 | Q2303001004 | ND |
| 2023-01-23 | Q2303001006 | ND |