Chloromethane
City of Hale Center
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.
11
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 | 1 | 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 |
|---|---|---|
| 2018-05-03 | Q1817997001 | ND |
| 2018-05-03 | Q1817997003 | ND |
| 2019-06-26 | Q1940104003 | ND |
| 2019-06-26 | Q1940104005 | ND |
| 2020-07-23 | Q2028981009 | ND |
| 2020-07-23 | Q2028981011 | ND |
| 2021-07-20 | Q2118929002 | ND |
| 2021-07-20 | Q2118929004 | ND |
| 2022-05-05 | Q2213651001 | ND |
| 2022-05-05 | Q2213651010 | ND |
| 2023-06-08 | Q2321643002 | ND |