Chloromethane
City of Tolar
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 |
|---|---|---|
| 2018-08-02 | Q1830780001 | ND |
| 2018-08-02 | Q1830780003 | ND |
| 2019-08-26 | Q1959151003 | ND |
| 2019-08-26 | Q1959151005 | ND |
| 2020-08-12 | Q2032138001 | ND |
| 2020-08-12 | Q2032138003 | ND |
| 2021-06-07 | Q2114601005 | ND |
| 2021-06-07 | Q2114601007 | ND |
| 2022-06-20 | Q2216937001 | ND |
| 2022-06-20 | Q2216937003 | ND |
| 2023-05-10 | Q2317956005 | ND |
| 2023-05-10 | Q2317956007 | ND |