Chloromethane
South Trail Commerce
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.
14
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 0 | ND |
| 2023 | 0.636 ppb | 11 | 6 | ND - 1.70 ppb |
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 |
|---|---|---|
| 2022-12-08 | 22L0282-01 | ND |
| 2022-12-30 | D2L2371-02VOC | ND |
| 2022-12-30 | D2L2367-02VOC | ND |
| 2023-03-21 | 23C0646-01 | ND |
| 2023-03-27 | 23C0845-01V | ND |
| 2023-06-19 | D3F2157-01VOC | 1.20 ppb |
| 2023-06-19 | D3F2157-08VOC | ND |
| 2023-06-19 | D3F2161-01VOC | 0.700 ppb |
| 2023-06-19 | D3F2161-08VOC | 0.800 ppb |
| 2023-07-21 | D3G2520-07VOC | 1.10 ppb |
| 2023-07-21 | D3G2520-02VOC | 1.50 ppb |
| 2023-07-21 | D3G2520-11VOC | 1.70 ppb |
| 2023-10-24 | 23J0806-02 | ND |
| 2023-10-24 | 23J0806-01 | ND |