Chloromethane
Gowanda Village
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.
8
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 | N/A | 0 | 0 | N/A |
| 2020 | 0.485 ppb | 2 | 1 | ND - 0.970 ppb |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2018-09-24 | EHS1800042291-01-POC | ND |
| 2018-09-24 | EHS1800042292-01-POC | ND |
| 2020-08-12 | 0082693-01 | ND |
| 2020-12-15 | 3148598001 | 0.970 ppb |
| 2021-04-06 | EHS2100041027-POC | ND |
| 2021-04-06 | EHS2100041029-POC | ND |
| 2022-09-22 | 2094392-01 | ND |
| 2023-12-21 | A3L3374-01 | ND |