Chloromethane
Hardyston Township Municipal Utilities Authority
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.
10
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 | 5 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-03-20 | L7010368-3 | ND |
| 2018-05-15 | L7025940-2 | ND |
| 2018-06-20 | L7042368-4 | ND |
| 2018-09-12 | L7071987-1 | ND |
| 2018-12-18 | L7089323-3 | ND |
| 2019-03-06 | L7108097-1 | ND |
| 2020-06-26 | 200626034-01 | ND |
| 2021-07-21 | 210721105-02 | ND |
| 2021-07-21 | 210721105-07 | ND |
| 2022-09-13 | 220913061-04 | ND |