Chloromethane
Ruston Water System
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.
18
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 |
|---|---|---|---|---|
| 2014 | ND | 17 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 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 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-05-01 | 3019267 | ND |
| 2014-05-01 | 3019241 | ND |
| 2014-05-01 | 3019293 | ND |
| 2014-05-01 | 3019346 | ND |
| 2014-05-01 | 3019359 | ND |
| 2014-05-01 | 3019327 | ND |
| 2014-05-02 | 3019280 | ND |
| 2014-05-02 | 3019228 | ND |
| 2014-05-02 | 3019254 | ND |
| 2014-11-11 | 3138200 | ND |
| 2014-11-11 | 3137991 | ND |
| 2014-11-11 | 3138348 | ND |
| 2014-11-11 | 3137901 | ND |
| 2014-11-11 | 3138087 | ND |
| 2014-11-11 | 3138165 | ND |
| 2014-11-11 | 3138322 | ND |
| 2014-11-11 | 3138298 | ND |
| 2015-01-12 | 3168379 | ND |