Chloromethane
Canada Woods Water Company
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.267 ppb | 3 | 1 | ND - 0.800 ppb |
| 2019 | ND | 5 | 0 | ND |
| 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 |
|---|---|---|
| 2018-04-06 | CA2702588_029_029-201804061010 | ND |
| 2018-07-31 | CA2702588_029_029-201807310900 | ND |
| 2018-10-11 | CA2702588_029_029-201810110924 | 0.800 ppb |
| 2019-01-29 | CA2702588_029_029-201901291100 | ND |
| 2019-03-28 | CA2702588_027_027-201903281216 | ND |
| 2019-08-27 | CA2702588_002_002-201908271134 | ND |
| 2019-08-27 | CA2702588_001_001-201908271122 | ND |
| 2019-12-12 | CA2702588_008_008-201912120829 | ND |