Trichlorofluoromethane
City of Vancouver
Trichlorofluoromethane (Freon 11) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 10 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1,300 ppb
The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-30 | ND | |
| 2019-05-30 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2021-03-30 | 4096453 | ND |
| 2021-03-30 | 4096451 | ND |
| 2021-03-30 | 4096450 | ND |
| 2021-03-30 | 4096452 | ND |
| 2021-05-18 | 4118762 | ND |
| 2021-05-18 | 4118752 | ND |
| 2022-03-24 | 4266312 | ND |
| 2022-03-24 | 4266311 | ND |