Trichlorofluoromethane
Riverwalk Subdivision
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 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
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 |
|---|---|---|
| 2018-01-22 | AE09589 | ND |
| 2018-01-22 | AE09591 | ND |
| 2018-01-22 | AE09581 | ND |
| 2019-11-25 | AE90392 | ND |
| 2019-11-25 | AE90394 | ND |
| 2019-11-25 | AE90408 | ND |
| 2020-09-03 | AF26500 | ND |
| 2020-09-03 | AF26502 | ND |
| 2020-09-03 | AF26506 | ND |
| 2021-07-26 | AF63303 | ND |
| 2021-07-26 | AF63347 | ND |
| 2021-07-26 | AF63345 | ND |
| 2022-08-24 | AG10787 | ND |
| 2022-08-24 | AG10791 | ND |
| 2022-08-24 | AG10799 | ND |
| 2023-08-03 | AG51336 | ND |
| 2023-08-03 | AG51354 | ND |
| 2023-08-03 | AG51356 | ND |