Trichlorofluoromethane
Crown Ranch 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.
14
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 | 1 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-06-14 | AE30058 | ND |
| 2019-01-16 | AE50150 | ND |
| 2019-04-16 | AE62572 | ND |
| 2019-08-21 | AE79910 | ND |
| 2019-12-09 | AE91676 | ND |
| 2020-01-27 | AE95380 | ND |
| 2020-01-27 | AE95388 | ND |
| 2021-08-02 | AF64244 | ND |
| 2021-08-02 | AF64246 | ND |
| 2021-11-01 | AF75265 | ND |
| 2022-01-20 | AF81008 | ND |
| 2022-01-20 | AF81018 | ND |
| 2023-07-18 | AG49042 | ND |
| 2023-07-18 | AG49088 | ND |