Trichlorofluoromethane
Estates At Highland Ridge
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.
38
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 | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 8 | 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 | Result |
|---|---|
| 2018-05-22 | ND |
| 2018-05-22 | ND |
| 2018-05-22 | ND |
| 2018-05-22 | ND |
| 2018-05-22 | ND |
| 2018-10-10 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-12-23 | ND |
| 2020-05-14 | ND |
| 2020-05-14 | ND |
| 2020-05-14 | ND |
| 2020-05-14 | ND |
| 2020-05-14 | ND |
| 2020-12-14 | ND |
| 2021-04-26 | ND |
| 2021-04-26 | ND |
| 2021-04-26 | ND |
| 2021-04-26 | ND |
| 2021-04-26 | ND |
| 2021-12-28 | ND |
| 2022-06-21 | ND |
| 2022-06-21 | ND |
| 2022-06-21 | ND |
| 2022-06-21 | ND |
| 2022-06-21 | ND |
| 2022-12-21 | ND |
| 2023-06-26 | ND |
| 2023-06-26 | ND |
| 2023-06-26 | ND |
| 2023-06-26 | ND |
| 2023-06-26 | ND |
| 2023-10-23 | ND |
| 2023-12-12 | ND |
| 2023-12-13 | ND |