Trichlorofluoromethane
Cazadero Water Company Inc.
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.
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2019-03-22 | CA4900508_006_006-201903221050 | ND |
| 2019-08-02 | CA4900508_005_005-201908021052 | ND |
| 2020-12-21 | CA4900508_001_001-202012210908 | ND |
| 2020-12-21 | CA4900508_011_011-202012210909 | ND |
| 2022-11-03 | CA4900508_005_005-202211031155 | ND |
| 2022-11-03 | CA4900508_006_006-202211031102 | ND |
| 2023-03-06 | CA4900508_011_011-202303060925 | ND |
| 2023-03-06 | CA4900508_001_001-202303060818 | ND |