Trichlorofluoromethane
Shady Harbor Fire District
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.
12
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 | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-04-24 | 1801832-03_TO12 | ND |
| 2018-04-24 | 1801832-01_TO12 | ND |
| 2018-04-24 | 1801832-04_TO12 | ND |
| 2018-04-24 | 1801832-02_TO12 | ND |
| 2019-04-26 | 1901821-03_TO12 | ND |
| 2020-04-29 | 2001792-04_TO12 | ND |
| 2021-04-12 | 2101744-01_TO12 | ND |
| 2021-04-12 | 2101744-02_TO12 | ND |
| 2021-04-12 | 2101744-03_TO12 | ND |
| 2021-04-12 | 2101744-04_TO12 | ND |
| 2022-04-27 | 2201737-04_TO12 | ND |
| 2023-04-25 | 2301874-04_TO12 | ND |