Dichlorodifluoromethane
Cathedral Gardens Water District
Dichlorodifluoromethane (Freon-12) 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.
1
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 | 35 | 0 | ND |
| 2019 | ND | 39 | 0 | ND |
| 2020 | ND | 24 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 0.0586 ppb | 37 | 2 | ND - 1.60 ppb |
| 2023 | 0.0965 ppb | 37 | 5 | ND - 0.990 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2021-11-24 | 70195832001 | ND |