Dichlorodifluoromethane
Water District 19
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.
9
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2017-07-05 | ND | |
| 2018-03-15 | ND | |
| 2018-06-13 | ND | |
| 2019-06-12 | ND | |
| 2019-09-10 | ND | |
| 2019-09-16 | ND | |
| 2019-10-08 | ND | |
| 2019-10-08 | ND | |
| 2019-12-17 | ND |