Chlorodifluoromethane
California Water Service - South San Francisco
Chlorodifluoromethane (Freon 22) 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 |
|---|---|---|---|---|
| 2013 | ND | 6 | 0 | ND |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-06-05 | A3E1725-01A | ND |
| 2013-06-05 | A3E1725-06A | ND |
| 2013-09-10 | A3H2133-01A | ND |
| 2013-09-10 | A3H2133-05A | ND |
| 2013-12-04 | A3K1347-05A | ND |
| 2013-12-04 | A3K1347-01A | ND |
| 2014-03-10 | A4B1883-01A | ND |
| 2014-03-10 | A4B1883-05A | ND |