Chlorodifluoromethane
Contra Costa Water District
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | ND | 8 | 0 | ND |
2014 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2013-03-19 | 201303200300AM | ND |
2013-03-20 | 201303210135AM | ND |
2013-06-11 | 201306120211AM | ND |
2013-06-12 | 201306130200AM | ND |
2013-09-10 | 201309110439AM | ND |
2013-09-11 | 201309120475AM | ND |
2013-12-10 | 201312120835AM | ND |
2013-12-11 | 201312120837AM | ND |