Chlorodifluoromethane
City of Edmonds
NOTE: City of Edmonds purchases water from Alderwood Water District which is required to test for chlorodifluoromethane. Sample information shown below was taken by Alderwood 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.
4
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 | 4 | 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
NOTE: City of Edmonds purchases water from Alderwood Water District which is required to test for chlorodifluoromethane. Sample information shown below was taken by Alderwood Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2013-02-11 | WA97-SE1-13-0241 | ND |
| 2013-05-08 | WA97-SE2-13-0788 | ND |
| 2013-08-15 | WA97-SE3-13-1524 | ND |
| 2013-11-06 | WA97-SE4-13-2119 | ND |