Chlorodifluoromethane
West Slope Water District
NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for chlorodifluoromethane. Sample information shown below was taken by Portland Water Bureau.
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 | 1 | 0 | ND |
2014 | ND | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
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: West Slope Water District purchases water from Portland Water Bureau which is required to test for chlorodifluoromethane. Sample information shown below was taken by Portland Water Bureau.
Date | Lab ID | Result |
---|---|---|
2014-03-19 | 201403200340AM | ND |
2014-06-26 | 201406270434AM | ND |
2014-07-08 | 201407090732AM | ND |
2014-09-11 | 201409120826AM | ND |
2014-12-10 | 201412110612AM | ND |
2015-06-17 | 201506180496AM | ND |