Chlorodifluoromethane
Norfolk Naval Shipyard
NOTE: Norfolk Naval Shipyard purchases water from City of Portsmouth which is required to test for chlorodifluoromethane. Sample information shown below was taken by City of Portsmouth.
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 |
---|---|---|---|---|
2014 | ND | 4 | 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
NOTE: Norfolk Naval Shipyard purchases water from City of Portsmouth which is required to test for chlorodifluoromethane. Sample information shown below was taken by City of Portsmouth.
Date | Lab ID | Result |
---|---|---|
2013-01-11 | 201301170718AM | ND |
2013-04-09 | 201304110612AM | ND |
2013-07-08 | 201307090245AM | ND |
2013-10-01 | 201310030468AM | ND |