Dichlorodifluoromethane
US Army Aviation and Missile Command
Dichlorodifluoromethane (Freon-12) 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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | 0.349 ppb | 3 | 2 | ND - 0.529 ppb |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-06-03 | 89906032014-2 | ND |
2014-06-03 | 89906032014-1 | ND |
2015-04-14 | 89904142015-1 | ND |
2015-04-14 | 89904142015-2 | ND |
2016-04-12 | 89904122016-2 | ND |
2016-04-12 | 89904122016-1 | ND |
2017-04-11 | 899041120171-2V | ND |
2017-04-11 | 899041120171-1V | ND |
2018-04-17 | 1804034-02 | ND |
2018-04-17 | 1804034-01 | ND |
2019-04-09 | 1904017-01 | 0.529 ppb |
2019-04-09 | 1904017-02 | 0.518 ppb |
2019-12-03 | 1912007-01 | ND |