Chlorodifluoromethane
City of Humble
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 | 7 | 0 | ND |
2014 | ND | 7 | 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
Date | Lab ID | Result |
---|---|---|
2013-09-16 | 2897698 | ND |
2013-09-16 | 2897716 | ND |
2013-09-16 | 2897766 | ND |
2013-09-16 | 2897739 | ND |
2013-09-16 | 2897796 | ND |
2013-09-16 | 2897707 | ND |
2013-12-03 | 2939520 | ND |
2014-03-20 | 2996227 | ND |
2014-03-20 | 2995901 | ND |
2014-03-20 | 2995835 | ND |
2014-03-20 | 2996249 | ND |
2014-03-20 | 2995721 | ND |
2014-03-20 | 2997019 | ND |
2014-11-17 | 3140542 | ND |