Chlorodifluoromethane
O'Fallon
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.
9
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 | 9 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2013-05-22 | 3594419007AM | ND |
| 2013-05-22 | 3594419005AM | ND |
| 2013-05-22 | 3594419009AM | ND |
| 2013-05-22 | 3594419001AM | ND |
| 2013-05-22 | 3594419003AM | ND |
| 2013-11-19 | 35116896005AM | ND |
| 2013-11-19 | 35116896007AM | ND |
| 2013-11-19 | 35116896001AM | ND |
| 2013-11-19 | 35116896003AM | ND |