Chlorodifluoromethane
St Charles
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.
12
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 |
|---|---|---|---|---|
| 2014 | ND | 12 | 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 |
|---|---|---|
| 2014-02-11 | 24789801 | ND |
| 2014-02-11 | 24789901 | ND |
| 2014-02-11 | 24789701 | ND |
| 2014-02-11 | 24790101 | ND |
| 2014-02-11 | 24790001 | ND |
| 2014-04-14 | 24790201 | ND |
| 2014-08-19 | 26745401 | ND |
| 2014-09-11 | 27155201 | ND |
| 2014-09-11 | 27155301 | ND |
| 2014-09-11 | 27154901 | ND |
| 2014-09-11 | 27155101 | ND |
| 2014-09-11 | 27155001 | ND |