Chlorodifluoromethane
Calhoun
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.
8
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 8 | 0 | ND |
| 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 |
|---|---|---|
| 2015-02-03 | 3180908 | ND |
| 2015-02-04 | 3181585 | ND |
| 2015-05-11 | 3240004 | ND |
| 2015-05-11 | 3240028 | ND |
| 2015-08-05 | 3293589 | ND |
| 2015-08-05 | 3293605 | ND |
| 2015-11-19 | 3362371 | ND |
| 2015-11-30 | 3366022 | ND |