Chlorodifluoromethane
Philadelphia Water Department
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 |
|---|---|---|---|---|
| 2013 | ND | 9 | 0 | ND |
| 2014 | ND | 3 | 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 |
|---|---|---|
| 2013-05-08 | 1026332010 | ND |
| 2013-05-08 | 1026332013 | ND |
| 2013-05-08 | 1026332007 | ND |
| 2013-08-05 | 1040909010 | ND |
| 2013-08-05 | 1040909013 | ND |
| 2013-08-05 | 1040909007 | ND |
| 2013-11-05 | 1057335010 | ND |
| 2013-11-05 | 1057335013 | ND |
| 2013-11-05 | 1057335007 | ND |
| 2014-02-04 | 201402060555AM | ND |
| 2014-02-04 | 201402060557AM | ND |
| 2014-02-04 | 201402060553AM | ND |