Chlorodifluoromethane
City of Baltimore
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 12 | 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 |
|---|---|---|
| 2015-02-02 | 2052650001 | ND |
| 2015-02-02 | 2052649001 | ND |
| 2015-02-02 | 2052646001 | ND |
| 2015-04-23 | 2067277011 | ND |
| 2015-04-23 | 2067277001 | ND |
| 2015-04-23 | 2067277006 | ND |
| 2015-07-22 | 2085075001 | ND |
| 2015-07-22 | 2085075004 | ND |
| 2015-07-22 | 2085075009 | ND |
| 2015-10-27 | 2104524004 | ND |
| 2015-10-27 | 2104527001 | ND |
| 2015-10-27 | 2104524001 | ND |