Chlorodifluoromethane
City of Nogales
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 |
|---|---|---|
| 2015-02-25 | 3195435 | ND |
| 2015-02-25 | 3195444 | ND |
| 2015-02-25 | 3195636 | ND |
| 2015-02-25 | 3195652 | ND |
| 2015-02-26 | 3196365 | ND |
| 2015-02-26 | 3196403 | ND |
| 2015-08-11 | 3299570 | ND |
| 2015-08-11 | 3299859 | ND |
| 2015-08-11 | 3299802 | ND |
| 2015-08-11 | 3299559 | ND |
| 2015-08-11 | 3299763 | ND |
| 2015-08-11 | 3299846 | ND |