Chlorodifluoromethane
City of Flagstaff
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.
22
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 | 13 | 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 |
|---|---|---|
| 2013-10-30 | 201310310165AM | ND |
| 2013-10-31 | 201311010185AM | ND |
| 2013-11-07 | 201311080311AM | ND |
| 2013-11-07 | 201311080313AM | ND |
| 2013-11-07 | 201311080315AM | ND |
| 2013-11-07 | 201311080317AM | ND |
| 2013-11-14 | 201311150345AM | ND |
| 2013-11-14 | 201311150356AM | ND |
| 2013-11-14 | 201311150347AM | ND |
| 2014-01-29 | 201401300194AM | ND |
| 2014-01-29 | 201401300212AM | ND |
| 2014-04-30 | 201405020267AM | ND |
| 2014-04-30 | 201405020261AM | ND |
| 2014-04-30 | 201405020165AM | ND |
| 2014-04-30 | 201405020259AM | ND |
| 2014-04-30 | 201405020263AM | ND |
| 2014-04-30 | 201405020163AM | ND |
| 2014-05-02 | 201405060311AM | ND |
| 2014-05-29 | 201405300269AM | ND |
| 2014-06-12 | 201406130296AM | ND |
| 2014-07-17 | 201407180219AM | ND |
| 2014-07-17 | 201407180221AM | ND |