Chlorodifluoromethane
City of Alexandria Water System
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.
20
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 | 20 | 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 |
|---|---|---|
| 2015-02-09 | 3183647 | ND |
| 2015-02-10 | 3184617 | ND |
| 2015-02-16 | 3188968 | ND |
| 2015-02-16 | 3188943 | ND |
| 2015-02-17 | 3189403 | ND |
| 2015-02-17 | 3192245 | ND |
| 2015-02-17 | 3189535 | ND |
| 2015-02-17 | 3189365 | ND |
| 2015-02-17 | 3193143 | ND |
| 2015-02-18 | 3192254 | ND |
| 2015-08-04 | 3292505 | ND |
| 2015-08-04 | 3292908 | ND |
| 2015-08-05 | 3293580 | ND |
| 2015-08-05 | 3293571 | ND |
| 2015-08-06 | 3294804 | ND |
| 2015-08-06 | 3294789 | ND |
| 2015-08-10 | 3296538 | ND |
| 2015-08-11 | 3298131 | ND |
| 2015-08-11 | 3297642 | ND |
| 2015-08-13 | 3301099 | ND |