Chlorodifluoromethane
Metropolitan District Commission
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 | 6 | 0 | ND |
| 2014 | ND | 6 | 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 |
|---|---|---|
| 2013-07-17 | 201307180553AM | ND |
| 2013-07-17 | 201307180544AM | ND |
| 2013-07-17 | 201307180742AM | ND |
| 2013-10-09 | 201310100588AM | ND |
| 2013-10-09 | 201310100524AM | ND |
| 2013-10-09 | 201310100586AM | ND |
| 2014-01-07 | 201401080380AM | ND |
| 2014-01-07 | 201401080426AM | ND |
| 2014-01-07 | 201401080365AM | ND |
| 2014-04-08 | 201404090429AM | ND |
| 2014-04-08 | 201404090495AM | ND |
| 2014-04-08 | 201404090441AM | ND |