Chlorodifluoromethane
City of The Dalles
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.
10
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 | ND | 9 | 0 | ND |
| 2015 | ND | 1 | 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 |
|---|---|---|
| 2014-05-07 | A4D1741-07A | ND |
| 2014-05-07 | A4D1741-04A | ND |
| 2014-05-07 | A4D1741-01A | ND |
| 2014-05-21 | A4D1758-01A | ND |
| 2014-08-06 | A4G2099-01A | ND |
| 2014-10-23 | A4J1614-07A | ND |
| 2014-10-23 | A4J1614-04A | ND |
| 2014-10-23 | A4J1614-01A | ND |
| 2014-11-05 | A4J1613-01A | ND |
| 2015-02-10 | A5A0912-01A | ND |