Chlorodifluoromethane
Marin Municipal Water District
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 |
|---|---|---|---|---|
| 2013 | ND | 3 | 0 | ND |
| 2014 | ND | 7 | 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 |
|---|---|---|
| 2013-11-04 | 1311122-001A | ND |
| 2013-11-04 | 1311120-001A | ND |
| 2013-11-04 | 1311121-001A | ND |
| 2014-02-03 | 1402080-001A | ND |
| 2014-02-03 | 1402079-001A | ND |
| 2014-05-05 | 1405197-001A | ND |
| 2014-05-05 | 1405195-001A | ND |
| 2014-05-05 | 1405196-001A | ND |
| 2014-08-04 | 1408126-001A | ND |
| 2014-08-04 | 1408125-001A | ND |