Chlorodifluoromethane
Pomona Water Department
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 |
|---|---|---|---|---|
| 2013 | ND | 15 | 0 | ND |
| 2014 | ND | 4 | 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 |
|---|---|---|
| 2013-05-08 | 201305080584AM | ND |
| 2013-05-08 | 201305080588AM | ND |
| 2013-05-08 | 201305080590AM | ND |
| 2013-05-08 | 201305080586AM | ND |
| 2013-05-08 | 201305080594AM | ND |
| 2013-05-08 | 201305080592AM | ND |
| 2013-08-08 | 201308080470AM | ND |
| 2013-08-08 | 201308080474AM | ND |
| 2013-08-08 | 201308080472AM | ND |
| 2013-10-02 | 201310020264AM | ND |
| 2013-11-05 | 201311050728AM | ND |
| 2013-11-05 | 201311050730AM | ND |
| 2013-11-05 | 201311050732AM | ND |
| 2013-11-05 | 201311050734AM | ND |
| 2013-11-05 | 201311050736AM | ND |
| 2014-02-04 | 201402040632AM | ND |
| 2014-02-04 | 201402040634AM | ND |
| 2014-02-04 | 201402040630AM | ND |
| 2014-09-16 | 201409170324AM | ND |
| 2015-03-17 | 201503170763AM | ND |