Chlorodifluoromethane
City of Alhambra
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.
14
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 | 0.0700 ppb | 13 | 2 | ND - 0.610 ppb |
| 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 |
|---|---|---|
| 2014-04-10 | 4D10051-03A | ND |
| 2014-04-10 | 4D10051-01A | ND |
| 2014-04-10 | 4D10051-07A | ND |
| 2014-04-10 | 4D10051-05A | ND |
| 2014-04-10 | 4D10051-09A | ND |
| 2014-04-30 | 4D30060-01A | ND |
| 2014-07-08 | 4G08039-01A | ND |
| 2014-10-01 | 4J01047-01A | ND |
| 2014-10-01 | 4J01047-09A | ND |
| 2014-10-01 | 4J01047-03A | 0.300 ppb |
| 2014-10-01 | 4J01047-07A | ND |
| 2014-10-01 | 4J01047-05A | 0.610 ppb |
| 2014-10-16 | 4J16049-01A | ND |
| 2015-01-06 | 5A06061-01A | ND |