Chlorodifluoromethane
Crescenta Valley CWD
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.
16
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 | 0.0116 ppb | 16 | 2 | ND - 0.0950 ppb |
| 2014 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-03-20 | 201303200397AM | ND |
| 2013-03-20 | 201303200372AM | 0.0950 ppb |
| 2013-03-20 | 201303200374AM | ND |
| 2013-03-20 | 201303200370AM | ND |
| 2013-03-20 | 201303200391AM | ND |
| 2013-03-20 | 201303200432AM | 0.0910 ppb |
| 2013-03-20 | 201303200376AM | ND |
| 2013-06-03 | 201306040462AM | ND |
| 2013-09-17 | 201309170865AM | ND |
| 2013-09-17 | 201309170925AM | ND |
| 2013-09-17 | 201309170916AM | ND |
| 2013-09-17 | 201309170918AM | ND |
| 2013-09-17 | 201309170920AM | ND |
| 2013-09-17 | 201309170832AM | ND |
| 2013-09-17 | 201309170922AM | ND |
| 2013-12-10 | 201312110520AM | ND |