Chlorodifluoromethane
San Fernando 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.
12
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 | 0.269 ppb | 10 | 8 | ND - 0.400 ppb |
| 2015 | 0.380 ppb | 2 | 2 | 0.360 ppb - 0.400 ppb |
| 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 | 201404110048AM | 0.360 ppb |
| 2014-04-10 | 201404110047AM | ND |
| 2014-04-10 | 201404110049AM | 0.390 ppb |
| 2014-04-10 | 201404110046AM | 0.290 ppb |
| 2014-07-08 | 201407080437AM | 0.230 ppb |
| 2014-07-08 | 201407080439AM | 0.380 ppb |
| 2014-10-23 | 201410230582AM | ND |
| 2014-10-23 | 201410230584AM | 0.400 ppb |
| 2014-10-23 | 201410230580AM | 0.310 ppb |
| 2014-10-23 | 201410230586AM | 0.330 ppb |
| 2015-01-07 | 201501070348AM | 0.400 ppb |
| 2015-01-07 | 201501070346AM | 0.360 ppb |