Dichlorodifluoromethane
San Fernando Water Department
Dichlorodifluoromethane (Freon-12) 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.
23
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 | ND | 6 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-22 | 9590-004-0840 | ND |
| 2014-01-22 | 9590-003-0950 | ND |
| 2014-01-22 | 9590-002-0905 | ND |
| 2014-07-15 | 9590-004-1000 | ND |
| 2014-07-15 | 9590-003-1100 | ND |
| 2014-07-15 | 9590-002-0900 | ND |
| 2015-01-21 | 9590-002-0820 | ND |
| 2015-01-21 | 9590-003-1015 | ND |
| 2015-01-21 | 9590-004-0905 | ND |
| 2016-02-17 | 9590-002-0920 | ND |
| 2016-02-17 | 9590-004-0900 | ND |
| 2016-04-13 | 9590-004-0820 | ND |
| 2017-01-25 | 9590-004-0800 | ND |
| 2017-01-25 | 9590-003-0855 | ND |
| 2017-01-25 | 9590-002-0715 | ND |
| 2017-04-05 | 9590-004-0920 | ND |
| 2017-10-24 | 9590-004-0715 | ND |
| 2018-01-24 | 9590-004-1055 | ND |
| 2018-01-24 | 9590-002-0900 | ND |
| 2018-06-06 | 9590-004-0905 | ND |
| 2018-07-11 | 9590-004-0855 | ND |
| 2019-01-11 | 9590-004-0925 | ND |
| 2019-01-11 | 9590-002-0900 | ND |