Dichlorodifluoromethane
Golden State Water Company (GSWC) - Claremont
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.
8
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-29 | 2706-010-1215 | ND |
| 2014-11-04 | 2706-030-1218 | ND |
| 2015-05-19 | 2706-039-1143 | ND |
| 2015-08-18 | 2706-039-1020 | ND |
| 2016-02-08 | 4790-047-0928 | ND |
| 2017-05-19 | 9590-024-1145 | ND |
| 2017-08-16 | 9590-024-0944 | ND |
| 2019-10-23 | 9590-024-1042 | ND |