Dichlorodifluoromethane
City of Chino Hills
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.
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-23 | 4790-001-1300 | ND |
| 2014-01-23 | 4790-017-1330 | ND |
| 2016-03-03 | 4790-014-1130 | ND |
| 2016-03-03 | 4790-014-1130 | ND |
| 2016-03-03 | 4790-024-1030 | ND |
| 2016-03-03 | 4790-024-1030 | ND |
| 2017-02-16 | 9588-001-1010 | ND |
| 2017-02-16 | 9588-017-1040 | ND |
| 2017-04-19 | 9588-009-1030 | ND |
| 2017-04-19 | 9588-010-0945 | ND |
| 2019-11-26 | 4790-014-0820 | ND |
| 2019-11-26 | 4790-014-0820 | ND |
| 2019-11-26 | 4790-024-1000 | ND |
| 2019-11-26 | 4790-024-1000 | ND |