Dichlorodifluoromethane
Keeler Field
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.
11
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 | 4 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-14 | 1.400146-POC | ND |
| 2014-04-15 | 1.401241 | ND |
| 2014-08-06 | 1.402633 | ND |
| 2014-11-06 | 1.403925 | ND |
| 2015-02-18 | 1.500400-POC | ND |
| 2015-02-18 | 1.500401-POC | ND |
| 2015-04-27 | 1.500953 | ND |
| 2015-08-03 | 1.502088 | ND |
| 2015-11-03 | 420-97027-2 | ND |
| 2019-08-15 | 420-158790-2POCS | ND |
| 2019-08-15 | 420-158790-1POCS | ND |