Dichlorofluoromethane
Edina
Dichlorofluoromethane (Freon-21) 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.
15
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-20 | 14H1839-01 | ND |
| 2014-08-20 | 14H1839-02 | ND |
| 2014-08-20 | 14H1839-04 | ND |
| 2014-11-19 | 14K0831-01 | ND |
| 2016-12-14 | 16L0584-01 | ND |
| 2017-02-07 | 17B0347-01 | ND |
| 2018-03-14 | 18C0569-01 | ND |
| 2018-08-01 | 18H0091-02 | ND |
| 2019-03-28 | 19C1245-01 | ND |
| 2019-05-29 | 19E2109-01 | ND |
| 2019-08-05 | 19H0330-02 | ND |
| 2019-08-20 | 19H1758-02 | ND |
| 2019-10-10 | 19J0709-01 | ND |
| 2019-10-10 | 19J0709-04 | ND |
| 2019-10-10 | 19J0712-01 | ND |