Dichlorofluoromethane
Duluth
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.
5
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-15 | 14I0943-01 | ND |
| 2015-04-27 | 15E0036-01 | ND |
| 2017-12-13 | 17L0539-01 | ND |
| 2018-04-18 | 18D1043-01 | ND |
| 2019-12-11 | 19L0903-01 | ND |