Dichlorodifluoromethane
Owatonna
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.
9
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 |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-09 | 18G0145-01 | ND |
| 2020-08-27 | 20H2229-01 | ND |
| 2020-12-03 | 20L0184-01 | ND |
| 2021-02-17 | 21B0924-01 | ND |
| 2021-04-27 | 21D1546-02 | ND |
| 2021-04-27 | 21D1546-03 | ND |
| 2021-04-27 | 21D1546-04 | ND |
| 2021-04-27 | 21D1546-05 | ND |
| 2021-04-27 | 21D1546-07 | ND |