Dichlorodifluoromethane
The Preserve At Hopkinton Condo
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.
7
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 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2018-04-23 | ND |
| 2019-04-22 | ND |
| 2020-04-27 | ND |
| 2021-05-12 | ND |
| 2022-05-23 | ND |
| 2022-06-21 | ND |
| 2023-05-09 | ND |