Dichlorodifluoromethane
Northampton Water Department
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.
18
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2018-08-09 | ND |
| 2018-08-09 | ND |
| 2018-08-09 | ND |
| 2019-07-24 | ND |
| 2019-07-24 | ND |
| 2019-07-24 | ND |
| 2020-07-23 | ND |
| 2020-07-23 | ND |
| 2020-07-23 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2023-08-02 | ND |
| 2023-08-02 | ND |
| 2023-08-02 | ND |