Chlorodifluoromethane
Norwich Public Utilities
Chlorodifluoromethane (Freon 22) 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.
10
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 | 8 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-06-17 | 200398125 | ND |
| 2014-06-17 | 200398127 | ND |
| 2014-06-17 | 200398126 | ND |
| 2014-09-11 | 200404220 | ND |
| 2014-09-11 | 200404222 | ND |
| 2014-12-11 | 200409477 | ND |
| 2014-12-11 | 200409479 | ND |
| 2014-12-11 | 200409481 | ND |
| 2015-03-10 | 200413493 | ND |
| 2015-03-10 | 200413492 | ND |