Chlorodifluoromethane
South Cumberland UD
NOTE: South Cumberland UD purchases water from Crossville Water Department which is required to test for chlorodifluoromethane. Sample information shown below was taken by Crossville Water Department.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2015 | ND | 4 | 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
NOTE: South Cumberland UD purchases water from Crossville Water Department which is required to test for chlorodifluoromethane. Sample information shown below was taken by Crossville Water Department.
| Date | Result |
|---|---|
| 2013-08-20 | ND |
| 2013-08-20 | ND |
| 2013-11-19 | ND |
| 2013-11-19 | ND |
| 2014-02-19 | ND |
| 2014-02-19 | ND |
| 2014-05-19 | ND |
| 2014-05-19 | ND |