Chlorodifluoromethane
Medfield 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 0.0450 ppb | 8 | 2 | ND - 0.250 ppb |
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 |
ppb = parts per billion
All test results
Date | Result |
---|---|
2015-01-13 | ND |
2015-01-13 | ND |
2015-01-13 | ND |
2015-01-14 | 0.110 ppb |
2015-07-27 | ND |
2015-07-27 | 0.250 ppb |
2015-07-27 | ND |
2015-07-27 | ND |