Chlorodifluoromethane
Duxbury 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.
14
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 | 7 | 0 | ND |
| 2015 | ND | 7 | 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 |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-09-08 | ND |
| 2014-09-08 | ND |
| 2014-09-08 | ND |
| 2014-09-08 | ND |
| 2014-09-17 | ND |
| 2014-09-17 | ND |
| 2014-09-17 | ND |
| 2015-03-04 | ND |
| 2015-03-04 | ND |
| 2015-03-04 | ND |
| 2015-03-04 | ND |
| 2015-03-23 | ND |
| 2015-04-01 | ND |
| 2015-04-06 | ND |