Chlorodifluoromethane
Scituate Water Division
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 | 0.0220 ppb | 5 | 1 | ND - 0.110 ppb |
| 2015 | ND | 5 | 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 |
|---|---|
| 2014-07-30 | ND |
| 2014-07-30 | 0.110 ppb |
| 2014-07-31 | ND |
| 2014-07-31 | ND |
| 2014-10-16 | ND |
| 2015-01-22 | ND |
| 2015-01-22 | ND |
| 2015-01-22 | ND |
| 2015-03-12 | ND |
| 2015-04-14 | ND |