Chlorodifluoromethane
Western Allegheny County Mun A
NOTE: Western Allegheny County Mun A purchases water from Pennsylvania American Water Pittsburgh which is required to test for chlorodifluoromethane. Sample information shown below was taken by Pennsylvania American Water Pittsburgh.
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 |
|---|---|---|---|---|
| 2014 | ND | 12 | 0 | ND |
| 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 |
ppb = parts per billion
All test results
NOTE: Western Allegheny County Mun A purchases water from Pennsylvania American Water Pittsburgh which is required to test for chlorodifluoromethane. Sample information shown below was taken by Pennsylvania American Water Pittsburgh.
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-07 | 27111601 | ND |
| 2014-10-13 | 27112801 | ND |
| 2015-01-12 | 27898801 | ND |
| 2015-01-13 | 27897401 | ND |
| 2015-04-08 | 28579701 | ND |
| 2015-04-13 | 28580601 | ND |
| 2015-07-08 | 29576801 | ND |
| 2015-07-15 | 29574501 | ND |