Chlorodifluoromethane
Arlington Water Department
NOTE: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for chlorodifluoromethane. Sample information shown below was taken by SNO PUD 1 - Lake Stevens.
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 |
|---|---|---|---|---|
| 2013 | ND | 8 | 0 | ND |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 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: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for chlorodifluoromethane. Sample information shown below was taken by SNO PUD 1 - Lake Stevens.
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-22 | WA97-SE1-14-01298-3400 | ND |
| 2014-04-15 | WA97-SE2-14-06585-15943 | ND |
| 2014-04-16 | 97-SE1-14-06586-15945 | ND |
| 2014-07-22 | WA97-SE3-14-13616-31731 | ND |
| 2014-10-27 | WA97-SE4-14-21143-47786 | ND |
| 2014-10-28 | WA98-SE2-14-21311-48224 | ND |