Chlorodifluoromethane
Butte-Silver Bow 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 |
|---|---|---|---|---|
| 2013 | ND | 6 | 0 | ND |
| 2014 | ND | 6 | 0 | ND |
| 2015 | ND | 2 | 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 | Lab ID | Result |
|---|---|---|
| 2013-07-10 | 201303439 | ND |
| 2013-07-10 | 201303441 | ND |
| 2013-07-10 | 201303437 | ND |
| 2013-10-17 | 201305596 | ND |
| 2013-10-17 | 201305594 | ND |
| 2013-10-30 | 201305879 | ND |
| 2014-01-16 | 201400285 | ND |
| 2014-01-16 | 201400287 | ND |
| 2014-01-16 | 201400283 | ND |
| 2014-04-28 | 201401599 | ND |
| 2014-04-28 | 201401601 | ND |
| 2014-04-28 | 201401597 | ND |
| 2015-11-19 | 201507027 | ND |
| 2015-11-19 | 201507026 | ND |