Chlorodifluoromethane
City of South Sioux City
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.
8
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 8 | 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 |
|---|---|---|
| 2015-01-21 | B5A2090-03 | ND |
| 2015-02-17 | B5B1963-01 | ND |
| 2015-04-06 | B5D0754-01 | ND |
| 2015-04-21 | B5D2452-01 | ND |
| 2015-07-20 | B5G2272-01 | ND |
| 2015-07-21 | B5G2471-01 | ND |
| 2015-08-05 | B5H1014-01 | ND |
| 2015-10-26 | B5J2755-01 | ND |