Chlorodifluoromethane
CTWC - Shoreline Region-Guilford System
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.
20
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 | ND | 20 | 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 |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-10 | 201402110107AM | ND |
| 2014-02-10 | 201402110093AM | ND |
| 2014-02-10 | 201402110109AM | ND |
| 2014-02-11 | 201402120405AM | ND |
| 2014-02-11 | 201402120403AM | ND |
| 2014-02-11 | 201402120573AM | ND |
| 2014-02-11 | 201402120674AM | ND |
| 2014-02-11 | 201402120438AM | ND |
| 2014-04-08 | 201404090427AM | ND |
| 2014-04-08 | 201404090510AM | ND |
| 2014-05-21 | 201405220417AM | ND |
| 2014-08-04 | 201408050337AM | ND |
| 2014-08-04 | 201408050418AM | ND |
| 2014-08-04 | 201408050384AM | ND |
| 2014-08-04 | 201408050412AM | ND |
| 2014-08-25 | 201408260368AM | ND |
| 2014-08-26 | 201408270820AM | ND |
| 2014-08-26 | 201408270836AM | ND |
| 2014-08-26 | 201408270840AM | ND |
| 2014-11-18 | 201411190581AM | ND |