Chlorodifluoromethane
City of Mountain View
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.
13
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 | 0.0669 ppb | 13 | 2 | ND - 0.570 ppb |
| 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 |
|---|---|---|
| 2014-02-19 | 2978649 | ND |
| 2014-02-19 | 2978613 | ND |
| 2014-02-19 | 2978635 | 0.300 ppb |
| 2014-02-19 | 2978603 | ND |
| 2014-02-19 | 2978594 | ND |
| 2014-05-08 | 3025965 | ND |
| 2014-05-08 | 3025956 | ND |
| 2014-08-21 | 3091442 | ND |
| 2014-08-21 | 3091412 | ND |
| 2014-08-21 | 3091427 | 0.570 ppb |
| 2014-08-21 | 3091403 | ND |
| 2014-11-19 | 3143624 | ND |
| 2014-11-19 | 3143582 | ND |