Chlorodifluoromethane
City of Gilroy
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.
17
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 | 0.0206 ppb | 17 | 3 | ND - 0.140 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 |
|---|---|---|
| 2014-01-14 | A3L2052-11A | ND |
| 2014-01-14 | A3L2052-09A | ND |
| 2014-01-14 | A3L2052-17A | ND |
| 2014-01-14 | A3L2052-05A | ND |
| 2014-01-14 | A3L2052-15A | ND |
| 2014-01-14 | A3L2052-07A | ND |
| 2014-01-14 | A3L2052-03A | ND |
| 2014-03-24 | A4C1501-01A | ND |
| 2014-05-29 | A4E2213-01A | ND |
| 2014-07-08 | A4F1134-10A | ND |
| 2014-07-08 | A4F1134-07A | ND |
| 2014-07-08 | A4F1134-22A | ND |
| 2014-07-08 | A4F1134-01A | 0.0900 ppb |
| 2014-07-08 | A4F1134-13A | ND |
| 2014-07-08 | A4F1134-16A | ND |
| 2014-08-04 | A4G2633-01A | 0.140 ppb |
| 2014-09-16 | A4I0774-01A | 0.120 ppb |