Chlorodifluoromethane
Downey 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.
9
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 | 0.0227 ppb | 9 | 2 | ND - 0.110 ppb |
| 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 |
|---|---|---|
| 2015-02-24 | B5B2374-04 | ND |
| 2015-02-24 | B5B2374-07 | 0.110 ppb |
| 2015-02-24 | B5B2374-13 | ND |
| 2015-02-24 | B5B2374-01 | ND |
| 2015-02-24 | B5B2374-10 | ND |
| 2015-08-13 | B5H1452-04 | 0.0940 ppb |
| 2015-08-13 | B5H1452-07 | ND |
| 2015-08-13 | B5H1452-10 | ND |
| 2015-08-13 | B5H1452-01 | ND |