Chlorodifluoromethane
City of Lexington
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 | 0.0526 ppb | 20 | 3 | ND - 0.635 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 |
|---|---|---|
| 2014-05-05 | 4E06007-10 | ND |
| 2014-05-05 | 4E06007-01 | ND |
| 2014-05-05 | 4E06007-04 | 0.635 ppb |
| 2014-05-05 | 4E06007-07 | 0.0830 ppb |
| 2014-05-05 | 4E06007-13 | ND |
| 2014-05-06 | 4E07020-10A | ND |
| 2014-05-06 | 4E07020-31A | ND |
| 2014-05-06 | 4E07020-13A | ND |
| 2014-05-06 | 4E07020-25A | ND |
| 2014-05-06 | 4E07020-01A | ND |
| 2014-05-06 | 4E07020-04A | ND |
| 2014-10-06 | 4J07088-19 | ND |
| 2014-10-06 | 4J07088-13 | ND |
| 2014-10-06 | 4J07088-10 | ND |
| 2014-10-06 | 4J07088-16 | ND |
| 2014-10-06 | 4J07088-25 | ND |
| 2014-10-06 | 4J07088-01 | ND |
| 2014-10-06 | 4J07088-07 | 0.333 ppb |
| 2014-10-06 | 4J07088-04 | ND |
| 2014-10-06 | 4J07088-22 | ND |