Dichlorodifluoromethane
Boone County PWSD 9
Dichlorodifluoromethane (Freon-12) 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.
10
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | 0.282 ppb | 5 | 1 | ND - 1.41 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-02-18 | AC42741 | ND |
| 2015-02-18 | AC42745 | ND |
| 2015-02-18 | AC42744 | ND |
| 2015-02-18 | AC42743 | ND |
| 2015-02-18 | AC42742 | 1.41 ppb |
| 2018-06-04 | AD19133 | ND |
| 2018-06-04 | AD19134 | ND |
| 2018-06-04 | AD19135 | ND |
| 2018-06-04 | AD19136 | ND |
| 2018-06-04 | AD19137 | ND |