Dichlorodifluoromethane
Tignall Water System
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.
14
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 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-12 | AI40373 | ND |
| 2014-05-12 | AI40374 | ND |
| 2015-03-30 | AI69883 | ND |
| 2016-11-30 | AJ34371 | ND |
| 2016-11-30 | AJ34372 | ND |
| 2016-11-30 | AJ34373 | ND |
| 2016-12-21 | AJ37328 | ND |
| 2017-11-13 | AJ73618 | ND |
| 2019-08-06 | AK24846 | ND |
| 2019-08-06 | AK24847 | ND |
| 2019-08-06 | AK24848 | ND |
| 2019-08-06 | AK24849 | ND |
| 2019-08-13 | AK26033 | ND |
| 2019-10-15 | AK35214 | ND |