Dichlorodifluoromethane
Bedford Water Department (MWRA)
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2015-03-23 | ND |
| 2017-09-18 | ND |
| 2017-10-24 | ND |
| 2018-02-07 | ND |
| 2018-05-03 | ND |
| 2018-08-14 | ND |
| 2018-12-12 | ND |
| 2019-02-06 | ND |
| 2019-05-08 | ND |
| 2019-08-07 | ND |