Dichlorodifluoromethane
Narragansett Water System-point Judith
NOTE: Narragansett Water System-point Judith purchases water from United Water Rhode Island which is required to test for dichlorodifluoromethane. Sample information shown below was taken by United Water Rhode Island.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Narragansett Water System-point Judith purchases water from United Water Rhode Island which is required to test for dichlorodifluoromethane. Sample information shown below was taken by United Water Rhode Island.
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-13 | 1402628-03_TO12 | ND |
| 2014-05-13 | 1402628-02_TO12 | ND |
| 2014-08-04 | 1404206-04_TO12 | ND |
| 2014-08-04 | 1404206-01_TO12 | ND |
| 2014-08-04 | 1404206-02_TO12 | ND |
| 2014-08-04 | 1404206-03_TO12 | ND |
| 2014-12-01 | 1405785-01_TO12 | ND |
| 2017-06-05 | 1702429-02_TO12 | ND |
| 2017-06-05 | 1702429-01_TO12 | ND |
| 2017-08-07 | 1703701-01_TO12 | ND |
| 2017-08-07 | 1703701-02_TO12 | ND |
| 2017-08-07 | 1703701-03_TO12 | ND |
| 2017-08-07 | 1703701-04_TO12 | ND |
| 2017-12-04 | 1705191-03_TO12 | ND |
| 2018-05-22 | 1805-10645-002_T | ND |