Dichlorodifluoromethane
Dallas Water Utility
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.
18
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 |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-17 | Q1828182010 | ND |
| 2018-08-07 | Q1831263001 | ND |
| 2018-08-07 | Q1831263004 | ND |
| 2019-07-08 | Q1942567001 | ND |
| 2019-07-16 | Q1945074005 | ND |
| 2019-07-16 | Q1945074007 | ND |
| 2020-07-20 | Q2028149001 | ND |
| 2020-08-31 | Q2034666001 | ND |
| 2020-08-31 | Q2034666003 | ND |
| 2021-07-26 | Q2119506001 | ND |
| 2021-08-12 | Q2121683006 | ND |
| 2021-08-12 | Q2121683008 | ND |
| 2022-09-23 | Q2228911001 | ND |
| 2022-10-27 | Q2232605001 | ND |
| 2022-10-27 | Q2232605003 | ND |
| 2023-08-01 | Q2331169008 | ND |
| 2023-08-01 | Q2331169010 | ND |
| 2023-08-01 | Q2331169012 | ND |