Trichlorofluoromethane
Grand Lakes Municipal Utility District 4
Trichlorofluoromethane (Freon 11) 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.
12
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1,300 ppb
The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-17 | AE33595 | ND |
| 2018-07-17 | AE33601 | ND |
| 2019-04-12 | AE62293 | ND |
| 2019-04-12 | AE62303 | ND |
| 2020-06-24 | AF16785 | ND |
| 2020-06-24 | AF16791 | ND |
| 2021-06-21 | AF58887 | ND |
| 2021-06-21 | AF58889 | ND |
| 2022-01-21 | AF81329 | ND |
| 2022-01-21 | AF81331 | ND |
| 2023-07-20 | AG49589 | ND |
| 2023-07-20 | AG49591 | ND |