Trichlorofluoromethane
Sauk Rapids
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.
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-10-31 | 18K0038-02 | ND |
| 2018-12-11 | 18L0433-01 | ND |
| 2019-04-15 | 19D0935-01 | ND |
| 2021-11-04 | 21K0378-01 | ND |
| 2021-11-04 | 21K0378-02 | ND |
| 2022-03-01 | 22C0104-01 | ND |
| 2022-05-18 | 22E1556-01 | ND |
| 2022-09-07 | 22I0519-01 | ND |
| 2022-10-20 | 22J0946-01 | ND |
| 2023-01-12 | 23A0369-01 | ND |