Trichlorofluoromethane
Follett Municipal Water System
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.
13
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 | 3 | 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 |
|---|---|---|
| 2018-02-20 | Q1806937002 | ND |
| 2018-02-20 | Q1806937004 | ND |
| 2019-06-19 | Q1937760003 | ND |
| 2019-06-19 | Q1937760005 | ND |
| 2020-02-25 | Q2006921001 | ND |
| 2020-05-05 | Q2017204001 | ND |
| 2021-02-03 | Q2103373003 | ND |
| 2021-07-27 | Q2119584009 | ND |
| 2022-02-01 | Q2203742002 | ND |
| 2022-08-18 | Q2224571002 | ND |
| 2022-10-20 | Q2231941002 | ND |
| 2023-01-11 | Q2301868001 | ND |
| 2023-01-11 | Q2301868003 | ND |