Trichlorofluoromethane
Leigh Wsc-rural
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 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 |
|---|---|---|
| 2018-04-24 | Q1816640005 | ND |
| 2019-05-22 | Q1927732002 | ND |
| 2020-03-23 | Q2012181004 | ND |
| 2020-08-25 | Q2034096003 | ND |
| 2020-08-25 | Q2034096009 | ND |
| 2020-10-21 | Q2041052008 | ND |
| 2021-03-05 | Q2105979007 | ND |
| 2021-03-05 | Q2105979009 | ND |
| 2021-05-12 | Q2112290005 | ND |
| 2022-04-27 | Q2212598001 | ND |
| 2022-10-31 | Q2232958002 | ND |
| 2023-08-02 | Q2331452001 | ND |
| 2023-08-02 | Q2331452003 | ND |