Trichlorofluoromethane
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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 | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2018-01-23 | AJ76957 | ND |
| 2018-04-09 | AJ87016 | ND |
| 2018-07-18 | AJ94739 | ND |
| 2018-10-24 | AK04777 | ND |
| 2019-01-22 | AK09816 | ND |
| 2019-04-22 | AK15567 | ND |
| 2020-02-19 | AK41841 | ND |
| 2020-02-19 | AK41842 | ND |
| 2021-02-15 | AK69954 | ND |
| 2022-03-03 | AK96368 | ND |
| 2023-05-11 | AL31582 | ND |
| 2023-10-11 | AL46949 | ND |