Trichlorofluoromethane
San Bernard River Estates
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 | 3 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-08-14 | AE36957 | ND |
| 2018-08-14 | AE36961 | ND |
| 2019-04-17 | AE62768 | ND |
| 2019-08-26 | AE80689 | ND |
| 2020-09-16 | AF27599 | ND |
| 2020-12-10 | AF37309 | ND |
| 2021-05-12 | AF53572 | ND |
| 2021-05-12 | AF53578 | ND |
| 2021-09-29 | AF71680 | ND |
| 2022-09-20 | AG14196 | ND |
| 2022-09-20 | AG14198 | ND |
| 2023-06-14 | AG44507 | ND |