Trichlorofluoromethane
City of Big Sandy
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 | 2 | 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 |
|---|---|---|
| 2018-08-30 | Q1834898002 | ND |
| 2018-08-30 | Q1834898003 | ND |
| 2019-10-10 | Q1972217003 | ND |
| 2019-10-10 | Q1972217005 | ND |
| 2020-06-22 | Q2024983006 | ND |
| 2020-06-22 | Q2024983008 | ND |
| 2021-07-14 | Q2118474002 | ND |
| 2021-07-14 | Q2118474004 | ND |
| 2022-07-25 | Q2220981003 | ND |
| 2022-07-25 | Q2220981005 | ND |
| 2023-07-13 | Q2327537004 | ND |
| 2023-10-03 | Q2342306007 | ND |