Trichlorofluoromethane
West Point, City of
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.
25
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2018-01-16 | 530842 | ND |
| 2018-09-24 | 571941 | ND |
| 2018-09-24 | 571940 | ND |
| 2019-01-14 | 592531 | ND |
| 2019-09-03 | 630428 | ND |
| 2019-09-03 | 630429 | ND |
| 2020-02-10 | 650614 | ND |
| 2020-09-14 | 689975 | ND |
| 2020-09-14 | 689974 | ND |
| 2021-01-19 | 713005 | ND |
| 2021-09-21 | 764409 | ND |
| 2021-09-21 | 764408 | ND |
| 2022-01-18 | 778908 | ND |
| 2022-09-12 | 822877 | ND |
| 2022-09-12 | 822878 | ND |
| 2022-12-05 | 835790 | ND |
| 2022-12-05 | 835789 | ND |
| 2023-03-06 | 851386 | ND |
| 2023-03-06 | 851387 | ND |
| 2023-06-19 | 864105 | ND |
| 2023-06-19 | 864104 | ND |
| 2023-09-06 | 879906 | ND |
| 2023-09-06 | 879907 | ND |
| 2023-12-05 | 891492 | ND |
| 2023-12-05 | 891491 | ND |