Trichlorofluoromethane
San Joaquin County-mokelumne Acres
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 | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-12-05 | CA3910017_009_009-201812051025 | ND |
| 2018-12-05 | CA3910017_008_008-201812050945 | ND |
| 2018-12-05 | CA3910017_007_007-201812051000 | ND |
| 2019-08-07 | CA3910017_006_006-201908071100 | ND |
| 2019-08-07 | CA3910017_003_003-201908071045 | ND |
| 2021-12-14 | CA3910017_007_007-202112141030 | ND |
| 2021-12-14 | CA3910017_009_009-202112140955 | ND |
| 2021-12-14 | CA3910017_008_008-202112141020 | ND |
| 2021-12-27 | CA3910017_007_007-202112271110 | ND |
| 2022-01-26 | CA3910017_007_007-202201261130 | ND |
| 2022-02-02 | CA3910017_007_007-202202021200 | ND |
| 2022-08-09 | CA3910017_003_003-202208090901 | ND |
| 2022-08-09 | CA3910017_006_006-202208091005 | ND |