Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Lake Forest Utility District

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

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND30ND
2022ND20ND
2023ND20ND

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
2018-06-19AE30786ND
2018-06-19AE30802ND
2019-09-05AE82290ND
2019-09-05AE82304ND
2020-10-26AF31920ND
2020-10-26AF31928ND
2021-03-08AF45706ND
2021-03-08AF45708ND
2021-04-19AF50507ND
2022-07-21AG05779ND
2022-12-12AG21502ND
2023-08-23AG53719ND
2023-08-23AG53721ND