Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Minneapolis

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
2018ND10ND
2019ND10ND
2020ND50ND
2021ND20ND
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
2018-05-0318E0324-01ND
2019-10-0919J0500-01ND
2020-03-1820C0794-01ND
2020-03-1820C0794-02ND
2020-05-2020E1211-01ND
2020-07-2420G1757-01ND
2020-10-2720J1367-01ND
2021-04-2021D1030-02ND
2021-10-2121J1097-01ND
2022-01-2622A0928-01ND
2022-02-0722B0406-01ND
2023-04-1323D0754-01ND
2023-04-1323D0754-02ND