Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Minnetonka

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020ND50ND
2021ND60ND
2022ND10ND
2023ND40ND

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
2018-07-2318G1394-03ND
2018-07-2318G1394-02ND
2020-07-3020G2379-01ND
2020-07-3020G2379-02ND
2020-07-3020G2379-03ND
2020-07-3020G2382-04ND
2020-11-1620K0636-01ND
2021-03-1521C0676-01ND
2021-05-2821E2075-01ND
2021-08-0421H0235-01ND
2021-08-0421H0239-01ND
2021-08-0421H0235-03ND
2021-08-0421H0235-02ND
2022-01-2722A1019-01ND
2023-11-0123K0087-02ND
2023-11-0123K0087-04ND
2023-11-0123K0087-05ND
2023-11-0123K0089-01ND