Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Saint Louis Park

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.

 

47

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND60ND
2020ND100ND
2021ND80ND
2022ND80ND
2023ND100ND

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
2018-01-1918A0639-01ND
2018-04-1018D0389-01ND
2018-07-1218G0518-01ND
2018-07-1218G0516-01ND
2018-10-1718J0842-01ND
2019-02-1319B0557-01ND
2019-05-1619E1269-01ND
2019-05-1619E1270-01ND
2019-05-2119E1637-01ND
2019-08-0719H0616-01ND
2019-10-2919J1574-01ND
2020-01-2220A0832-02ND
2020-01-2220A0832-01ND
2020-05-2120E1400-01ND
2020-05-2120E1400-02ND
2020-05-2120E1401-02ND
2020-06-0820F0622-01ND
2020-08-0520H0263-03ND
2020-08-2120H1724-01ND
2020-11-1220K0537-01ND
2020-11-1220K0537-02ND
2021-03-2621C1102-01ND
2021-04-2921D1871-01ND
2021-04-2921D1870-01ND
2021-08-1021H0796-02ND
2021-08-1021H0797-01ND
2021-11-3021L0010-02ND
2021-11-3021L0016-01ND
2021-12-2121L0852-01ND
2022-02-0822B0528-02ND
2022-02-0822B0531-01ND
2022-06-2222F1363-01ND
2022-07-1822G1076-01ND
2022-09-2322I1991-01ND
2022-09-2322I1993-01ND
2022-11-1822K0869-01ND
2022-11-1822K0870-01ND
2023-03-1523C0731-01ND
2023-03-1523C0732-01ND
2023-06-0823F0898-01ND
2023-06-0823F0898-02ND
2023-06-0823F0898-03ND
2023-07-1923G1149-01ND
2023-07-1923G1149-03ND
2023-10-3023J1664-01ND
2023-10-3023J1664-04ND
2023-10-3023J1665-01ND