Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Utrwd Regional Water Treatment Plant

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.

 

12

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
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
2018-09-13Q1836570001ND
2018-09-25Q1838256005ND
2019-09-26Q1969362002ND
2019-09-27Q1970279005ND
2020-08-18Q2032859002ND
2020-08-18Q2032859004ND
2021-09-27Q2126305003ND
2021-09-27Q2126305005ND
2022-09-15Q2227673003ND
2022-09-15Q2227673005ND
2023-08-02Q2331445001ND
2023-08-02Q2331445003ND