Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Sevier County Water Association

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND20ND
2022ND20ND
2023N/A00N/A

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
2018-05-2118144005701ND
2018-07-2418207002001ND
2019-04-2919122009701ND
2019-08-2819241001401ND
2020-05-2620149002509ND
2020-07-2220204001801ND
2020-08-1720233006801ND
2021-04-0621098007201ND
2021-08-0221217000201ND
2022-04-05O196358-VOC-1ND
2022-07-05O199205-VOC-1ND