Know Your Environment. Protect Your Health.

Trichlorofluoromethane

City of Tolar

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
2018-08-02Q1830780001ND
2018-08-02Q1830780003ND
2019-08-26Q1959151003ND
2019-08-26Q1959151005ND
2020-08-12Q2032138001ND
2020-08-12Q2032138003ND
2021-06-07Q2114601005ND
2021-06-07Q2114601007ND
2022-06-20Q2216937001ND
2022-06-20Q2216937003ND
2023-05-10Q2317956005ND
2023-05-10Q2317956007ND