Know Your Environment. Protect Your Health.

Trichlorofluoromethane

City of Byers

NOTE: City of Byers purchases water from Dean Dale Special Utility District which is required to test for trichlorofluoromethane. Sample information shown below was taken by Dean Dale Special Utility District.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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

NOTE: City of Byers purchases water from Dean Dale Special Utility District which is required to test for trichlorofluoromethane. Sample information shown below was taken by Dean Dale Special Utility District.

Date Lab ID Result
2018-02-28Q1808445003ND
2019-01-29Q1904440005ND
2020-03-03Q2007978011ND
2021-06-15Q2115601001ND
2022-01-20Q2202094003ND
2023-02-13Q2305500008ND