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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Bethany Crest LLC

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND30ND
2017N/A00N/A
2018ND10ND
2019ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2016-04-19S676588ND
2016-07-20S670336ND
2016-12-29S693905ND
2018-09-24S676741ND
2019-01-17S860848ND
2019-02-15S866436ND
2019-04-12S872262ND
2019-08-12S848324ND