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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Mount Ebo Ws

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND100ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

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
2014-01-20BG02967POCND
2014-01-20BG02964POC2ND
2014-01-20BG02963POCND
2014-01-20BG02965POCND
2014-01-20BG02968POCND
2014-01-20BG02969POCND
2014-01-20BG02966POCND
2014-01-20BG02962POCND
2014-01-20BG02961POCND
2014-01-27BG03428POCND
2015-01-06BH60112POCSND
2015-01-06BH60111POCSND
2015-01-06BH60113POCSND
2015-01-06BH60110POCSND
2015-01-06BH60107POCSND
2015-01-06BH60123POCSND
2015-01-06BH60105POCSND
2015-01-06BH60106POCSND
2015-01-06BH60108POCSND
2015-01-06BH60122POCSND