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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Duval County Crd Benavides

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND40ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-02-03AC41028ND
2015-02-16AC80640ND
2015-03-02AC82366ND
2015-09-14AD06954ND
2015-11-02AD12210ND
2016-02-18AD24327ND
2016-02-18AD24357ND
2017-02-06AD68801ND
2017-02-06AD68803ND
2018-01-22AE09543ND
2018-01-22AE09559ND
2019-03-06AE57387ND
2019-03-06AE57383ND