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EWG's Tap Water Database — 2019 UPDATE

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Trichlorofluoromethane

Griffin

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
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

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
2012-05-22AH65148ND
2012-05-22AH65147ND
2013-05-21AI02042ND
2013-05-21AI02041ND
2014-05-01AI39358ND
2014-05-01AI39357ND
2015-03-25AI69694ND
2015-03-25AI69693ND
2016-04-05AJ09439ND
2016-04-05AJ09438ND
2017-06-12AJ57345ND
2017-06-12AJ57344ND