Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chlorodifluoromethane

Cary

Chlorodifluoromethane (Freon 22) 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.0153 ppb161ND - 0.245 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-05-14719803-8896ND
2013-05-14719801-8831ND
2013-05-14719799-8831ND
2013-05-20720660-8896ND
2013-05-20720658-8896ND
2013-05-20720656-8896ND
2013-05-21721078-8898ND
2013-05-21721076-8898ND
2013-11-18759581-10309ND
2013-11-18759579-10309ND
2013-11-18759464-10309ND
2013-11-18759462-103090.245 ppb
2013-11-18759466-10309ND
2013-11-22760430-10340ND
2013-11-22760428-10340ND
2013-11-22760426-10340ND