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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Wauconda

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.

 

12

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
20130.0688 ppb122ND - 0.486 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-05-13719236-8818ND
2013-05-13719238-8818ND
2013-05-20720649-8896ND
2013-05-20720647-8896ND
2013-05-20720651-8896ND
2013-05-20720645-88960.339 ppb
2013-11-04757023-10235ND
2013-11-04757025-10235ND
2013-11-06757698-10250ND
2013-11-06757702-10250ND
2013-11-06757700-10250ND
2013-11-06757696-102500.486 ppb