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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Belvidere

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
20130.0413 ppb61ND - 0.248 ppb
20140.0558 ppb61ND - 0.335 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-12-09762627-104200.248 ppb
2013-12-09762637-10428ND
2013-12-10762629-10428ND
2013-12-10762653-10428ND
2013-12-16763931-10449ND
2013-12-16763929-10449ND
2014-06-02794696-11534ND
2014-06-02794700-11534ND
2014-06-02794694-11546ND
2014-06-02794702-115340.335 ppb
2014-06-02794726-11546ND
2014-06-02794704-11534ND