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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Adrian

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.290 ppb220.290 ppb
20140.125 ppb21ND - 0.250 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
2013-08-1328766660.290 ppb
2013-11-1129285460.290 ppb
2014-02-102970516ND
2014-05-0530192020.250 ppb