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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Cedar Rapids Water Department

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.

 

8

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
20130.0125 ppb81ND - 0.1000 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-133B14016-01AMND
2013-02-133B14016-04AMND
2013-05-223E23046-01AND
2013-05-223E23046-02A0.1000 ppb
2013-08-213H22042-01AND
2013-08-213H22042-03AND
2013-11-203K21099-03AND
2013-11-203K21099-01AND