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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Marion Municipal 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
2013ND30ND
2014ND40ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-0723764301ND
2013-10-0723764201ND
2013-10-0723764101ND
2014-04-0825311401ND
2014-04-0825311501ND
2014-04-0825311301ND
2014-10-0727287701ND
2015-04-0728660201ND