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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

City of Corona

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.

 

30

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
2013ND100ND
2014ND200ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-09201310100242AMND
2013-10-09201310100234AMND
2013-10-09201310100238AMND
2013-10-09201310100240AMND
2013-10-09201310100236AMND
2013-10-23201310240246AMND
2013-10-23201310240252AMND
2013-10-23201310240244AMND
2013-10-23201310240242AMND
2013-10-23201310240240AMND
2014-01-15201401150771AMND
2014-01-15201401150773AMND
2014-01-15201401150769AMND
2014-01-16201401170062AMND
2014-01-16201401170060AMND
2014-04-09201404090851AMND
2014-04-09201404090849AMND
2014-04-09201404090857AMND
2014-04-09201404090853AMND
2014-04-09201404090855AMND
2014-04-17201404180148AMND
2014-04-17201404180150AMND
2014-04-22201404220789AMND
2014-04-24201404240693AMND
2014-04-24201404240697AMND
2014-07-10201407100762AMND
2014-07-10201407100760AMND
2014-07-10201407100758AMND
2014-07-10201407100756AMND
2014-07-15201407150791AMND