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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Mineola

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
20130.0900 ppb51ND - 0.450 ppb
20140.203 ppb31ND - 0.610 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
2013-10-1891004ND
2013-10-21900970.450 ppb
2013-10-2291002ND
2013-10-2291003ND
2013-10-2591001ND
2014-04-2290097 04/22/20140.610 ppb
2014-04-24UCMR3 EP005ND
2014-04-24UCMR3 EP006ND