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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

New York City System

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.

 

15

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
2014ND90ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-12-10201312110816AMND
2013-12-10201312110609AMND
2013-12-10201312110762AMND
2014-03-11201403120478AMND
2014-03-11201403120608AMND
2014-03-11201403120580AMND
2014-06-24201406250133AMND
2014-06-24201406250381AMND
2014-06-24201406250127AMND
2014-09-23201409240402AMND
2014-09-23201409240447AMND
2014-09-23201409240450AMND
2015-06-25201505020407AMND
2015-09-23201508080112AMND
2015-12-08201511070106AMND