Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dichlorodifluoromethane

Harlem, City of

Dichlorodifluoromethane (Freon-12) 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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016N/A00N/A
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-17B14091869-001FND
2015-09-23B15092188-001CND
2017-12-04B17120511-001BND
2018-03-12B18030871-001AND
2019-03-04B19030279-001CND