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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Oliverian Sch

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.

 

6

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
2017ND20ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-10-28A408734002ND
2015-11-24A509644001ND
2017-01-26B700424001ND
2017-11-20B709984002ND
2018-12-27B810344001ND
2019-12-09B910651001ND