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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Randall

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND10ND
2016ND10ND
2017N/A00N/A
2018ND10ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-03-1315C0760-01ND
2016-06-273479637ND
2018-01-2318A0770-01ND
2019-01-2419A0825-03ND
2019-04-1819D1235-01ND
2019-07-2919G2124-01ND
2019-10-0919J0654-01ND