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EWG's Tap Water Database — 2019 UPDATE

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Dichlorodifluoromethane

L.a. Residential Community Foundation

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
2012ND20ND
2013ND20ND
2014ND20ND
2015N/A00N/A
2016ND10ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-09-185867-002-1335ND
2012-09-185867-003-1345ND
2013-09-245867-002-1035ND
2013-09-245867-003-1055ND
2014-09-245867-002-1000ND
2014-09-245867-002-1000ND
2016-09-215867-002-1345ND