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EWG's Tap Water Database

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Chlorodifluoromethane

Layton City Water 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013ND10ND
2014ND30ND
2015ND50ND

ppb = parts per billion.

All test results

Date Result
2013-12-13ND
2014-04-09ND
2014-04-09ND
2014-06-12ND
2015-03-26ND
2015-10-15ND
2015-10-15ND
2015-10-15ND
2015-12-17ND