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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Glendale Water Department

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.0600 ppb31ND - 0.180 ppb
20150.0522 ppb93ND - 0.200 ppb
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-10-20201410200337AMND
2014-10-20201410200329AMND
2014-10-21201410210424AM0.180 ppb
2015-01-06201501060846AM0.150 ppb
2015-01-14201501140734AMND
2015-04-20201504200156AMND
2015-04-20201504200152AM0.120 ppb
2015-04-20201504200148AMND
2015-04-27201504270136AMND
2015-07-15201507150368AM0.200 ppb
2015-07-15201507150372AMND
2015-10-15201510150093AMND