Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

City of Scottsdale

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.

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND210ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-10201402100091AMND
2014-02-10201402100085AMND
2014-02-10201402100089AMND
2014-02-10201402100087AMND
2014-02-11201402120493AMND
2014-02-12201402120499AMND
2014-02-13201402130339AMND
2014-02-13201402130341AMND
2014-05-14201405140663AMND
2014-05-14201405140673AMND
2014-08-05201408050563AMND
2014-08-05201408050565AMND
2014-08-05201408050592AMND
2014-08-07201408070363AMND
2014-08-14201408140538AMND
2014-08-21201408220384AMND
2014-08-26201408260309AMND
2014-08-27201408270707AMND
2014-09-09201409090433AMND
2014-11-10201411100071AMND
2014-11-10201411100059AMND
2015-03-05201503050032AMND