Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

City of Tempe

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.189 ppb125ND - 1.000 ppb
20140.216 ppb125ND - 1.70 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-07-16201307160353AM0.190 ppb
2013-07-16201307160357AMND
2013-07-16201307160355AM0.440 ppb
2013-07-16201307160359AM0.550 ppb
2013-07-16201307160361AMND
2013-07-16201307160363AMND
2013-07-17201307170522AMND
2013-07-31201307310417AMND
2013-08-08201308080403AM0.0850 ppb
2013-08-08201308080401AM1.000 ppb
2013-10-22201310220315AMND
2013-10-22201310220313AMND
2014-01-02201401020139AMND
2014-01-14201401140337AMND
2014-01-14201401140317AM0.0910 ppb
2014-01-14201401140313AMND
2014-01-14201401140309AM0.240 ppb
2014-01-14201401140311AMND
2014-01-14201401140307AM0.0930 ppb
2014-01-14201401140315AMND
2014-01-15201401150506AM0.470 ppb
2014-01-15201401150504AM1.70 ppb
2014-04-23201404230516AMND
2014-04-28201404300409AMND