Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

North Perry Ave Water District

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND190ND
2014N/A00N/A
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
2013-05-20201305210053AMND
2013-05-20201305210148AMND
2013-05-20201305210057AMND
2013-05-21201305220435AMND
2013-05-21201305220456AMND
2013-05-21201305220613AMND
2013-05-22201305230310AMND
2013-05-22201305230255AMND
2013-05-22201305230313AMND
2013-11-04201311050093AMND
2013-11-04201311050095AMND
2013-11-05201311060495AMND
2013-11-05201311060491AMND
2013-11-05201311060493AMND
2013-11-06201311070345AMND
2013-11-06201311070353AMND
2013-11-06201311070357AMND
2013-11-06201311070361AMND
2013-11-19201311200427AMND