Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chlorodifluoromethane

Water District 1 of Johnson County

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.

 

11

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
2013ND60ND
2014ND50ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-07-29201307300098AMND
2013-07-29201307300094AMND
2013-07-29201307300096AMND
2013-10-21201310220205AMND
2013-10-21201310220207AMND
2013-10-21201310220203AMND
2014-01-13201401140253AMND
2014-01-13201401140255AMND
2014-04-08201404090431AMND
2014-04-08201404090433AMND
2014-05-21201405220480AMND