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EWG's Tap Water Database

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Chlorodifluoromethane

Boone County PWSD 9

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013ND80ND
2014N/A00N/A
2015N/A00N/A

ppb = parts per billion.

All test results

Date Lab ID Result
2013-03-183587172003AMND
2013-03-193587172001AMND
2013-03-193587172005AMND
2013-03-193587172007AMND
2013-10-0735111164001AMND
2013-10-0735111164003AMND
2013-10-0735111164005AMND
2013-10-0735111164007AMND