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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Hecla Water Association-Plant PWS

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
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND80ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-10843609-13398ND
2015-02-10843611-13398ND
2015-05-26862245-14193ND
2015-05-26862241-14193ND
2015-08-11877159-14699ND
2015-08-11877161-14699ND
2015-11-10894028-15395ND
2015-11-10894026-15395ND