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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Holden Water Division, DPW

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.

 

9

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
2014ND50ND
2015ND40ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Result
2014-08-20ND
2014-08-20ND
2014-08-20ND
2014-08-20ND
2014-11-19ND
2015-02-24ND
2015-02-25ND
2015-02-25ND
2015-05-27ND