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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Baraboo Waterworks

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND50ND
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
2013-10-22754222-10078ND
2013-10-22754229-10078ND
2013-10-22754231-10078ND
2013-10-22754220-10078ND
2013-10-22754227-10078ND
2014-04-01777697-11076ND
2014-04-01777699-11076ND
2014-04-01777695-11076ND
2014-04-02777941-11076ND
2014-04-02777939-11076ND