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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Saint Louis Park

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
2014ND50ND
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-022043235006ND
2014-12-022043235003ND
2014-12-022043235015ND
2014-12-022043235009ND
2014-12-022043235012ND
2015-06-102076227006ND
2015-06-102076227015ND
2015-06-102076227012ND
2015-06-102076227009ND
2015-06-102076227003ND