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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

United Water Pennsylvania

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
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
2014-02-041070357001ND
2014-02-041070313001ND
2014-02-041070260001ND
2014-05-052005008001ND
2014-05-052005008006ND
2014-08-042021476001ND
2014-08-042021476006ND
2014-11-05AE57156ND
2014-11-052038591001ND
2014-11-05AE57158ND
2014-11-052038592001ND