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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Salem Water

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
2014ND20ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-09O143440001ND
2014-12-09O143440002ND
2015-03-11O150710041ND
2015-03-11O150710040ND
2015-06-10O151620041ND
2015-06-10O151620040ND
2015-09-09O152520018ND
2015-09-09O152520019ND