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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Gahanna City PWS

NOTE: Gahanna City PWS purchases water from Columbus Public Water System which is required to test for chlorodifluoromethane. Sample information shown below was taken by Columbus Public Water System.

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
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

NOTE: Gahanna City PWS purchases water from Columbus Public Water System which is required to test for chlorodifluoromethane. Sample information shown below was taken by Columbus Public Water System.

Date Lab ID Result
2014-03-17201403190943AMND
2014-03-17201403190699AMND
2014-03-17201403190663AMND
2014-06-09201406120524AMND
2014-06-09201406120312AMND
2014-09-16201409180655AMND
2014-09-16201409180592AMND
2014-09-29201410020163AMND
2014-12-16201412180438AMND
2014-12-16201412180386AMND