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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of West Columbia

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
2013ND20ND
2014ND60ND
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
2013-10-29201310310125AMND
2013-10-29201310310123AMND
2014-01-27201401310078AMND
2014-01-27201401310072AMND
2014-04-28201405010478AMND
2014-04-28201405010406AMND
2014-07-22201407240502AMND
2014-07-22201407240425AMND