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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

City of Alexandria

NOTE: City of Alexandria purchases water from Fairfax County Water Authority which is required to test for chlorodifluoromethane. Sample information shown below was taken by Fairfax County Water Authority.

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND100ND
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Alexandria purchases water from Fairfax County Water Authority which is required to test for chlorodifluoromethane. Sample information shown below was taken by Fairfax County Water Authority.

Date Lab ID Result
2013-07-17201307180828AMND
2013-07-17201307180811AMND
2013-07-17201307180820AMND
2013-07-17201307180822AMND
2013-07-17201307180824AMND
2013-10-15201310160171AMND
2013-10-15201310160176AMND
2013-10-15201310160200AMND
2013-10-15201310160208AMND
2013-10-15201310160210AMND
2014-01-13201401140197AMND
2014-01-13201401150621AMND
2014-01-13201401150723AMND
2014-01-13201401140199AMND
2014-01-14201401150684AMND
2014-04-14201404150283AMND
2014-04-14201404150441AMND
2014-04-14201404150219AMND
2014-04-14201404150405AMND
2014-04-14201404150439AMND