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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Mukilteo Water & Wastewater District

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.

 

4

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
2013ND20ND
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-08-0713H0372-01AND
2013-11-1413K0602-01AND
2014-02-1414B0725-03AND
2014-05-2014E0927-01AND