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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of Douglas

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
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
2014-03-242997040ND
2014-03-242997134ND
2014-03-242996970ND
2014-03-242997093ND
2014-03-242997125ND
2014-03-242997164ND
2014-09-243111101ND
2014-09-243111200ND
2014-09-243111087ND
2014-09-243111213ND
2014-09-243111227ND
2014-09-243111042ND