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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Aquarion Water Company of Connecticut - Greenwich 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-01201404020466AMND
2014-04-01201404020496AMND
2014-04-01201404020547AMND
2014-07-07201407080373AMND
2014-07-07201407080377AMND
2014-07-07201407080375AMND
2014-10-16201410180110AMND
2014-10-16201410180094AMND
2014-10-16201410180096AMND
2015-01-06201501070580AMND
2015-02-04201502050741AMND
2015-02-04201502050737AMND