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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of Fremont

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND50ND
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
2013-09-16745300-9726ND
2013-09-16745306-9786ND
2013-09-16745238-9726ND
2013-09-16745236-9726ND
2013-09-16745361-9786ND
2014-03-05773399-10870ND
2014-03-05773393-10870ND
2014-03-05773397-10870ND
2014-03-05773391-10870ND
2014-03-05773395-10870ND