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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Birmingham Water Works Board

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND160ND
2014N/A00N/A
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
2013-02-132779712ND
2013-02-132779479ND
2013-02-132779723ND
2013-02-132779701ND
2013-05-152826424ND
2013-05-152826398ND
2013-05-152826439ND
2013-05-152826387ND
2013-08-132876694ND
2013-08-132876171ND
2013-08-132876782ND
2013-08-132876675ND
2013-11-122929625ND
2013-11-122929614ND
2013-11-122929156ND
2013-11-122929603ND