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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of Hewitt

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
2013ND40ND
2014ND60ND
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
2013-10-09Q1308728005ND
2013-10-09Q1308728007ND
2013-10-09Q1308728001ND
2013-10-09Q1308728003ND
2014-01-14Q1400599001ND
2014-04-17Q1412218003ND
2014-04-17Q1412218007ND
2014-04-17Q1412218005ND
2014-04-17Q1412218001ND
2014-07-29Q1431973001ND