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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Sweetwater Authority

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-23201404240461AMND
2014-04-23201404240415AMND
2014-04-23201404240521AMND
2014-07-16201407170546AMND
2014-10-14201410160188AMND
2014-10-14201410160182AMND
2014-10-14201410160195AMND
2015-01-13201501150056AMND