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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Oro Valley Water Utility

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND320ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-043181536ND
2015-02-043181525ND
2015-02-053182339ND
2015-02-053182415ND
2015-02-053182348ND
2015-02-053182367ND
2015-02-053182384ND
2015-02-113186696ND
2015-02-113186750ND
2015-02-123187595ND
2015-02-123187545ND
2015-02-123187586ND
2015-02-123187557ND
2015-02-123187536ND
2015-02-173189611ND
2015-02-183190600ND
2015-08-043293091ND
2015-08-043293078ND
2015-08-063294735ND
2015-08-063294708ND
2015-08-063294822ND
2015-08-063294768ND
2015-08-103296068ND
2015-08-123299600ND
2015-08-123299490ND
2015-08-133300719ND
2015-08-133300735ND
2015-08-133300753ND
2015-08-133300744ND
2015-08-183303956ND
2015-08-183303987ND
2015-08-183304005ND