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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

City of Surprise - Mountain Vista

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
2012N/A00N/A
2013N/A00N/A
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-122974521ND
2014-02-122974613ND
2014-02-122974539ND
2014-02-122974578ND
2014-08-283096120ND
2014-08-283096083ND
2014-08-283096092ND
2014-08-283096134ND