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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Carson City Public Works

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.

 

15

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
2015ND70ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-11201408130731AMND
2014-08-11201408130733AMND
2014-08-12201408130810AMND
2014-08-12201408130648AMND
2014-08-12201408130669AMND
2014-08-12201408130686AMND
2014-08-12201408130822AMND
2014-11-24201411250372AMND
2015-02-23201502240532AMND
2015-02-23201502240536AMND
2015-02-23201502240586AMND
2015-02-23201502240530AMND
2015-02-24201502250934AMND
2015-02-24201502250915AMND
2015-05-12201505130627AMND