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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Cal-am Water Company - Duarte

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.

 

16

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
2013ND160ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-0621127001ND
2013-03-0621127101ND
2013-03-0621126801ND
2013-03-1221126401ND
2013-03-1221126901ND
2013-03-1321127201ND
2013-03-1321269901ND
2013-03-1321126501ND
2013-09-1023394801ND
2013-09-1023394901ND
2013-09-1023394301ND
2013-09-1023394401ND
2013-09-1023394201ND
2013-09-1023394701ND
2013-09-1023394501ND
2013-09-1023394601ND