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EWG's Tap Water Database — 2019 UPDATE

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Dichlorodifluoromethane

City of San Clemente

Dichlorodifluoromethane (Freon-12) 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND30ND
2015ND20ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-181805-021-1020ND
2014-03-121805-021-0925ND
2014-04-099588-004-1010ND
2014-04-091805-004-1010ND
2015-03-111805-021-1105ND
2015-09-041805-021-0820ND
2016-03-111805-021-1045ND
2016-05-171805-004-1040ND
2017-03-081805-021-1120ND
2017-05-011805-004-0000ND