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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Central Coast Water Authority

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-019590-002-0715ND
2015-05-069590-002-0730ND
2015-05-069590-002-0730ND
2016-05-049590-002-1000ND
2016-05-049590-002-1000ND
2017-05-029590-002-0945ND
2017-05-029590-002-0945ND
2018-05-029590-002-0800ND
2018-06-269590-002-0828ND
2019-04-309590-002-1055ND
2019-04-309590-002-1055ND