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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

California Water Service Company - Dominguez

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.

 

27

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
2014ND220ND
2015ND50ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-02201404030202AMND
2014-04-02201404030215AMND
2014-04-02201404030190AMND
2014-04-09201404100039AMND
2014-04-09201404100021AMND
2014-04-09201404100049AMND
2014-04-16201404161006AMND
2014-04-16201404161020AMND
2014-04-16201404161015AMND
2014-07-09201407100245AMND
2014-07-16201407160938AMND
2014-07-16201407160951AMND
2014-07-17201407170900AMND
2014-07-17201407170891AMND
2014-10-01201410010680AMND
2014-10-01201410010696AMND
2014-10-15201410160153AMND
2014-10-15201410160144AMND
2014-10-15201410160129AMND
2014-10-22201410220557AMND
2014-10-22201410220543AMND
2014-10-31201410310235AMND
2015-01-07201501070702AMND
2015-01-07201501080023AMND
2015-01-08201501080799AMND
2015-01-14201501141020AMND
2015-01-14201501141133AMND