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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Dover Water Department

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.

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26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND250ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-25201403270437AMND
2014-03-25201403270321AMND
2014-03-25201403270433AMND
2014-03-25201403270282AMND
2014-03-25201403270318AMND
2014-03-26201403270306AMND
2014-03-26201403270429AMND
2014-03-26201403270400AMND
2014-03-26201403270425AMND
2014-03-26201403270206AMND
2014-03-26201403270427AMND
2014-03-26201403270163AMND
2014-09-16201409170760AMND
2014-09-16201409180277AMND
2014-09-16201409170855AMND
2014-09-16201409170723AMND
2014-09-16201409170752AMND
2014-09-17201409180639AMND
2014-09-17201409190318AMND
2014-09-17201409180608AMND
2014-09-17201409180627AMND
2014-09-17201409190310AMND
2014-09-22201409230467AMND
2014-09-22201409230406AMND
2014-09-22201409230332AMND
2015-03-12201503140140AMND