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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of Keller

NOTE: City of Keller purchases water from City of Fort Worth which is required to test for chlorodifluoromethane. Sample information shown below was taken by City of Fort Worth.

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
2013ND30ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Keller purchases water from City of Fort Worth which is required to test for chlorodifluoromethane. Sample information shown below was taken by City of Fort Worth.

Date Lab ID Result
2013-06-25201306270160AMND
2013-06-25201306270151AMND
2013-06-25201306270202AMND
2013-06-25201306270171AMND
2013-06-25201306270142AMND
2013-10-11201310150075AMND
2013-10-11201310150073AMND
2013-10-11201310150071AMND
2013-10-11201310150069AMND
2013-12-03201312090014AMND
2013-12-03201312090012AMND
2013-12-03201312090005AMND
2013-12-03201312090008AMND
2014-03-05201403070183AMND
2014-03-05201403070185AMND
2014-03-05201403070132AMND