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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of Tyler

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.

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-21Q1401668003ND
2014-01-21Q1401668001ND
2014-01-21Q1401668005ND
2014-01-21Q1401668009ND
2014-01-21Q1401668007ND
2014-01-22Q1401770005ND
2014-01-22Q1401770001ND
2014-01-22Q1401770003ND
2014-04-08Q1410891021ND
2014-04-08Q1410891003ND
2014-04-08Q1410891001ND
2014-07-10Q1426731017ND
2014-07-10Q1426731013ND
2014-07-10Q1426731009ND
2014-07-10Q1426731003ND
2014-07-10Q1426731001ND
2014-07-10Q1426731007ND
2014-07-10Q1426731011ND
2014-07-10Q1426731015ND
2014-07-10Q1426731005ND
2014-10-01Q1450144001ND
2014-10-01Q1450144003ND