Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

Duncan Public Utilities Authority

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-11-054K05130-01ND
2015-03-045C05034-01ND
2015-05-065E06207-01ND
2015-08-055H05200-01ND