Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

Nashville Water Department #1

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND80ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A

ppb = parts per billion

All test results

Date Result
2015-01-27ND
2015-01-27ND
2015-04-22ND
2015-04-22ND
2015-08-11ND
2015-08-11ND
2015-10-19ND
2015-10-19ND