Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chlorodifluoromethane

City of Hereford

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
2012N/A00N/A
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-05-23Q1301489005ND
2013-05-23Q1301489007ND
2013-05-23Q1301489003ND
2013-05-23Q1301489001ND
2013-12-03Q1315543003ND
2013-12-03Q1315543007ND
2013-12-03Q1315543005ND
2013-12-03Q1315543001ND