Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

City of Merced

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0132 ppb323ND - 0.180 ppb
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-07A4D2216-06AND
2014-05-07A4D2215-21AND
2014-05-07A4D2215-16AND
2014-05-07A4D2217-26AND
2014-05-07A4D2216-01AND
2014-05-07A4D2217-11AND
2014-05-07A4D2217-06AND
2014-05-07A4D2216-16AND
2014-05-07A4D2215-26AND
2014-05-07A4D2215-06AND
2014-05-07A4D2215-11A0.160 ppb
2014-05-07A4D2215-01AND
2014-05-07A4D2217-31AND
2014-05-07A4D2216-26AND
2014-05-07A4D2216-21AND
2014-05-07A4D2217-16AND
2014-05-07A4D2217-21AND
2014-05-07A4D2215-31A0.0810 ppb
2014-05-07A4D2217-01AND
2014-05-07A4D2216-11AND
2014-11-06A4J0525-26AND
2014-11-06A4J0788-31AND
2014-11-06A4J0525-16AND
2014-11-06A4J0525-21AND
2014-11-06A4J0788-26AND
2014-11-06A4J0788-11AND
2014-11-06A4J0525-06AND
2014-11-06A4J0525-11A0.180 ppb
2014-11-06A4J0525-31AND
2014-11-06A4J0525-01AND
2014-11-06A4J0788-01AND
2014-11-06A4J0788-06AND
2015-05-07A5D2609-01AND