Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

Merrimack Village District

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
2014ND70ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-1435134213003AMND
2014-04-1435134213001AMND
2014-04-2235135015001AMND
2014-07-2135147204001AMND
2014-10-0735158589005AMND
2014-10-0735158589001AMND
2014-10-0735158589003AMND
2015-06-1535193367001AMND