Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dichlorodifluoromethane

Merrimack Village District

Dichlorodifluoromethane (Freon-12) 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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-0714040103-001ND
2014-04-0714040103-002ND
2014-04-0714040103-003ND
2014-04-0714040103-004ND
2015-04-0715040059-001ND
2015-04-0715040059-002ND
2015-04-1415040142-001ND
2015-04-1415040142-002ND
2018-04-0518040073-001ND
2018-04-0518040074-001ND
2018-04-0518040075-001ND