Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chlorodifluoromethane

City of Lewiston

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.

 

6

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
2013ND60ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-19130219036-002ND
2013-02-19130219036-001ND
2013-05-21130522003-001ND
2013-08-14130814066-001ND
2013-08-21130822019-001ND
2013-11-12131112036-001ND