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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Lafayette

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.

 

12

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
2013N/A00N/A
2014N/A00N/A
2015ND120ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-03-163206839ND
2015-03-163206861ND
2015-03-173208194ND
2015-06-093258220ND
2015-06-113260394ND
2015-06-153262291ND
2015-09-013313007ND
2015-09-013313029ND
2015-09-023314395ND
2015-12-073370075ND
2015-12-073370089ND
2015-12-093372177ND