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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

City of Garden Grove

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.

 

25

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
20130.0323 ppb253ND - 0.376 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-043010062821ND
2013-03-053010062816ND
2013-05-133010062820ND
2013-05-133010062802ND
2013-05-133010062805ND
2013-05-1430100628130.376 ppb
2013-05-143010062807ND
2013-05-143010062803ND
2013-05-153010062809ND
2013-05-153010062815ND
2013-05-153010062811ND
2013-06-103010062821-2ND
2013-06-103010062816-2ND
2013-09-033010062821-3ND
2013-09-033010062816-3ND
2013-11-133010062820-2ND
2013-11-133010062806-2ND
2013-11-133010062809-2ND
2013-11-133010062802-2ND
2013-11-133010062805-20.0900 ppb
2013-11-133010062813-20.341 ppb
2013-11-133010062811-2ND
2013-11-133010062815-2ND
2013-12-093010062821-4ND
2013-12-093010062816-4ND