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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Rockford

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.

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52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.00471 ppb211ND - 0.0990 ppb
20150.00274 ppb311ND - 0.0850 ppb
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-08801404-11747ND
2014-07-08801669-11747ND
2014-07-08801400-11747ND
2014-07-08801679-11760ND
2014-07-08801412-11747ND
2014-07-08801667-11747ND
2014-07-08801665-11747ND
2014-07-08801396-11747ND
2014-07-08801685-11760ND
2014-07-08801410-11747ND
2014-07-08801392-11747ND
2014-07-08801394-11747ND
2014-07-08801402-11747ND
2014-07-08801683-117600.0990 ppb
2014-07-08801675-11760ND
2014-07-08801390-11747ND
2014-07-08801406-11747ND
2014-07-08801414-11747ND
2014-07-08801681-11760ND
2014-07-08801677-11760ND
2014-07-08801398-11747ND
2015-01-08838252-13173ND
2015-01-08838208-13163ND
2015-01-08838216-13173ND
2015-01-08838220-13173ND
2015-01-08838246-13173ND
2015-01-08838254-13191ND
2015-01-08838248-13173ND
2015-01-08838242-13173ND
2015-01-08838237-13173ND
2015-01-08838256-13173ND
2015-01-08838210-13163ND
2015-01-08838212-13173ND
2015-01-08838250-13173ND
2015-01-08838225-13173ND
2015-01-08838244-13173ND
2015-01-08838258-13173ND
2015-01-08838227-13173ND
2015-01-08838235-13191ND
2015-01-08838264-13191ND
2015-01-08838233-13173ND
2015-01-08838218-13173ND
2015-07-13870168-14497ND
2015-07-13870172-145040.0850 ppb
2015-07-13870180-14497ND
2015-07-13870174-14497ND
2015-07-13870170-14497ND
2015-07-13870178-14497ND
2015-07-13870176-14497ND
2015-09-14882884-14919ND
2015-12-09897655-15524ND
2015-12-09897657-15524ND