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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of Stockton

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.

MORE ABOUT THIS CONTAMINANT

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND390ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-03A5A1406-01AND
2015-02-17A5A1435-06AND
2015-02-17A5A1435-25AND
2015-02-17A5A1435-01AND
2015-02-17A5A1435-15AND
2015-02-17A5A1435-20AND
2015-02-18A5A1437-01AND
2015-02-18A5A1436-16AND
2015-02-18A5A1436-11AND
2015-02-18A5A1436-26AND
2015-02-18A5A1436-06AND
2015-02-18A5A1436-21AND
2015-02-18A5A1436-01AND
2015-02-19A5A1437-11AND
2015-02-19A5A1437-06AND
2015-02-19A5A1437-16AND
2015-02-19A5A1437-21AND
2015-05-13A5D2252-06AND
2015-05-13A5D2252-01AND
2015-05-13A5D2252-11AND
2015-08-11A5G2155-01AND
2015-08-11A5G2155-06AND
2015-08-11A5G2145-11AND
2015-08-11A5G2145-06AND
2015-08-11A5G2145-01AND
2015-08-12A5G2161-16AND
2015-08-12A5G2161-06AND
2015-08-12A5G2161-01AND
2015-08-12A5G2161-31AND
2015-08-12A5G2161-11AND
2015-08-12A5G2161-21AND
2015-08-12A5G2177-16AND
2015-08-13A5G2177-11AND
2015-08-13A5G2177-06AND
2015-08-13A5G2177-01AND
2015-08-13A5G2161-26AND
2015-11-04A5J1873-06AND
2015-11-04A5J1873-01AND
2015-11-04A5J1873-11AND