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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Golden State Water Company (GSWC) - South Arcadia

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.

 

10

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
20130.0260 ppb51ND - 0.130 ppb
20140.0280 ppb51ND - 0.140 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-12-183L19003-09A0.130 ppb
2013-12-183L19003-07AND
2013-12-183L19003-01AND
2013-12-183L19003-05AND
2013-12-183L19003-03AND
2014-06-244F24039-09A0.140 ppb
2014-06-244F24039-03AND
2014-06-244F24039-01AND
2014-06-244F24039-07AND
2014-06-244F24039-05AND