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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Coastside County Water District

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND10ND
2014ND60ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-12-11A3J1692-01AND
2014-03-11A4B2102-01AND
2014-03-11A4B2096-01AND
2014-06-17A4E1990-01AND
2014-06-17A4E1991-01AND
2014-09-15A4H2149-01AND
2014-12-30A4K1350-01AND
2015-12-14A5L0325-01AND