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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Tualatin Valley 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-13201408140405AMND
2014-08-13201408140528AMND
2014-08-13201408140547AMND
2014-11-18201411190456AMND
2014-11-18201411190460AMND
2015-02-25201502260208AMND
2015-02-25201502260316AMND
2015-06-29201506300295AMND
2015-06-29201506300316AMND
2015-06-29201506300303AMND