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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

West Slope Water District

NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for chlorodifluoromethane. Sample information shown below was taken by Portland Water Bureau.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND10ND
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for chlorodifluoromethane. Sample information shown below was taken by Portland Water Bureau.

Date Lab ID Result
2014-03-19201403200340AMND
2014-06-26201406270434AMND
2014-07-08201407090732AMND
2014-09-11201409120826AMND
2014-12-10201412110612AMND
2015-06-17201506180496AMND