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Date: 2011-04-13 14:02:24Niagara Falls Niagara River Triphenylene Benzo(a)pyrene Niagara Lake Ontario New York Geography of Ontario Canada–United States border Polycyclic aromatic hydrocarbons Geography of New York | Microsoft PowerPoint - 6_Niagara.pptAdd to Reading ListSource URL: www.epa.govDownload Document from Source WebsiteFile Size: 435,86 KBShare Document on Facebook |