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![]() Date: 2011-01-21 08:47:12Rail transport Chemistry Naphthalenesulfonates Land transport Ponceau 4R Azorubine Tartrazine European Health Insurance Card E123 Azo dyes Food colorings Sodium compounds | Source URL: wdr.water.usgs.govDownload Document from Source WebsiteFile Size: 63,01 KBShare Document on Facebook |