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Date: 2004-03-04 13:10:58Earth Water quality Carbonaceous biochemical oxygen demand Indicator bacteria Bioindicator Biochemical oxygen demand Wastewater United States Geological Survey Environment Water pollution Water | BIOLOGICAL INDICATORS—7 Chapter A7. BIOLOGICAL INDICATORSAdd to Reading ListSource URL: water.usgs.govDownload Document from Source WebsiteFile Size: 59,58 KBShare Document on Facebook |