BIOGRAPHY OF A RIVER

lactose: a type of simple sugar that can be digested by fecal coliform bacterianonendospore-forming: does not form an encapsulated nucleus resistant to most harshenvironmental conditionsnonpoint source pollution (NPS): pollution that cannot be traced to a single point (e.g., outlet or pipebecause it comes from many individual sources or a widespread area (typically, rural, urban, andagricultural runoff)pathogens: disease causing agents, especially disease-causing microorganismspathogenic: producing diseasepoint source pollution: pollution that can be traced to a single point source such as a pipe or culvert(e.g., industrial, wastewater treatment plant, and certain storm water discharges)rod-shaped bacteria: a physical form of bacteria. These are longer than they are wide; . cylindricalADVANCE PREPARATIONA. Order Hach m-ColiBlue 24 broth or a Coliform testing kit.B. Set up membrane filtration equipment. Instructions will come with the supplies.C. Run off Student Sheet.D. Collect or have students collect water samples from the tap, bottled water, or surfacewater (local river, stream, wetland, lake, pond, reservoir, or ocean). Use clean bottles with lidsto collect.PROCEDUREI. Setting the stageA. List and define terms on the board.B. Discuss Background Information.C. Review aseptic technique with students.3-69