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MICROBIOLOGICAL FIELD SAMPLING AND INSTRUMENTATION IN THE ASSESSMENT OF SOIL AND GROUND-WATER POLLUTION
Citation:
AzadpourKeeley**, A. MICROBIOLOGICAL FIELD SAMPLING AND INSTRUMENTATION IN THE ASSESSMENT OF SOIL AND GROUND-WATER POLLUTION. Chapter 32, Environmental Instrumentation and Analysis Handbook. John Wiley & Sons Incorporated, New York, NY, , 701-730, (2005).
Description:
This chapter emphasizes the importance of microbiological sampling of soil and ground water with respect to human heath risks, laws and regulations dealing with safe drinking water, and more prevalent subsurface monitoring activities associated with chlorinated organic compounds, petroleum hydrocarbons, agricultural chemicals, and metals. In highlighting the importance and difficulties of subsurface biotic sampling, the types of organisms of interest are discussed along with the processes which sustain their activation as well as the affects these processes exert on the speciation, transport, and fate of geochemical parameters and anthropogenic contaminants. In addition, an overview is provided of microbiological and molecular microbial techniques of characterizing the composition and diversity of community structures.
Subsurface sampling is addressed in considerable detail encompassing the role of hydrogeology in the design and installation of a soil and ground-water sampling program along with well purging and sampling techniques which are unique to microbiology as well as site specific diversity. Field sampling is discussed in terms of general and specific parameters in support of microbiological investigations, and the field instrumentation commonly used in the pursuit of project goals is outlined. Finally, the interrelation of field and laboratory analyses is delineated.