Self Potential Mapping Of Contaminants

Various geophysical techniques are useful for detection and mapping of subsurface<br>contamination plumes. Self potential seems to be a particularly promising technique due<br>to its cost effectiveness and speed of acquisition and processing. The electrochemical<br>phenomena of organic contaminants and their interactions with microorganisms in the<br>subsurface provide a detection method for self potential (SP) geophysics. In this<br>presentation, we couple biodegradation with several examples of SP detecting<br>contaminant plumes.