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426   C h a p t e r   1 0     C o r r o s i o n   i n   S o i l s   a n d   M i c r o b i o l o g i c a l l y   I n f l u e n c e d   C o r r o s i o n    427


                   2.0



                  Applied current, microamps  1.0  formation
                   1.5

                                Action level
                                Biofilm
                                begins

                   0.5

                                Clean baseline
                   0.0
                    6/4/2001 6/18/2001  7/2/2001 7/16/2001 7/30/2001 8/13/2001 8/13/2001 9/10/2001 9/24/2001

                 FIGURE 10.14  A plot of signals generated by a BioGEORGE MIC detection probe.
                 (Courtesy of George Licina, Structural Integrity Associates, Inc).

































                 FIGURE 10.15  Control box of a BioGEORGE MIC detection probe. (Courtesy of
                 George Licina, Structural Integrity Associates, Inc)
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