Page 459 - Corrosion Engineering Principles and Practice

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

1.500"

316L SS
or Epoxy
Titanium
2.250''

2" NPT 304 SS
or PVC
Structural conductor

6-Pin sealed connector
(a)

(b)
FIGURE 10.13 (a) Schematic and (b) picture of the BioGEORGE MIC detection
probe. (Courtesy of George Licina, Structural Integrity Associates, Inc)

electrode pairs [12]. The production of sulfides or concentration of
chlorides by microbial action has been shown to produce a nearly
instantaneous change in the potential of the electrode pair, thus
providing an indication of specific microbial activity.