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_j <br />06-03-1993 09:26AM FROM FAX # 510 4?1 3698 TO 12094640138 P.03 <br />Lyle Stuck <br />Cathodic Protectim System Post-bmullation Testing <br />.500 Gallon Diesd Fuel Storage Tank <br />Pacific it Central Office - Escalon, CalifoFnia <br />F%W 2 Of 2 <br />Tank -to -soil potentials were taken with the anodes connected and momentarily <br />disconnected. Potential values were -1660 mV with the anodes connected and -1015 <br />v*h the anodes disconnected. Potentials with the anodes disconnected exceed the NACE <br />criterion fbr cathodic protection. <br />Anode Current output nicasuremenft taken indicate an aveWe Current output Of 50 <br />inilliampaw. These current outputs indicate the anodes were operating properly. <br />TO insure the continued proper operation of the cathodic protection system, wi <br />reconnnend testing the system on an a=ual basis. This testing should be performed by a <br />14-uamed corrosion engineeringfirm. <br />r <br />office at (510) 471-2233, <br />OEM= <br />COR"RO COWANTES, INC. <br />Jim Eggenberger <br />Project Engin= <br />Ila "Ik <br />