Indicate ON THE GRAPHS the corrosion potential, pitting and re-passivation potentials in both conditions. Indicate where they are on the graph.

FIG. 2 CYCLIC ANODIC POLARIZATION CURVE OF TUBE MATERLAL IN 1000 PPM CHLORIDE ION AT ROOM TEMPERATUE AND 3 MV/S SCAN RATE. FIG. 3 CYCLIC ANODIC POLARIZATION CURVE OF TUBE MATERLAL IN 1000 PPM CHLORIDE ION AT 80 C AND 3 MN/S SCANRATE