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12 <br />4.2 Examination and Evaluation Techniques <br />Some or all of the following procedures were performed as applicable. <br />4.2.1 Site <br />The tank site was evaluated for proper drainage, conditions affecting <br />access and lead paint abatement during reconditioning. <br />4.2.2 Foundation <br />The tank concrete foundation was visually examined for cracks, spalling, <br />condition of grout, indications of distress/settlement, and elevation <br />above grade. <br />4.2.3 Tank Plate Thickness <br />Plate thickness measurements were not taken using ultrasonic methods <br />(UTM). <br />4.2.4 Coating Thickness <br />Interior and exterior coatings, where accessible, were tested in <br />accordance with Steel Structures Painting Council SSPC-PA2-82 <br />"Measurement of Dry Film Thickness with Magnetic Gages," using <br />PosiTector-6000-F 1 Type 2 magnet flux gages with a fixed probe. <br />4.2.5 Coating Adhesion <br />Adhesion testing of the coating to the steel was performed by ASTM <br />D3359: Shear Adhesion Test, Measuring Adhesion by Tape Test. In <br />addition, a subjective coating adhesion evaluation was performed using a <br />penknife. <br />4.2.6 Coating Cure <br />The cure of the interior wet coating was evaluated by ASTM D 5402-93 <br />Standard Practice for Assessing the Solvent Resistance of Organic <br />Coatings Using Solvent Rubs and/or with the manufacturer's <br />recommended field method / industry standard procedures. <br />