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A2.9 Pass/ Fail Criteria: <br /> A2.9.1 The average tank metal thickness shall be at least 75%of the original tank metal thickness;and, <br /> the average tank metal thickness of a section which was designated as a thin wall target area shall be at <br /> least 75%of the original metal thickness to pass. <br /> A2.9.2 Tanks not meeting the wall thickness requirements mentioned above failed and shall be closed in <br /> accordance with applicable local,state and federal regulations. <br /> 2/99 <br /> Page 26 of 30 <br />