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15.4 Integrity Testing- 40 CFR 112.8 (c)(6) <br />As outlined in the settlement agreement between the EPA, API, Petroleum Marketers <br />Association of America and Marathon Oil Company in February 2004, shop built containers with <br />shell capacity of 30,000 gallons or less that are elevated in a manner that decreases corrosion <br />potential and makes all sides visible during visible inspections, do not need to undergo <br />additional methods of integrity testing to meet the requirement of § 112.8(c)(6). <br />The aboveground storage tanks at this facility are less than 30,000 gallons in capacity, and <br />elevated above ground decreasing the potential for corrosion and allowing for the tank bottoms <br />to be visible during inspection. Therefore monthly visual inspections will be conducted in lieu of <br />the integrity testing requirements. <br />All piping used for product transfer will be maintained in an aboveground state. Piping at the site <br />operates a low pressure and is used intermittently for dispensing fuel. Integrity testing of piping <br />will not be required as it can be visually inspected in its entirety. Table 3A summarizes <br />inspections and tests performed on bulk storage containers ("EE") indicates that an <br />environmentally equivalent measure is implemented in place of the inspection/test discussed in <br />Section 4 A of this Plan. <br />0'614)