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Category 3 - ASTs without spill control and without CRDM <br />Single-wall tank directly on soil and without spill control <br />SP001 Standard Inspection Schedule <br />Here is the corresponding Table 5.5, "Table of Inspection Schedules" from SP001: <br />AST Type and Size (U.S. gallons) <br />Category I <br />Category 2 <br />Category 3 <br />0-1100 <br />p <br />P <br />P, E&L(10) <br />(04164 liters) <br />1101-5,000 <br />[P, E&L(5), I(10) l <br />(4168-18,927 liters) <br />P <br />P, E&L(10) <br />or <br />P, L(2), E 5 <br />Shop -Fabricated ASTs <br />[P, E(10), I(20)] <br />[P, E&L(5),1(10)] <br />5,001 - 30,000 <br />P, E(20) <br />or <br />or <br />(18,931-113,562 liters) <br />p, E(5), L 10 <br />P, L(1), E(5)] <br />30,001 - 50,000 <br />P, E(20) <br />P, E&L(5), I(15) <br />P, E&L(5), I(10) <br />(113,566-189,271 liters) <br />Field -erected AST <br />P, E(5), I(10) <br />P, E&L(5), I(10) <br />P, E&L(5), I(10) <br />Portable Containers <br />P <br />P <br />P <br />Note the following: <br />P — Periodic AST inspection <br />E — Formal External Inspection by certified inspector <br />I — Formal Internal Inspection by certified inspector <br />L — leak test by owner or owner's designee <br />() indicates maximum inspection interval in years. <br />For example, E (5) indicates formal external inspection every 5 years. <br />and <br />Category 1 - ASTs with spill control, and with CRDM <br />Category 2 - ASTs with spill control and without CRDM <br />Category 3 - ASTs without spill control and without CRDM <br />