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26 February 2016 <br />AGE -05-1339 <br />Page 4 of 6 <br />gauge and thickness discussed in Section 2.1.3. The approximate rectangular AST <br />width, height and length are 35 -inch (outside double walled), 63 -inch and 125 -inch, <br />respectively. The AST ancillary equipment is discussed in Section 2.1.4. <br />3.2. VISUAL INSPECTION <br />The visual inspection [22CCR§66264.193(e)(2)] of the AST was conducted by an AGE <br />representative on 12 February 2016. The AST exterior surface did not reveal signs of <br />leaks, corrosion, weld cracks; weld breaks or scrapes in coating which may cause a <br />release from the AST system. A visual assessment summary is included as Table 3. <br />4.0. HYDROSTATIC TEST <br />The hydrostatic test [22CCR§66265.192(k)(10)] is conducted to verify the AST primary <br />tank and secondary shell will not leak. The test was conducted by representatives of <br />AGE on 12 February 2016. Test results are provided in Table 4. <br />4.1. HYDROSTATIC TEST PROCEDURE <br />The five (5) AST primary ports and four (4) secondary ports are temporarily sealed to <br />maintain an inner constant pressure. A regulator with pressure valve was attached to <br />one opening of the primary AST compartment. Air pressure was applied with a <br />compressor ranging between approximately 3 pounds per square inch (psi) to the <br />primary; additionally air pressure was applied with a compressor ranging between <br />approximately 2.2 psi testing of the secondary followed successful results from the <br />primary tank test. The approximate AST ports and respective locations are shown on <br />Figure 1. <br />4.2. HYDROSTATIC TEST RESULTS <br />The hydrostatic test results indicated the primary AST tank and secondary shell did not <br />leak at the time of the test. Pressure readings were collected every fifteen minutes for <br />one hour from the primary and secondary. No fluctuation in pressure was recorded <br />during the test. Test results are provided in Table 4. <br />