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ANNUAL STATISTICAL INVENTORY RECONCILIATION (SIR) REPORT <br />Annual summary reports are required for retail and non -retail facilities <br />FACILITY NAME Unocal No. 4409 _ PRODUCT Premium Unleaded <br />FACILITY ADDRESS 1502 N. EI Dorado TANK I.D. Number Tank No. 92-1 <br />CITY, STATE ZIP Stockton. CA 95204_ <br />TANKOWNER/OPERATOR Ucal TANK CAPACITY 12,000 <br />no <br />LAST TANK TEST DATE _ <br />_ _ PASS/FAIL <br />LAST LEAK DETECTOR CHECK DATE <br />PASS/FAIL <br />LAST PIPING TEST DATE _. <br />PASS/FAIL <br />_ LAST METER CALIBRATION CHECK DATE <br />PASS/FAIL <br />All monthly SIR results for the above mentioned tank at the above mentioned facility were "pass" for the twelve <br />month period from January, 1995 to December, 1995. <br />❑ Monthly SIR results showing "fail" or "inconclusive" occurred on the following months, in the listed amounts, for the <br />UST. It the SIR result tot a month exceeded the SIR method's threshold or was inconclusive, appropriate corrective <br />actions described in Section 2646.1 must be taken. The local agency must be notified within 24 hours of receiving a <br />"failed" or "inconclusive" SIR report. <br />c„mmary .r text results from monthly SIR reports. Complete for all 12 months. <br />MonthNear <br />Leak, <br />Threshold <br />(gph) <br />Minimum <br />Detectable <br />Leak Rate <br />(gph) <br />Calculated <br />Leak Rate <br />(gph) <br />, Fail <br />clusive <br />;Pa;ss <br />1 <br />Jan 1995 <br />0.10 <br />0.10 <br />0.05 <br />2 <br />Feb 1995 <br />0.10 <br />0.20 <br />0.01 <br />Pass <br />3 <br />Mar 1995 <br />0.10 <br />0.20 <br />-0.08 <br />Pass " <br />4 <br />Apr 1995 <br />0.10 <br />0.20 <br />0.04 <br />Pass <br />5 <br />May 1995 <br />0.10 <br />0.20 <br />0.00 <br />Pass <br />6 <br />June 1995 <br />0.10 <br />0.29 <br />-0.18 <br />Pass " <br />7 <br />July 1995 <br />0.10 <br />0.20 <br />0.06 <br />Pass <br />8 <br />Aug 1995 <br />0.10 <br />0.20 <br />0.04 <br />Pass <br />9 <br />Sept 1995 <br />0.10 <br />0.19 <br />0.00 <br />Pass " <br />10 <br />Oct 1995 <br />0.10 <br />0.20 <br />-0.04 <br />Pass " <br />11 <br />Nov 1995 <br />0.10 <br />0.20 <br />-0.05 <br />Pass " <br />12 <br />Dec 1995 <br />0.10 <br />0.20 <br />-0.02 <br />Pass" <br />` No Analysis Performed <br />Negative Calculated Leak Rate indicates a Gain <br />Submit report within 15 days following the end of the last month of the twelve-month period covered by this summary report. <br />Send to: (local implementing agency) <br />I certify under enalt of perjury that all SIR results listed above are as calculated. <br />TRIANGeE ENWRONMENTAL. INC. <br />172 WEST VEROUGO AVE. 3 y (y <br />BURBANK. CA 91502-2132 <br />Signature of Tank Owner/Operator or Agent Date <br />SVVRCa-Annu.ISIR, INV 02 <br />