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CALIFORNIA MONTHLY <br />STATISTICAL INVENTORY RECONCILATION (SIR) REPORT <br />EnvirX]uest Technologies, Ltd. Phone (800) 878-9747 <br />SIRAS — version 2.8.3 Date of SIR report 12/14/95 <br />1 What is the required number of usable inventory days per taW 30 <br />Unocal No. 4409 <br />1502 N. EI Dorado <br />m Stockton, CA 95204 <br />J <br />ACILlITYNAME ' Unocal No. <br />4409 <br />Address <br />Phone <br />1502 N. EI Dorado <br />(714) 572-7653 <br />City Stockton <br />Zip 95204 <br />Name <br />Address <br />Unocal <br />2929 E. <br />Imperial Highway <br />City <br />Name <br />Brea <br />Unocal <br />Phone (714) 572-7653 <br />Phone (714) 572-7653 <br />Leak <br />Threshold <br />gph <br />This Month <br />Minimum Calculated Pass, Fail, <br />Detectable Leak Rate (6b) Inconclusive <br />Leak Rate (6c) <br />gph gph P F I 1 <br />Last <br />Month (7) <br />Two <br />Months <br />Ago (7) <br />Pass, Fail, <br />inconclusive <br />Pass, Fail, <br />Inconclusive <br />P F I <br />P F I I <br />Tank No. 87-1 <br />Regular Unleaded <br />12000 <br />0.10 <br />0.20 <br />0.01 <br />` <br />Tank No. 92-1 <br />Premium Unleaded <br />12000 <br />0.10 <br />0.20 <br />-0.05 <br />Tank No. DSL -1 <br />Diesel <br />12000 <br />0.10 <br />0.20 <br />-0.01 <br />NOTE: N/A indicates No Analysis Performed Negative Calculated Leak Rates indicate a Gain <br />1. The lank owner is required to have an SIR report for each month [Section 2643 (b)(3) CCR`]. <br />2. Monthly reports must be submitted to the local agency upon request [Section 2712 (b) CCR]. <br />3. The tank owner is required to have the report by the 20th day of the following month [Section 2646.1 (c) CCR). <br />4. If for any reason, the test is neither "pass' nor 'fall", the 'inconclusive column must be marked. <br />5. The local agency must be notified of a tank that does not pass the SIR test within 24 hours of receipt of the report and the SIR report must be <br />submitted to the local agency within 10 days of the date of the report [Section 2646.1 (d) CCR]. <br />6. Quantitative and Qualitative Methods: <br />a. A leak threshold, minimum detectable leak rate, and calculated leak rale must be provided for each tank. If not, then the tank failed the SIR test. <br />b. If the calculated leak rale for a tank is greater than or equal to the leak threshold, the tank failed the SIR test. <br />c. If the minimum detectable leak rate for a tank is greater than the certified performance standard (i.e., 0.1 or 0.2 gph) and the calculated leak rate <br />is less than the leak threshold, the test is inconclusive for that month. <br />d. Two consecutive failures and/or inoonclusives require a tank and/or piping integrity test within 15 days from the date of the <br />second report [Section 2646.1 (h) CCR]. <br />7. Optional. <br />CCR means Title 23, Division 3, Chapter 16 of the California Code of Regulations <br />SWRCB — SIRMION — 01 (12184) <br />