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CALIFORNIA MONTHLY <br />STATISTICAL INVENTORY RECONCILATION (SIR) REPORT <br />SIR Provider I EnviroQuest Technologies, Ltd. Phone (800) 878-9747 <br />SIRVersionSIRAS — version 2.8.3 Date of SIR report 1 /15/96 <br />Period Covered 1 12/95 I What is the required number of usable days - - Y per tank? 30 <br />Unocal No. 4409 <br />a 1502 N. EI Dorado <br />Stockton, CA 95204 <br />FACIL/TYNAME <br />Unocal No. 4409 <br />TANK <br />LOCATION :::': <br />Address 1502 N. EI Dorado City Stockton <br />Phone (714) 572-7653 Zip 95204 <br />TANK OWNER <br />Name Unocal <br />Address 2929 E. Imperial Highway <br />City Brea Phone (714) 572-7653 <br />TANKOPERATOR <br />Name Unocal Phone (714) 572-7653 <br />Tank <br />Number <br />Tank <br />Contents <br />Tank <br />Capacity <br />(gallons) <br />This Month <br />Last <br />Month (7) <br />Two <br />Months <br />Ago (7 <br />Leak Minimum Calculated Pass, Fall, <br />Threshold Detectable Leak Rate (6b) Inconclusive <br />Leak Rate (6c) <br />Pass, Fall, <br />Inconclusive <br />Pass, Fail, <br />Inconclusive <br />gph gph gph P F I <br />P F I <br />P F I <br />Tank No. 87-1 <br />Regular Unleaded <br />12000 <br />0.10 0.20 -0.04 <br />' <br />Tank No. 92-1 <br />Premium Unleaded <br />12000 <br />0.10 0.20 -0.02 <br />' <br />Tank No. DSL -1 <br />Diesel <br />120001 <br />0.10 1 0.16 1 0.04 <br />' <br />NOTE: N/A indicates No Analysis Performed Negative Calculated Leak Rates indicate a Gain <br />1. The tank 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 lank 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 "fail", 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 dale 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 rate must be provided for each tank. If not. then the tank failed the SIR test. <br />b. If the calculated leak rate for a tank is greater than or equal to the teak threshold, the tank failed the SIR test. <br />c. If the minimum delectable leak rate for a tank is greater than the cartified performance standard (i.e., 0.1 or 0.2 gph) and the calculated leak rate <br />is lass than the leak threshold, the test is inconclusive for that month. <br />d. Two consecutive failures and/or inconclusives 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 />Person conducting evaluation <br />Signature (optional) <br />CCP means Tele 23, Division 3, Chapter 16 of the California Code of Regulations <br />SWRCS— SIR/MON —01 (12/94) <br />Date <br />