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- 17 - <br />USTMAN SIR SYSTEM <br />Monthly Monitoring Report <br />SEPTEMBER - OCTOBFR, 1992 <br />Report Date: 12/04/92 <br />Company name :CHEVRON NORTHERN REGION <br />Station Name: D Station # o =-x-^- <br />-Address: 301 W KETTLEMAN LN City: LODI Stage: CA <br />PART A: � <br />--------------------------------------------------------------- <br />Data <br />Tank ID: System Status: Product: Quality: Dels: Sales: <br />P INCONCLUSIVE P POOR 43885` 44690 <br />S INCONCLUSIVE S POOR 82825 81709 <br />UL INCONCLUSIVE UL POOR 195111 -197597 <br />USTMAN INDUSTRIES INC. is a certified Statistical-InveuCor .,o.= <br />y �te�ancilia�.��,,. <br />(SIR) release detection vendor. Tank status results for monthly monitoring <br />are based on parameters specified by the EPA protocol for SIR Methods. - <br />PART B: Comments and Recommendations <br />P This system showed a consistent gaining trend for the period, and <br />thus it is Inconclusive. This trend may be due to 1)' a meter <br />calibration problem, 2) the tank may be taking on water. <br />S Same comment as tank <br />UL Same comment as tank "P". Note that the gaining trends for the'; <br />tanks at this station may be due in part to'deliveries recorded in <br />net gallons. All deliveries must be recorded in gross gallons for <br />conclusive -analysis. <br />