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y ' <br /> CAC Title 23 <br /> Chapter 3 Subchapter 16 <br /> MONITORING ALTERNATIVE #8 <br /> Maximum allowable inventory reconciliation variations : <br /> Daily variation; 100 gallons <br /> Weekly variation: 5% of throughput but no more than 350 gallons <br /> Monthly variation: 0.5% of throughput but less than 100 gallons <br /> Inventory reconciliation must be performed on a daily basis as described in <br /> Section 2644. The weekly and monthly variation amounts are the sum of daily <br /> variation amounts for the appropriate time period (week or month) multiplied <br /> by the respective percentage indicated above. <br /> Example: Daily variation Daily throughput <br /> Mon. +50 gal . 900 gal . <br /> Tues. -10 gal . 1200 gal . <br /> Wed. +90 gal . 1100 gal . <br /> Thurs. +25 gal . 600 gal . <br /> Fri . -75 gal . 1050 gal . <br /> Weekly variation = +80 gal . 4850 gal . = Weekly throughput <br /> The weekly throughput of 4850 gallons x .05 = 242 ,5 gallons <br /> Comparison of the allowable variation based on 5% of throughput <br /> and the sum of daily variations on inventory reconciliation shows <br /> the variation is within allowable limits. <br /> The weekly and monthly variations must be calculated in addition to the <br /> daily inventory reconciliation. If any of the maximum variations are exceeded <br /> the evaluation procedures described in Sect. 2644 (f) must be implemented. <br />