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05/06/2002 09:52 4640138 ENVIRONMENTAL HEALTH PAGE 04 <br /> SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVALJREPLACEMENT <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br /> representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 feet. If <br /> contamination is documented during closure, an Unauthorized Release Notification must be completed and submitted within <br /> five(5)working days pursuant to California Health&Safety Code,Section 25295. <br /> DISPENSER SAMPLES <br /> AT LEAST ONE SAMPLE BELOW EACH.DISPENSER <br /> PIPING AND STOCKPILE <br /> PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> DISPENSER&PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> 4 <br />