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11/10/2005 - 13:11 4640136 • ENVIRONMENTAL HFAH PAGE 05 <br /> SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVALIREPLACEMENT <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 /> rive (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 />