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SAN .102%.Quir4 LOCAL, HEALTH D2STRICT <br /> SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br /> The following represents minimum sampling criterion required for closure co <br /> samples collected shall be representative of native soils beneath the tank'�pliance. Soil <br /> Invert [tank's bottom] at a collection depth not be exceed 2 - 4 feet. 1f contamination <br /> is documented during closure, an -Unauthorized Release notification must be filled out and. <br /> submitted to SJLND within 5 days. Section 2652, CCR. <br /> WATER NOT PRESENT IN THE TAMC PIT <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Less than 1000 gallons ONE per tank' Fill or pump end of tank <br /> 1000 -- 10,000 gallons Two per tank One at each end of tank <br /> 10,001 gallons and up THREE OR MORE Ends and Middle or <br /> Per tank enerall spaced along <br /> the length of the tank <br /> Piping ONE EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> TAMC SIZE MINIMUM NO. OF <br /> SOIL SAMPLES LOCATION OF SOIL MINIMUM NUMBER <br /> OR'Loeoss <br /> --�� SAMPLES _ _ OF WATER SAMPLES <br /> OGALLONS From wall-next to <br /> (Single Tank) Tyb tank ends at soil/ <br /> grounlwater ONE <br /> interface <br /> 10,000iTHAN <br /> S From wall next to O <br /> QR tank ends at soil/ <br /> TAMC CLUSTER FOUR interfaceer <br /> 4THFr1q SPECIAL CONDITIONS �� r <br /> SLAB PRESENT IN TANK PIT / <br /> Soil samples shall be obtained beneath the slab within native soils. <br /> the obstruction will be required In order to collect the samples (Physicalration removal ofuthe <br /> obstruction will then allow sampling according to the above conditions. ] <br /> TANK SIZE _._ MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> _ SOIL SAMPLES <br /> Less than 1000 gallons <br /> THREE per tank Center and ends or sides <br /> 1000 - 10,000 gallons FIVE per tank Center and ends or sides <br /> 10,001 gallons and up FIVE OR MORE <br /> tank Per Ends and Middle and <br /> enerall spaced along <br /> he leng h of the tank <br /> EH 23 047 12/88 �~ <br /> REVISED 1/89 <br />