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SAN .J OAou I N L QC,A-- i IE AT rFH n I S'T'IR 2 CT <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br />The following represents minimum sampling criterion required for closure compliance. Soil <br />samples collected shall be representative of native soils beneath the tank's <br />invert [tank's bottom] at a collection depth not be exceed 2 - 4 feet. if contamination <br />is documented <br />t <br />umenedSduring cl osure�aan Unauthorized Release notification must be filled out and <br />subm <br />SJLHD <br />ys. Section 2652, CCR. <br />WATER NOT PRESENT IN THE TANK P I T <br />-. TANK-SIZE _ T MINI MUM NUMBER OF LOCATION OF SOIL SAMPLES <br />SOIL SAMPLES <br />Less than 1000 gallons ONE per tankFi11 or _pump,end of tan <br />1000 - 10,000 gallons s TWO per tank One at each end of to �, % Z. <br />-3 <br />10,001 gallons and up THREE OR MORE Ends and Middle or <br />per tankenerall spaced along <br />- - —_T g_th of the tank /t <br />P i p i ngT �ONE EVERY 20 LINEAL FEET -� <br />TANK SIZE W MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER <br />SOIL SAMPLES SAMPLES OF WATER SAMPLES <br />10,000 GALLONS _ — From wall next to <br />,OR LESS tank ends at soil/ <br />(Single Tank) TWO groundwater ONE <br />interface <br />GREATER THAN From wall next to ONE <br />10,000 GALLONS tank endsat soil/ <br />OR groundwater <br />TANK CLUSTER FOUR interface <br />OTHER. SF'ECI AT C[3Nn:E rr I ONS <br />SLAB PRESENT IN TANK PIT <br />Soil samples shall be obtained beneath the slab within native soils. Penetration throw h <br />the obstruction will be required in order to collect the samples. (Physical removal of the <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 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 per Ends and Middle and <br />tank ?heelengthsofctheatank <br />EH 23 047 12/88 <br />REVISED 1/89 <br />