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SAN JOAQUI N L OCAL HEALTH D= STRICT <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 - 9 feet. If contamination <br /> is documented during closure an Unauthorized Release notification must be filled out and <br /> submitted to SJLHD within 5 days. Section 2652, CCR. <br /> - WATER NOT PRESENT IN THE TANK 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 generally spaced along <br /> the length of the tank <br /> Piping — - ONE <br /> EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> TANK SIZE MINIMUM N0. 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 /> GAS THAN From wall next to ONE <br /> 10,000 GALLONS tank ends at soil/ <br /> OR groundwater <br /> TANK CLUSTER _-- -FOUR interface <br /> OTHER S PEC I AL COND I T S ONS <br /> SLAB PRESENT IN TANK PITSoigg <br /> thelobstrructioples nawillebebrequired inaorderetulcollectlthe semplesll[phyPenetratiremoval thofuthe <br /> obstruction will then allow sampling according to the above conditions. ! <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> [( 0 <br /> SOIL SAMPLESss than 1000 gallons THREE per tank Center and ends or sides <br /> - 10,000 gallons FIVE per tank Center and ends or sides <br /> 001 gallons and up FIVE OR MORE per Ends and Middle and <br /> tank generally spaced along <br /> the length of the tank <br /> EH 23 097 12/88 ------ -----------------_.—...___..----- <br /> REVISED 1/89 <br />