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SAN JOAQLJI N LOCAL HEALTH D I S TR I 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 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 tankgenerally spaced along <br /> ?'he length of the tank <br /> Piping ONE EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> TANK SIZE 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) TWOgroundwater ONE <br /> interface <br /> GREATER THAN From wall next to ONE <br /> 101000 GALLONS tank ends at soil/ <br /> ORgroundwater <br /> TANK CLUSTER FOUR interface <br /> OTHER S PEC I AL COND I T I ON S <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through <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 /> - --- --- ------ - - - --- - --- ...._.._._._........ - - --... ...__... <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 /> tankgenerall spaced along <br /> ?he length of the tank <br /> EH 23 047 12/88 " <br /> REVISED 1/89 RECEN <br /> AUG 16 1990 <br /> ENVPERHEALTH <br /> MIT/SERVâ–șCES <br />