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SAN .7OAQLJ11-4 LOCAL HEALTH DSSTRSCT <br /> SA"FLING 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 SJLRD within 5 days. Section 2652, CCR. <br /> WATER NOT PRESENT IN THE TANK PIT <br /> ---------------.....--- ........_.._..........__...._..........__........ -._..... - -- -— — --- <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 o an <br /> 10, ga ons and up THREE OR MORE Ends and Middle or <br /> per tank generally spaced along <br /> tank <br /> Piping :=ONEEVERY 20 LINEAL FEET <br /> IN TANK PIT <br /> ----— ---- ..._......_.............._........._......._._..................-..._......-.......... <br /> .-..__.........._.._..-..._.. -- -- - --- <br /> T MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER <br /> 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 /> GREATER THAN From wall next to ONE <br /> 10,000 GALLONS tank ends at soil/ <br /> OR groundwater <br /> STER F ce <br /> (3 IL4 Oki -a;; � /�VirJ /YF3T/vG Saiz iC.�lc�N �AaMc <br /> OT 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 /> ... ...__..._....... -- - --—-- <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 /> tankgenerally spaced along <br /> the length of the tank <br /> EH 23 047 12/88 <br /> REVISED 1/89 <br />