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SAN J OAQUI N L OCAL HEALTH D I S TR S CT <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 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 SAbELES <br /> Less than 1000 gallons ONE per tank Fill or pump end of tank <br /> 1 - M-00 gallons TWO per an ne 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 len th of the tank <br /> Piping ONE EVERY 20 LINEAL F <br /> PRESENT IN TANK PIT <br /> --- - - - - -......--------- --- — ----- <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 Lank ends at soil/ <br /> (Single Tank) TWO groundwater ONE <br /> interface <br /> 1 GREATER THAN From wall next to ONE <br /> 10,000 GALLONS tank ends at soil/ <br /> OR groundwater <br /> TANK CLUSTER FOUR interface <br /> -- I ----- ----- ... — ------------ -- — - — <br /> F441. O/YE a '— Y' /NT7J /HrivG �Sv�� BciYGBTH Ti9�/�C5> <br /> OTHEEZ SPECIAL CONDITIONS <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 /> tank generally spaced along <br /> the length of the tank <br /> EH 23 047 12/88 <br /> REVISED 1/89 <br />