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0 i <br /> S��T .JC�A.QLTTN LD�� HE�T.TH DI .�TR2CT <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 solls 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 /> ,001 gallons and up THREE OR MORE Ends and Middle or <br /> per tankgeneral] spaced along <br /> the leng h of the tank <br /> Ping 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 /> GREATHAN From wall next to ONE <br /> 10,000 GALLONS tank ends at soil/ <br /> OR groundwater <br /> TANK CLUSTER FOUR interface <br /> aq?HE;R S PE+C I.AL. Gar4n I T I CaN 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 /> TANK SIZE MINIMUM NUM13DR 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 /> tankggenerallyy spaced along <br /> _the length of the tank <br /> EH 23 097 1.2/88 <br /> REVISED 1/89 <br />