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SZLN .70AQLJIN L0(:7 . HE2%I11TH D3 STRI CT <br /> SAMPLING PROTOC,AL 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 daring 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-.................._....__...___...___...__...-......._ <br /> OF SOIL SAMPLES <br /> SOI,•:-_•__._-__--:-� per tank <br /> L SAMPLES <br /> 0� � <br /> Less than 1000 gallons ONE Fill or pump end of tank <br /> 4P�i 1000 - 10,000 gallons TWO per tank One at each end of tank <br /> �0 <br /> rj 10,001 gallons and up THREE OR MORE Ends and Middle or <br /> per tank enerally spaced along <br /> ?he length of the tank <br /> ]ping ONE ,EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> .............__.._-..._..._.-...._...........I..........._...._..- ......_..-......... <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 toOR LESS tank ends at soil/ <br /> (Single Tank) TWO groundwater ONE <br /> interface <br /> GREATER THAN From wall next to ONE <br /> 10,000 GALLONS tank ends at soil/ <br /> OR groundwater <br /> TANK CLUSTER FOUR interface <br /> C]THMEZ SPECIAL CC]NnI'rIC]NS <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 /> 1.000 -- 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 enerall spaced along <br /> ?he length of the tank <br /> EH 23 047 12/88 <br /> REVISED 1/89 <br />