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SAN JOAQuiw LOCAL, HEALTH DISTRICT <br /> SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br /> The following represents minimum samplinq 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 closurean Unauthorized Release notification must be filled out and <br /> Lys.submitted to SJLHD within 5 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 tank enerall spaced along <br /> the length of the tank <br /> Piping ONE EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> TANK SIZE �MINIMUM NO. OF w 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) TWO groundwater ONE <br /> interface <br /> �-ATER THAN From wall next to ONE <br /> 10,00O0RGALLONS tank ends at soil/ <br /> groundwater <br /> TANK CLUSTER FOUR interface <br /> OTHER S PEC I AL CONDITIONS <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through <br /> obstructiontwillwthenballowusamplingoaccordingotoethetabovemcconditionss.jcal removal of the <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 FIVEORMORE per Ends and Middle and <br /> ?he <br /> spaced along <br /> the length of the tank <br /> EH 23 047 12/88 <br /> REVISED 1/89 <br />