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SAN .70AQLJTN I.�OCAL, HEALTF3 DSSTRSCT <br /> SAPLING PROTCCAL 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 /> -- — <br /> ................__...__.......-..........................................................................-._......._....... <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 of tank <br /> 1 ,0 1 gallons- and up THREE OR MORE Ends and Middle or <br /> r tank enerally s paced along <br /> he length f the tank <br /> Piping ONE EVERY 20 LINEAL FEET <br /> WATER IS 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 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 FOURinterface <br /> OTI3ER SPECS AT , GOND S T= ONS <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through G <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. ] U <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 /> r. <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 a, <br />