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SAN JOAQUIN LOC'AT-' I-IEALTH DISTRICT <br /> SAMPLING PROTO(-AL FOR ROUTINE TANK REMOVALS <br /> The following re resents 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 - 9 feet. If contamination <br /> is documenmitted tedSdurinvithinuredaan Un Sectionzed <br /> Release notification must be filled out and <br /> JLHD <br /> -- CCR- <br /> WATER NOT PRESENT IN THE TANK PIT _-- --.---.--.-- <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Fill...o :::.-. of tank <br /> Less than 1000 gallons ONE per tank pump <br /> end <br /> TWO i tank One at each end of tank <br /> Pe <br /> 1000 - 10,000 gallons <br /> 10,001 gallons and up THREE ,� MORE Ends and Middle or <br /> theeleng�hspaced atank <br /> oPiping ONE EVERY 20 LINEAL FEET <br /> — WATER IS PRESENT IN TANK PIT <br /> -----._--.----- <br /> [TANK SIZE MINIMUM N0. OF LOCAS SOIL OFIWATER SAMPLES <br /> SOIL SAMPLES -- - _ ----- — <br /> 0 GALAM <br /> LONS - From wall. next to <br /> SS tank ends at soil/ ONE <br /> le Tank) TWO groundwaterinterface <br /> From wall next toONE <br /> � THAN GALLONS tank ends at soil/ <br /> OR groundwater <br /> CLUSTER FOUR interface -- ----,- <br /> OTHER S PEC I AL CONDITIONS <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples shall he obtained beneath the slab within native soils. Penetration through <br /> the obstruction <br /> action will be required <br /> ingorder t cding colto lect <br /> he he samples.ve (physical removal of the <br /> obs <br /> ion <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Less than 1000 gallons THI EE 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 /> REH 23 4 /88 <br /> REVISED 1/89 <br />