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i <br /> i <br /> SAN J0AC2UIN LOCP,I� HEALTH DISTRICT <br /> SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br /> The following re resents minimum sampling criterion required fox 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 /> submottednto SduringJLHD closurethin 5 <br /> Un9ectoonze Relea a notification must be filled out and <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK SIZE MINIMMUIMM SN�EOF LOCATION OF 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 generally spaced along <br /> the length of the tank <br /> Piping ONE EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT f <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/ ONE <br /> (Single Tank) TWOgroundwater <br /> interface <br /> GREATER "IAN From wall next to ONE <br /> 10,000 GALLONS tank ends at soil/ <br /> OR roundwater <br /> TANK CLUSTER FOUR interface <br /> OTHER S PEC I AL CONDITION S <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through <br /> the otbstructlontwillwthenballow sampling order <br /> ccording toect thetabovemccondlt(onss. 1 Physical 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 FIVE OR MORE per Ends and Middle and <br /> tank generallyy spaced along <br /> the lengEh of the tank <br /> EH 23 <br /> 4 /68 <br /> REVISED 1/89 <br />