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SAN .7OAQ1LJIN LOCAL HFzar.TH 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 /> isvdocumentedsdaringmclosure, aneUnauthorizednReleasexnotdificationemust beffilledmouttand <br /> submitted to SJLRD within 5 days. Section 2652, CCR. <br /> WATER NOTPRESENTIN THE TANK PIT <br /> TANK SIZE MINIMUM NUMBER OF f 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 tankgenerall 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 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 I 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 /> obstruction willwthenballowusampling accordinto g to toethethe <br /> abovemconditionssjcal 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 enerally spaced along <br /> ---._._-----------_--_-- —u -- the length of the tank <br /> EH 23 097 12/88 __— -— --_ <br /> REVISED 1/89 <br />