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SAN .70AQU I N LOCAL HEALTH D I S TR I CT <br /> SAMPLING PRO'TOCAL 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 /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Les 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 <br /> yyMiddle or along <br /> per tank ?he elengthsofe <br /> cthatank <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 gtank ends at soil/ ONE <br /> (Single Tank) TWO iroundwceer <br /> GREATER THAN From wall next to ONE <br /> 10,000 GALLONSI tank ends at soil/ <br /> OR Igroundwater <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 obstruucctiontwillwthenalrequired <br /> ow sampling according toect thethe abovemconditions.1ca1 removal of �he <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> t 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 nOR MORE per spa <br /> gEnds erallMiddledaa�lonq <br /> the leng h of the tank <br /> EH 23 047 12/88 <br /> REVISED 1/89 <br />