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SAN OOAQUI N LOCAIa HEp,�LTH D I S TR I CT SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS The following resents sbe representative of native soion gilsred beneathctheutankoepliance. Sail samples collectedd ion invert [tank'sdbottom] at aeCollectian o depizednot be exnotaficationemost betfilledmout tand submitted to SJLHA within 5 days. Section 2652, CCR. WATER NOT PRESENT IN THE TANK PIT__-_— .------ TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES SOILSAMPLES_ _.__---.__.._.__.__...�..._...._.-._._._..........-:_:: ::. .Less than-1000 gallons M ~ONE pern tanfs_ — ill ar-Qump end-Of tank 1000 - 10,000 gallons TWO per tank One at each enol of tank 10,001 gallons and up THREER MORE Ends and Middle or ?he spaced along the leng h of the tank Piping ONE EVERY 20 LINEAL FEET' WATER IS PRESENT IN TANK PIT ION OF NIMIJM NUMBER TANK SIZE MINIMUM NO. OF �ASAMpLES SOIL OFIWATER SAMPLES SOIL SAMPLES_ __ _._PLEB 10,000 GALLONS- - From wall next to OR LESS tank ends at soil/ ONE (Single Tank) TWOgroundwater interface GREATER THAN From wall next to ONE 10,000 GALLONS tank ends-at soil/ OR groundwater TANK CLUSTER FOUR interface OTHER SPECIAL C014D I TION S SLAB PRESENT IN TANK PIT Soil samples shall be obtained beneath the slab within native soils. Penetration throe h the obstruction will be required in order to collect the samve ples ionsrjcal removal of rhe obstruction will then allow sampling according t - TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES SOIL SAMPLES Less than 1000 gallons THREE per tank Center and ends or sides 1000 - 10,000 gallons FIVE per tank Center and ends or sides 10,001 gallons and up FIVE OR MORE per Ends and Middle and tankenerally spaced along ?he length of the tank EH 23 047 12/88 REVISED 1/89