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�.: <br /> r) <br /> SAMPLING PROTOCOL FOR ROUTINE TAIN-K REMUVALS <br /> F1Tne tom <br /> following represents minimusampling criterion rewired for closure compliance. Soil samples collected shall be <br /> representative of native soils beneath the tank's invert {tank's bottom) at a collection depth not to exceed 2 -4 mifeet. If <br /> contamination is doctuneuted during closure, an Unauthorized Release Notification must be completed and submitted within five (5) <br /> F working days pursuant to Califoraia Health & Safety Code, Section 25295. <br /> i <br /> WATER NOT PRESENT IN THE TAINY, PIT <br /> TANK TP NK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> n (Gallons) of SOIL SAMPLES <br /> < <br /> 1,000 l per Tank Fill OR Pump End of Tank <br /> 1,000 - :0.000 2 er Tank 1 at each End of Tank <br /> i <br /> > 10,000 i or More. Ends and Middle OR g <br /> Tank enerally <br /> per Tk spaced alone, the length of the Tank <br /> / PIPING kIND STOCKPILE <br /> I PIPING S7jr,Ar�iPLES 1 Samvle every�2091ineal feet <br /> TAS iK & PIPING STOCKPILE SAMPLES <br /> � 2 Samples every 50 cubic yards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION of SOIL. MINiMIJIvI NUMBER of <br /> r I�(Gallons) of SOIL SAMPLES SAMPLES WATER SAMPLES <br /> r � < 10,000 <br /> From wall next to tank <br /> f I Single Tank 2 ends at soil/ groundwater 1 <br /> interface <br /> I > l0.000 OR <br /> From wall neat to tank <br /> ends at soil/ <br /> Tank Cluster l I <br /> r" � groundwater interface <br /> SLAB PRESENT IN THE TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required in order to <br /> collect the samples. (Physical removal of the obstruction will allow sampling according to the a'oove conditions.) <br /> F F�1- <br /> > <br /> ANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /> allons} of SOIL. SAIMPLES <br /> 1,000 3 per Tank Center and Ends OR Sides of Tank <br /> 1,000 10.000 5 oer Tank Center and Ends OR Sides of Tank <br /> Fi0,pp0 5 OR More per Tank Ends and Middle and generally spaced along <br /> } the length of the Tank <br /> i <br /> EH ..3 046 (Revised 10!19/98) Page ? <br /> F <br />