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SAIMPLING PROTOCOL FOR ROUTINE TANK REMOVALS <br /> The foilowing represents minimum samuiing criterion required for closure compiiance. Soii saspies collected snail ',e <br /> an <br /> representative of native soils beneath the tk's rover:(tank's bottom) at a collection depth nor co exceed 2 -a fee;. <br /> contam:naIion ;s documented durns closure. an ''nauttonzed Rei-2Se Matt:ic:I:on 1--Usi`.e Cor-_ieled and submi::'^. <br /> (5) worl":ne days oursuant t0 California HeziEh & Saiev Code. 5ec::on <br /> WATER NOT PRESENT IN THE T.-,jjNK PIT <br /> ( TANK TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> = I (Gallons) of SOIL SAMPLES <br /> < 1,000 1 per Tank + FiH OR Pump End of Tanis <br /> 1.000 - 10,000 = per Tanis I 1 at each End of Tank <br /> > 10.000 or More Ends and Middle OR ;eneraily <br /> per Tank I spaced along the length of the Tank <br /> PIPLVG AND STOC'121LE <br /> PIPING SOIL SAMPLES I 1 Sample -ever; e0 lineal fee. <br /> i <br /> i[Eill"I TANK & ?IPING STOCKPILE SAI'APLES ( , Sampies even :0 cubic yards <br /> WATER IS PRESENT Pi i T,i.NK PIT <br /> TANK TANK SIZE vIL'1LtiiLtii NL IBER LOCATION of SOIL MINIMUM NLtifBER of. <br /> 7 (Gallons) ! of SOIL SAMPLES I SAIMPLES WATER SAMPL FS <br /> < 10,000 From wail next to tank I i <br /> Singie Tank _ ends at soil/ zroundware- ` 1 <br /> interlace <br /> � > 10.000 OR From -wail next to tank <br /> Tank Cluster - ends at soil/ <br /> groundwater interface <br /> SLAB PRESENT IN THE T.1,NK PIT <br /> Soil samples shall be obtained beneath the slab ;within native soils. Penetration through the obstruction will be required �-n order <br /> to collect the samples. (Physical removal of:he obstruction will allow sampling according to the above conditions.) <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /> (Gallons) of SOIL SAMPLES <br /> < 1.000 3 per Tank Center and Ends OR Sides of Tank <br /> 1.000 - 10,000 S per Tank ` Center and Ends OR Sides of Tank <br /> ILII > 10.000 5 OR More per Tank Ends and Middle and generally spaced along <br /> the length of the Tank <br /> EH 23 046 (Revised 9/11/96) Page 7 <br />