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SAMPLIV" PROTOCOL FOR ROUI7NE TANK it," IOVALS <br /> the following represents minimum sampling criterion relulred for closure compliance. Soil samples collected shall be <br /> representative of native soils beneath the lank's Invert (tank's bottom) at a collection depth not 10 exceed 2 - 4 feel. It <br /> contamination Is documented during closure, an Unauthorized Release Notification must be completed and submitted <br /> within five (5) working days pursuant to California I lealth & Safety Code, Sc tion 25295. <br /> WA'1'FR Her PRESEN"1' IN TIIE TANK 1'TP <br /> TANK TANK SIZE MINIMUM NUMBERLOCATION OP SOIL SAMPLES <br /> M (Gallons) of SOIL SAMPLES <br /> 1 per Tank PIII Olt Pump End of Tank <br /> t o I'm) - 10,000 2 per Tank 1 a1 each End of Tank <br /> > 10,(X)0 7 or More Ends and Middle Olt generally <br /> per Tank spaced along the length of the Tank <br /> PIPING AND STOCKPILE <br /> PIPINO SOIL SAMPLES 1 Sample every 20 lineal feel <br /> [A <br /> TANK & PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> WATER IS PRESENT IN TANK PTP <br /> TANK 'TANK SIZE MINIMUM NUMBER LOCATION of SOIL MINIMUM NUMBER of <br /> M (Oallons) of SOIL SAMPLES SAMPLES WATER SAMPLES <br /> < 10,((X) Prom wall next to lank <br /> Single Tank 2 ends at soil/groundwater 1 <br /> Inlerface <br /> > 10,(1X) OR From wall next to tank <br /> 'Tank Cluster A ends a1 soil/ 1 <br /> groundwater Interface <br /> SIAB PRESIENT IN THE TANK PTT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required In <br /> order to collect The samples. (Physical removal of the obstruction will allow sampling according to the above conditions.) <br /> TANK I 'TANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /> b (Gallons) of SOIL SAMPLES <br /> < I,IXX) 3 per Tank Center and Ends Olt Sides of Tank <br /> I <br /> I,tXX) - lo,(XXI 5 per Tank Center and Ends OR Sides of'1'ank <br /> > 10,0(X) 5 Olt More per 'Tank Ends and Middle and generally spaced along <br /> the length of the 'Tank <br /> Ell 23 047 (Revised 7/10/92) Page 7 <br />