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MAR. 16. 2005 3:43>>M o D 3LOc Svcs Na. 0495 P. 2`�- <br /> SAIMPLING PROTOCOL FOR ROUTINE TANK REMOVALS <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be representative <br /> Of native soils beneath the tank's invePl(tank's bottom)at a collection depth not to exceed 2-4 feet. If contamination is doclimented <br /> during closure,an Unauthorized Release Notification must be completed and submitted within five(5)working days pursuant to <br /> California Health&Safety Code,Sectioa 25295- <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK &;;[of <br /> MINIMUM I NUMBER 'LOCATION OF SOIL SAMPLES <br /> #*) SOIL SAMPLES <br /> 1,000 <br /> 10,000 ? per Tank 1 at each End of Tank Mafe <br /> per Tank spaced along the length of the Tank <br /> PIPING AND STOCKPILE <br /> PIPING SOIL SAMPLES I Sample.evefy 20 lineal feet <br /> TANK&PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZE MENIMIIM NUMBI✓R LOCATION of SOIL MNIMUM NUMBER <br /> (Gallons) of SOIL SAMPLES SAMPLES of NATER SAMPLES <br /> TF< 000 10, 2 from wall next to tank <br /> ngly Tank 3 ends at soil/groundwater <br /> interface& i below tank <br /> In nnn t1n <br /> Gn <br /> . s_ <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 above conditions.) <br /> TANK TANK SIZE MINIMUMNUMBER LOCATION of SOIL SAMPLES <br /> (Gallons) of SOIL SAMPLES <br /> N1A 1 I AAs— Taak <br /> 1] <br /> 65o00 10,000 5 per Tank Center and Ends OR Sides of Tank <br /> LMAX T."k.— <br /> EH 23 046(Revise dl0116/03) Page 7 <br />