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SAMPLING FROTOCOL FOR ROUTINE TANK REMOVALS y <br /> The following represents minimum sampling criterion required for closure compliance, Soil samples collemd Shall be mmsentadve <br /> m native soils beNiwh the tank's Liven(tank's bottom)at a collection depth not to exceed 2-4 fa.t. If contamination is documented <br /> during closure;en Linauthorizcd Rel=c Notification must be completed and submitted within five(j)working days pursuant to <br /> California HealtG&.Safety Code,Section 25295. <br /> WATER NOT PRESENT IN THE TANK PIT <br /> I <br /> TANK. I TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> " I (Galions) of SOIL SAMPLES <br /> <1,000 1 per Tank Fill OR Pump End of Tank <br /> l 1,000-10,000 Z per Tank 1 at each End of Tank <br /> >10.000 3 or More Ends and Middle OR generally } <br /> pu Tank spaced along the leng1l,ofthe Tank <br /> a_ PIPING AND STOCKPILE <br /> �$ I PIPING SOBS'SAMPLES 1 Sample every 20 lineal feet <br /> TANK&PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK ! TAnik SIZE MINIMUM NUMBER LOCATION of SOIL MINIMUM NUNIBER <br /> i (Callous) of SOIL SAMPLES SAMPLES of Vv.ATER SAMPLES <br /> i <br /> < i0,000 2 from wall next to ttak <br /> Sirgle k 3 eads at Irlsoe i Ibelo tank <br /> interface&1 below tank <br /> 4 from wall next to tank <br /> >10,000 OR ends at soil/groundwata <br /> I j Tank Custer 5 or more interfact&1 below each I <br /> j l <br /> tank <br /> SLAB PRESENT IN THE TANK PIT <br /> Soil samiles shad be obtained beneath the slab within native soils. Penetration through the obstruction will be requix-ed h,order to <br /> collect the samples. (Physical removal of the obstruction will allow sampling according to the above conditions.) <br /> TANK TANK SIZE 'MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /> 0 (Calion3) of SOIL SAMPLES <br /> l <br /> fh-®C1.00�0� 3 per Yank Center and Ends OR Sides of Tank <br /> �.�._. 5.000-]0,000 j per Tank Center and Ends OR S Ides of T ank j <br /> >10.000 5 OR More per Tank Ends and Middle and generally spaced - <br /> along the length of the Tani: <br /> EH 23 046(Revlsedl0/I6(03) Page 7 <br />