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SAMPLIN(*,,AO 'OCOL FOR ROUTINE TANK RE?,,./ALS <br /> 'I Ile following represents minhoual sampling criterion required for closure compliance. SoiTsamples collected shall be <br /> representative of native soils beneath the lank's invert(tank's.bot(om) at a collection depth not to exceed 2 - 4 feet. If <br /> contamination is documented during closure, an Unauthorized Release Notification must be completed and submitted <br /> within Ove (5) working days pursuant to California Health & Safely Cale, Section 25295. <br /> WA'I'ETt NUT 1111rSENT IN THE TANK PIT <br /> TANK TANK SIZE MINIM7SSAMPI, <br /> NUMBER LOCATION OF SOIL SAMPLES <br /> # (Onllons) of SOIrS <br /> < I'm o I per Tank Fill OR Pump End of Tank <br /> [,(X)U - 10,000 2 pet Tank I at each End of Tank <br /> > 1Bm) 3 or More Ends and Middle OR generally <br /> Per Tank spaced along the length of the Tank <br /> PIPING AND STOCKPILE <br /> PIPING SOIL SAMPLES I Sannnple every 20 lineal feel <br /> TANK & PIPINO S'T'OCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> WATrit IS 1'ItlsSENT IN TANK I'I'I' <br /> TANK TANK SIZE MINIMUM NUMBER LOCA'T'ION of SOIL MINIMUM NUMBER of j <br /> y (Onllons) or SOIL SAMPLES SAMPLES WATER SAMPLES <br /> I0AX) Ftoa wall next to lank <br /> Single Tank 2 ends at soil/groundwater I <br /> Interface <br /> > 10,W) OR From wail next to tank <br /> Park Cluster 4 ends at soil/ I j <br /> groundwater Interface <br /> I <br /> SLAG PRESENT IN TIM TANK PIT <br /> Soil sangdes shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required In <br /> order to collect Ore samples. (Physical removal of the obstruction wilt allow sampling according to (lie above conditions.) <br /> TANK 'LANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES. <br /> p (Unllnns) of SOIL SAMPLES <br /> < [,(X)U 3 per Tank Center and Ends OR Sides of Tank <br /> 1,(NN) - 10,11011 5 per Tank Center and Ends OR Sides of Tank <br /> > 10,00(1 5 OR More per Tank Ends and Middle and generally spaced along <br /> the length or the Tank <br /> Pit 23 047 (Revised 7/10/92) Page 7 <br />