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SAhIPI.INC PROTOCOL FOR ROUTINE 'TANK 'MOVALS <br /> The following represents minimum sampling <br /> criterion <br /> representative of native soils beneath the tank's invert (tank's b ttom)c�at ra collectioncomce.dep h notSoil topexce �ed 2 2collect- shall be <br /> contamination is documented during closure, an Unauthorized Release Notification must be completed and submitted within <br /> 5 working days. California Health & Safety Code, Section 25295. 4 feet. If <br /> WATER ER NOT PRESENT 1N THE, TANK 1111' <br /> TANK TANK SIZE MINIMUM NUMBER <br /> # (Gallons) of SOIL SAMPLES LOCATION OF SOIL SAMPLES <br /> < 1,000 I per Tank <br /> j ,� Fill OR Pump End of Tank <br /> 1,000 - 10,000 2 per Tank <br /> I at each End of Tank <br /> > I0,000 3 or More <br /> Ends and Middle OR generally <br /> per Tank spaced along the length of the Tank <br /> PIPING SOIL SAMPLES <br /> 1 Sample every 20 lineal Feet <br /> 1/ TANK & PIPING STOCKPILE SAMPLES <br /> 2 Samples every SU cubic yards <br /> WA'1'Is'R IS PRESENT IN TANK 111'1' <br /> TANK TANK SIZE MINIMUM NUMBER <br /> LOCATION of SOIL MINIMUM NUMBER of <br /> # (Gallons) of SOIL SAMPLES <br /> SAMPLES WATER SAMPLES <br /> < 10,000 <br /> Single Tank From wall next to tank <br /> 2 ends at soil/groundwater <br /> 1 <br /> interface <br /> > 10,000 OR <br /> Tank Cluster From wall next to tank <br /> 4 ends at soil/ <br /> groundwater interface I <br /> C� TANK & PIPING STOCKPILE SAMPLES <br /> 2 Samples every SU cubic yards <br /> SLAB PRESENT IN THE TANK PIT <br /> Soil samples shall he obtained beneath the slab within native soils. Penetration through the obstruction will be required in order <br /> h) collect the samples. (Physic <br /> al removal of the obstruction will allow sampling according to the above conditions.) <br /> TANK TANK SIZE MINIMUM NUMBER <br /> # (Gallons) of SOIL SAMPLES LOCATION of SOIL SAMPLES <br /> < 1'000 3 per Tank <br /> Center and Ends OR Sides of Tank <br /> I,000 - 10,0011 5 per Tank <br /> Center and Ends OR Sides of Tank <br /> > I0,000 5 OR Moreer Tank <br /> P Ends and Middle and generally spaced along <br /> the length of the Tank <br /> I.I 123 047 (REV 4/13/91) Page 7 <br />