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SAAas.WG PROTOCOL FOR ROUTINE TANK R'MOVALS <br />The following represents minimum sampling criterion required for closure compliance, Soil samples collected shall be <br />representative of native soils beneath the tank's invert (tank's bottom) 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 submit[ed within live (5) <br />working days pursuant To California Health & Safety Code, Section 25295. <br />WATER NOT PRESENT IN THE TANK PPT <br />TANK <br />p <br />TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAMPLES <br />LOCATION OF SOIL SAMPLES <br />PIPING SOLL SAMPLES <br />I <br />< 1,000 <br />1 per Tank <br />Fill OR Pump End of Tank <br />T" 8 <br />1,000 - 10,000 <br />2 = Tack <br />1 az each End of Tank <br />Center and Ends OR Sides of Tank <br />> 10,000 <br />3 or More <br />per Tank <br />Ends and Middle OR generally <br />spaced along the length of the Tank <br />PiP1Nr: Awrn c nrlMn s <br />-749 <br />TANK SIZE <br />MINIMUM NUMBER <br />PIPING SOLL SAMPLES <br />I <br />1 Sample every 20 lineal feet <br />7 4 0 <br />TANK & PIPING STOCKPILE SAMPLES <br />2 Samples every 50 cubic yards <br />WATER IS PRRRF.NT TNT TANK PrT <br />TANK <br />TANK SIZE <br />MINIMUM NUMBER <br />LOCATION of SOIL SAMPLES <br />LOCATION of SOIL <br />MINIMUM NUMBER <br />✓f <br />(Gallons) <br />of SOIL SAMPLES <br />SAMPLES <br />of WATER SAMPLES <br />Center and Ends OR Sides of Tank <br />< 10,000 <br />> 10,000 <br />2 from wall next to tank <br />Ends and Middle and generally spaced <br />along the length of the Tank <br />Single Tank <br />3 <br />ends at soil/groundwater <br />I <br />interface & 1 below tank <br />> 10,000 OR <br />4 from wall next to tank <br />ends at soil/groundwater <br />Tank Cluster <br />5 or more <br />interface & 1 below each <br />1 <br />tank <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 <br /># <br />TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAMPLES <br />LOCATION of SOIL SAMPLES <br />< 1,000 <br />3 ver Tank <br />Center and Eads OR Sides of Tank <br />1,000 - 10,000 <br />5 per Tank <br />Center and Ends OR Sides of Tank <br />L <br />> 10,000 <br />5 OR More per Tank <br />I <br />Ends and Middle and generally spaced <br />along the length of the Tank <br />EE 23 046 (Revised 08/13199) Page 7 <br />