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SAMP' J PROTOCOL FOR ROUTINE TANK REM SLS <br /> The fo.lowmg represents minimum sampling criterion required for closure compliance Soil samples collected shall be representative <br /> of native soils beneath the tank's invert(tank's bottom)at a collection depth not to exceed 2-4 feet If contamination is documented <br /> qjar1liforrua <br /> ng closure,an Unauthorized Release Notification must be completed and submitted within five(5) working days pursuant to <br /> Health& Safety Code, Section 25295 <br /> ' WATER NOT PRESENT IN THE TANK PIT <br /> I TANK TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> # (Gallons) of SOIL SAMPLES <br /> < 1,000 1 per Tank Fill OR Pump End of Tank <br /> 1,000- 10,000 2 per Tartl. <br /> 1 at each End of Tank <br /> > 10,000 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 1 Sample evea 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 MINIMUM NUMBER LOCATION of SOIL MINIMUM NUMBER <br /> # (Gallons) of SOIL SAMPLES SAMPLES of WATER SAMPLES <br /> < 10,000 2 from wall next to tank <br /> ' Single Tank 3 ends at soil/groundwater 1 <br /> intcrfacc& I below tank <br /> > 10,000 OR 4 from wall next to tank <br /> Tank Cluster ends at soil/groundwater <br /> 5 or more interface& I below each 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 TANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /> I # (Gallons) of SOIL SAMPLES <br /> < 1,000 3 perTank <br /> Center and Ends OR Sides of Tank <br /> t1,000 - 10,000 5 per Tank Center and Ends OR Sides of Tani. <br /> > 10,000 5 OR More per Tani. Ends and Middle and generally spaced <br /> along the length of the Tank <br /> EH 23 046(Revised 3115102) Page 7 <br /> 1 <br />