COMPLIANCE INFO_FILE 7 - Laserfiche WebLink

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SAMPLING PROTOCOL FOR ROUTINE TANK REMOVALS The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be representauve of native sodbeneath the beneathe tank's invert(tank's bottom)at a collection depth not to exceed 2-4 feet. If contamination is documented during closure.an Umiud trized Release Notification must be completed and submitted within five (5)working days pursuant to California Health&Safety Code,Section 25295. WATER NOT PRESENT IN THE TANK PIT TANK TANK SIZE MIMMUM NUMBER LOCATION OF SOU-SAMPLES tt (Gallons) of SOIL SA,titPLES < I.W) l r Tank Fill OR Pump End of Tank 'd 379- I.0(X) - los") 2 per Tank I at each End of Tank Gird. > 1J.UVt] 3 yr 41urc qtr Tank Ends:uta Noddle OR V-ncraii! spaced along the lensth of the Tank 'Assumes removal of any potential slab below the tank. PIPING AND STOCKPILE 879- PIPNG SOIL SAMPLES 1 Sample every 20 lineal feet G1U1 TANK& PIPING STOCKPILE SAy1PLES 2 Sam les every 50 cubic yards WATER IS PRESENT IN TANK PIT TANK TANK SIZE MINIMUM LOCATION of SOIL MIMMUM NUMBER of (Gallons) NUMBER of SOI. SAMPLES WATER SAMPLES SAMPLES < 10,000 From wall next to tank Single Tank 2 ends at soil/groundwater 1 interface > 10.000 OR From wall text to tank Tank Cluster 4 ends at soil/groundwater 1 interface SLAB PRESENT IN THE TANK PIT Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required in order to collect the samples. (Physical removal of the obstruction will allow sampling according to the above conditions.) TANK TANK SIZE MINDAUM NUMBER LOCATION of SOU.SAMPLES tt (Gallons) of SOIL SAMPLES < 1.000 3 r Tank Center and Ends OR Sides of Tank 1.000- 10.000 S r Tank Center and Ends OR Skies of Tank > 10,000 5 OR More per Tank Eads and Middle and generally spaced along the length of the Tank EH 23 047(Rev 7/10/92) 7