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SAMPLING PROTOCOL FOR ROUTINE TANLIERIOVALS . 000085 <br /> . . The following represents minimum saunpling criterion required for clo%ure compliance. Soil wimple%collected.hall be <br /> •:_`•' <br /> representative of native soils beneath the tank's invert(tank's Mxpnt)ata collection depth not to exceed 2--t feet. It <br /> contamination is documented during closure,an I.Inaudiorired Release Notification moa he completedand.uhnuttcd within tine <br /> (5)working days pursuant to California Health&Safety Code.Section 25295. <br /> WATER NOT I'RFtiEN'I' IN THE TANK PIT <br /> TANK TANK SIZE MINIMUM NI.IMBER LOCATION OF SOIL SAMPLES <br /> # (Gallons) of SOIL SAMPLE'S <br /> Vol* < l.(Xx) , 1 per Tank Fill OR Pump End of Tank <br /> 1.000- 10.000 2 per Tank 1 at each End of Tank <br /> > 10.0(X) 3 or More per Tank Ends and Middle OR generally <br /> s aced alone the length of the Tank <br /> *Assumes removal of any potential slab below the tank. <br /> / PIPING AND STOCKPILE <br /> PIPING SOIL SAMPLES I Samole every 20 lineal feet <br /> TANK& PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic vards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZE MINIIvI[I1.4 UWATION of SOIL MINIMI IM NUMBER of <br /> # (Gallons) NUMBER of SOIL. SAMPLES WATER SAMPLE'S <br /> SAMPLES <br /> {f < 10.0(X) From wall next to tank <br /> Single Tank 2 ends at soil/groundwater ) <br /> interface <br /> > 10.000 OR Front wall next to tank <br /> Tank Cluster 4 ends at soil/grouWwater 1 <br /> interface <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 <br /> order to collect the samples. (Physical removal of the ubstruction will allow sampling according to the above conditions.) <br /> TANK TANK SIZE MINIMUM NIJMBER LOCATION of SOIL SAMPLES <br /> # (Gallons) of SOIL SAMPLES <br /> < 1.000 3 ner Tank Center and Ends OR Sides of Tank- <br /> 1.(w <br /> ank1.0(X) - 10.000 5 17—7. Center and Ends OR Sides of Tail: <br /> > 10.000 5 OR More per TankEnds and Middleand generally spaced along die <br /> leneth of the Tank <br /> EH 23 047(Rev 7/10/92) <br /> 7 <br />