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SAMPLING PROTOCOL FOR ROUTINE TANK REMOVALS otlrvI84 <br /> The following represent:minimum scrupling 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- 3 feet. If <br /> contamination is documented during closure,tui Unauthorized Release Notification must be completed and submitted within five <br /> (5)working days pursuant to California Health&Safety Code.Section 25295• <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK TANK SIZE MINIMI rM M rMBER LOCATION OF SOIL SAMPLES <br /> # cGahlons) of SOIL SAMPLES <br /> < 1.iMN) lper Tank Fill OR Purnp End of Tank <br /> K79- ki X 0 - I0.(N N I 2 per Tank t at each End of Tank <br /> G,lrl. <br /> ELL�i <br /> ? orClore prr Tank Ends acrd Middle OR generally <br /> s acrd adon_the lengdn of the Tank <br /> "Assumes removal of anv potential slab below the tank. <br /> PIPING AND STOCKPILE <br /> 879- PIPING SOIL Sr1MPLES l Sample every 20 lineal Feet <br /> 6211TANK & PIPING STOCKPILE SANIPLLS 2 Saniples every 50 cubic vards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZE M1MMiJM LOCATION of SOIL MINIMUM NUMBER of <br /> # (Gallons) NUMBER of SOIL SAMPLES WATER SAMPLES <br /> -�< 10.(X)O SAMPLES From wall next to tank <br /> Single Tank 2 ends a i soil/groundwater I <br /> 1111 <br /> > 10.(NN) OR From wall next to tank <br /> Tank Cluster 4 ends at soil/groundwater t <br /> interlace <br /> SLAB PRESENT 1N 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 saunples. (Physical removal of the obstruction will allow sampling according to the above conditions.) <br /> TAM{ TAMC SIZE MINIlNLIM NUMBER LOCATION of SOIL SAMPLES <br /> # (Gallons) of SOIL SAMPLES <br /> < 1.000 3 per Tank tenter and Ends OR Side-,of Tank <br /> 1.000- 10.000 5 per Tank Center and Ends OR Sides of Tank <br /> > 10.000 5 OR More per Tank along Ends and Middle and generally spaced ag the <br /> leneth of the Tank <br /> EH 23 Ul7 (Rev 7/10/92) <br /> 7 <br />