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El <br />.......... <br />1� 1 11, 1111:111 !'ill 1 <br />E <br />The following represents nummum, sampling criterion required for closure compliance. Soil samples collected shall be representative <br />of native soils beneath the tanles invert (taiXs bottom) at a collection depth not to exceed 2 - 4 feet. If contamination is documented <br />during closure, an Unauthorized Release Notification must be completed and submitted within five (5) working days pursuant to <br />California Health & Safety Code, Section 25295. <br />NWM4-;U���j f-110,124:2 k i <br />TANK # <br />TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAMPLES <br />LOCATION OF SOIL SAMPLES <br />PIPING SOIL SAMPLES <br />< 1,000 <br />1 per Tank <br />Fill OR Pump End of Tank <br />Q/7 <br />1,000 -10,000 <br />2 per Tank <br />I at each End of Tank <br />3 <br />> 10,000 <br />3 or More per Tank <br />Ends and Nfiddle OR generally <br />spaced along the length of the Tank <br />F: I �, 7 �11 s1 -� <br />iTITEW 1:1:41 A:j 1144-14 L1 I a I L1 a <br />TANK # <br />TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAMPLES <br />LOCATION of SOIL <br />SAMPLES <br />PIPING SOIL SAMPLES <br />I Sample every 20 lineal feet <br />< 10,000 <br />2 from wall next to tank <br />< 1,000 <br />TANK & PIPING STOCKPILE SAMPLES <br />2 Samples every 50 cubic yards <br />iTITEW 1:1:41 A:j 1144-14 L1 I a I L1 a <br />TANK # <br />TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAMPLES <br />LOCATION of SOIL <br />SAMPLES <br />MINIMUM NUMBER <br />of WATER SAMPLES <br />(Gallons) <br />< 10,000 <br />2 from wall next to tank <br />< 1,000 <br />0A <br />Single Tank <br />3 <br />ends at soil/groundwater <br />& I below tank <br />I <br />1,000 - 10,000 <br />interface <br />Center and Ends OR Sides of Tank <br />> 10,000 OR <br />5 OR More per Tank <br />4 from wall next to tank ends at <br />5 or more <br />soil/groundwater interface & I <br />p)IA <br />Tank Cluster <br />below each tank <br />SLAB PRESENT IN THE TANK Prr <br />Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will b -z <br />required in order to collect the samples. (Physical removal of the obstruction will allow sampling according to <br />the above conditions.) <br />TANK <br />TANK SIZE <br />ARNEVIUM NUMBER <br />LOCATION of SOIL SAMPLES <br /># <br />(Gallons) <br />of SOIL SAMPLES <br />< 1,000 <br />3 per Tank <br />Center and Ends OR Sides of Tank <br />1,000 - 10,000 <br />5 per Tank <br />Center and Ends OR Sides of Tank <br />> 10,000 <br />5 OR More per Tank <br />Ends and Middle and generally spaced along the length of the Tank <br />EH 23 046 (Revised 10/16/03) Page;ll <br />