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SAMPLING �O.1'OCOL FOR ROUI•INE"TANK REM - ALS <br /> 'ne following represents minimum sampling criterion rululred for closure compliance. Soil samples collected shall be <br /> representative of native solls beneath the lank's Invert (tank's botlom) at a collection depth not to exceed 2 - 4 feel. If <br /> contaminalion Is timumentul during closure, an Unauthorbul Release Notification must be completed and submitted <br /> within five (5) working days putsuanl to California Ilealth & Safety Code, Section 25295. <br /> WATER NOT PRKSKNT IN THE TANK i'1'r <br /> I'ANK 'YANK SIZE MINIMUM NUMBER LOCA HON OF SOIL SAMPLES <br /> # (Oallons) of SOIL SAMPLES <br /> < 1,(X)0 I per Tank rill OR Pump End of Tank <br /> I,Ixx) - 10,(x)0 2 per Tank 1 at.each End of Tank <br /> > 1(l,Ul1() 3 or Mu a Ends and Middle Olt generally <br /> per 'Tank Spaced along the length of 1he Tank <br /> PIPING AND STOCKPILE <br /> P1PINO SOIL SAMPLES 1 Sample every 20 lineal feet <br /> TANK & PIPIN© S•TOCKPILL• SAMPLES 2 Samples every 54)cubic yards <br /> WATFIZ 1S PRESENT IN TANK PIT <br /> TANK "TANK SIZE? MINIMUM NUMBER LOCATION of SOIL MINIMUM NUMBER of <br /> # (Gallons) of SOIL, SAMPLES SAMPLES WATER SAMPLES <br /> < 10,U(x1 From wall next to lank <br /> Single 'yank 2' ends at soil/groundwater 1 <br /> 1Merface <br /> > I0,W0 OR From wall next to tank <br /> Tank Cluster 4 ends at soil/ i <br /> groundwaler Interface <br /> SIAI1 111IF,SENT IN 'Till;TANK 1'1'r <br /> Soil samples shall be obtained beneath the slab within native solls. Penetration through tite obstruction will be required.in <br /> order to collect the samples. (Physical removal of the obstruction will allow sampling according to the above conditions,) <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION or SOIIL SAMPLES <br /> # (Gallons) of SOIL SAMPLES <br /> < I,0W 3 per "Tank Center and Ends OR Sides of Tank <br /> 1 <br /> 1,Ut10 - lo,(xX) 5 per Tank Center and Ends OR Sides of Tank <br /> > 10,W) 5 OR More per *Vank Ends and Middle and generally spaced along <br /> )Ise length of the 'rank <br /> ER 27 047 (Revised 7/10/92) Page 1 <br /> F <br />