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PAGE %18 <br />SAMPLING PROTOCOL FOR ROUTINE TANK REMOVALS <br />The following represents minimum sampling criterion required for closure oomplianre. Soil Samples oollcwted shall be representative <br />of native soils beneath the tank's invert (tank's 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 />CalitbroM Health & Safety Code, Section Z5295. <br />TANK I TANK SIZE <br />p (Gallons) <br />c <br />> 10,000 <br />NATER NOT PRESENT IN THE TANK PIT <br />MINIMUM NUMBER <br />Of SOIL SAMPLES <br />3 or More <br />per Tank <br />9PIPING SOIL SAMPLES <br />TANK & PIPING STOCKPLL E SAMPLES <br />1'o Be, <br />TANK TANK SIZE <br />4 (Gallons) <br />10,000 <br />Single Tank <br />> 10,000 OR <br />Tank Cluster <br />MINIMUM NVINIBER <br />of SOIL SAMPLES <br />7 <br />5 or more <br />LOCATION OF SDR. SA MPL.ES <br />Ends and Middle OR generally <br />spaced along the length of the Tardc <br />2 Samples every 50 cubic yards <br />J TANK PIT <br />LOCATION of SOIL MINIMUM NUMBER <br />SAMPLES_ of WATER SAMPLES <br />2 from wail next W tank <br />ends at seiDgm.-dwatcr <br />inlwfacc& 1 baicw tank <br />4 ttam.w--- l —_._ <br />ends at s»il/graualwa;er <br />iet�fain & I below cacb <br />tank <br />SLAB PRESENT IN THE TANK PTT <br />Soil samples shall be obtained benezth the slab with In native lolls <br />collect the Samples. (Physical removal of the obstruction' will allow sampling according to the above conditions.) <br />TANK I T.4A'K SIZE <br />(Gallons) <br />< 1,000 <br />1,000 - 10,0 <br />> 10,000 <br />LH 23 046 (Reviacd V9/D6) <br />M1IINTIv1UM NUMBER <br />of SOIL SAMPLES <br />5 OR More per Tank <br />7 <br />1 <br />LOCATION of SOIL SAMPLES <br />I <br />Ends and Middle and generally spaced <br />Along the length of the Tank <br />