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stn c.1cCo� <br />SA.`, F11 O F ROTOCOL FCR ROUTINE TANK REMOVALS <br />The following represents minimum `<<:ir.g criterion required for closure compliance. Soil samples collected <br />representative of native soils benea- L`c rank's invert (tar s bottom) at a collection depth not to exceed 2 - 4 if <br />contamination is documented duria:>cre, an Unauthorized Release Notification must be completed and cube ::ed <br />within five (5) working days pursu--t :o California Health & Safety Code, Scction 2_5295. <br />MATER NOT PRESENT IN THE TANK PIT <br />TANK <br /># <br />TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAMPLES <br />LOCATION OF SOIL SAMPLES <br />TANK & PIPING STOC.' r1LE SAMPLES <br />< 1,000 <br />I 1 per Tank <br />Fill OR Pump End of Tank <br />< 1,000 <br />1,000 - 10,000 <br />2 per Tank <br />1 at tach End of Tank <br />1,000 - 10,000 <br />> 10,000 <br />I i or More <br />per Tank <br />Ends and Middle OR generally <br />spaced along the length of the Tank <br />PIPING AND STOCKPILE <br />WATER IS PRESENT IN TANK PIT <br />TANK <br /># <br />PIPING SOIL SAMPLES <br />I I Sample every 20 lineal feet <br />LOCATION of SOIL <br />SAMPLES <br />TANK & PIPING STOC.' r1LE SAMPLES <br />2 Samples every 50 cubic yards <br />WATER IS PRESENT IN TANK PIT <br />TANK <br /># <br />TANK SIZE <br />(Gallons) <br />MLNnIUM NUMBER <br />I of SOIL SAMPLES <br />LOCATION of SOIL <br />SAMPLES <br />TANK <br /># <br />< 10,000 <br />MINIMUM NUMBER <br />of SOIL SAI.UILES <br />From wall neat to tank <br />< 1,000 <br />Single Tank <br />2 <br />ends at soiU groundwater <br />1,000 - 10,000 <br />5 per Tank <br />Center and Ends OR Sides of Tank <br />interface <br />> 10,000 <br />> 10,000 OR <br />Lids and Middle and generally spaced along <br />the length of the Tank <br />From wall nest to tank <br />Tank Cluster <br />4 <br />ends at soiV <br />groundwater interfat:e <br />MINIMUM NUMBER of <br />WATER SAMPLES <br />SLAB PRESENT IN TfIF 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 obstruction will allow sampling according to the above conditions.) <br />EH 23 047 (Revised 7/10/92) Page 7 <br />LOCATION of SOIL SAMPLES <br />TANK <br /># <br />I TANK SIZE <br />(Gallons) <br />MINIMUM NUMBER <br />of SOIL SAI.UILES <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 />Lids and Middle and generally spaced along <br />the length of the Tank <br />EH 23 047 (Revised 7/10/92) Page 7 <br />