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SAN JOAQLJIN r c:)CI r HEIM,TH DISTRI0-r <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br />The following represents minimum sampling criterion required for closure compliance. Soil <br />samples collected shall be representative of native soils beneath the tank's <br />invert (tank's bottom] at a collection depth not be exceed 2 - 4 feet. If contamination <br />is documented during closure, an Unauthorized Release notification must be filled out and <br />submitted to SJLND within 5 days. Section 2652, CCR. <br />WATER NOT PRESENT IN THE TANK PIT <br />WATER IS PRESENT IN TANK PIT <br />TANK SIZE <br />— -- <br />10,000 GALLONS <br />TANK SIZE <br />MINIMUM NUMBER OF <br />_SOIL SAMPLES <br />LOCATION OF SOIL SAMPLES <br />Less than 1000 gallons <br />ONE perrttank <br />Fill or pump end of tank <br />1000 - <br />10,000 gallons <br />TWO per tank <br />One at each end of tank <br />10,001 <br />gallons and up <br />THREE OR MORE <br />Eris and Middle or <br />interface <br />per tankgeneral] <br />spaced along <br />Ne <br />From wall next to <br />ONE <br />length of the tank <br />Piping <br />tank ends at soil/ <br />ONE <br />EVERY 20 LINEAL FEET <br />WATER IS PRESENT IN TANK PIT <br />TANK SIZE <br />— -- <br />10,000 GALLONS <br />MINIMUM NO. OF <br />SOIL SAMPLES <br />-- ----- -- - <br />LOCATION OF SOIL <br />SAMPLES <br />---- -- <br />MINIMUM NUMBER <br />OF WATER SAMPLES <br />_--- —=—=- <br />_:___- -- <br />From wall next to <br />OR LESS <br />tank ends at soil/ <br />(Single Tank) <br />TWO <br />grounlwater <br />ONE <br />interface <br />GREA'T'ER THAN <br />From wall next to <br />ONE <br />10,000 GALLONS <br />tank ends at soil/ <br />OR <br />groundwater <br />TANK CLUSTER <br />FOUR <br />interface <br />OTHF R SPECIAL COND I T I ONS <br /># 3 9? <br />SLAB PRESENT IN TANK PIT <br />Soil samples shall be obtained beneath the slab within native soils. Penetration through <br />the obstruction will be required in order to collect the samples. (Physical removal of the <br />obstruction will then allow sampling according to the.above conditions.) <br />TANK SIZE <br />Less than 1000 gallons <br />1000 - 10,000 gallons <br />10,001 gallons and up <br />EH 23 047 12/88 <br />REVISED 1/89 <br />MINIMUM NUMBER OF <br />SOIL SAMPLES <br />THREE per tank <br />FIVE ix,r tank <br />FIVE OR MORE per <br />tank <br />LOCATION OF SOIL SAMPLES <br />Center and ends or sides <br />Center and ends or sides <br />Ends and Middle and <br />generally spaced along <br />the length of the tank <br />