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SAN JOAQUI N LOc--4� HEA.TArr H 1:>I STRI C'I' <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br />The following re esents minimum sampling criterion re9uiced for closure compliance. Soil <br />samples collecte7 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 <br />gdurinHD giclosure <br />l sure`daan UnSectionzed Release notification must be filled out and <br />mitted <br />WATER NOT PRESENT IN THE TANK PIT <br />TANK SIZE <br />Less than 1000 gallon; <br />1000 - 10,000 gallons <br />10,001 gallons and up <br />MINIMUM NUMJ1ER OF <br />SOIL SAMPLES <br />SNE per tank -_`- <br />TWO per tank <br />THREE OR MORE <br />per tank <br />`i <br />LOCATION OF SOIL SAMPLES <br />Fill � or pump_ &A -of taOk <br />One at each end of tank <br />Ends and Middle or <br />enerall spaced ialong <br />he length of the tank <br />EVERY 20 LINEAL FEET <br />WATER IS PRESENT IN TANK PIT <br />iMINIMUM <br />• OF <br />SOIL SAMPLES <br />LOCATIONOF • <br />SAMPLES <br />�:a• <br />7 <br />Syn.��r cr <br />Center and ends or sides <br />. .' <br />FIVE per tank <br />) R ELSE a <br />10,001 gallons and up <br />!tank ends at soilt <br />a .. . _ <br />• <br />GREATER <br />. <br />• <br />10,000 r <br />ends <br />O,. <br />oundwater <br />TANK CLUSTER <br />s ,• <br />- <br />OTHEEZ SLPECIAL CONDITIONS <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 allow order to g ll tt the samples. (Physical removal of the <br />obstruction willsampling <br />►/ <br />TANK SIZE <br />MINIMUM NNL�EOF <br />LOCATION OF SOIL SAMPLES <br />Less than 1000 gallons <br />THREE per tank <br />Center and ends or sides <br />1000 - 10,000 gallons <br />FIVE per tank <br />Center and ends or sides <br />10,001 gallons and up <br />FIVE OR MORE per <br />tank <br />Ends and Middle and <br />?he lenlgthspfcttheed long <br />tank <br />EH 23 047 12/88 <br />REVISED 1/89 <br />