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SAN JO. .2UIN LOCAL HZAI. I ,-f DISTRICT <br /> SAMPLING PROTO('.AL FOR ROUTINE TANK REMOVALS <br /> The following represents minimum sampling criterion re red for closure compliance. Soil <br /> samples collected shall be representative of native sons beneath the tank's <br /> invert <br /> sv ocumentedsduurrtngmclosureCoaneunauthoriized Relot easexnotification■ust be filled contanination <br /> submitted to SJLHD within 5 days. Section 2652, CCR. <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Less than 1000 gallons ONE per tank Fill or pump end of tank <br /> 1000 - 10,000 gallons TWO per One at each end of tank <br /> 10 001 gallons and up THREE OR MORE Ends and Middle or <br /> per tank generally spaced along <br /> the length of the tank <br /> Piping_- - ONE EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> —TANK SIZE MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER <br /> =— _ ___SOIL SAMPLES SAMPL_ES__ OF WATER SAMPLES <br /> 10,000 GALLONS From wall next to <br /> OR LESS tank ends at soil/ <br /> (Single Tank) TWO groundwater ONE <br /> interface <br /> GRTER GALLONS From wall next to ONE <br /> tank ends at soil/ <br /> OR TANK CLUSTER groundwater <br /> FOUR interface Ar <br /> c7THER SPECInr" CONDITIONS <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. <br /> the obstruction will be required in order to collect the samples. Penetration through <br /> (Physical removal of the <br /> obstruction will then allow sampling according to the above conditions. ) <br /> TANK SIZE' MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Less than 1000 gallons THREE per tank Center and ends or sides <br /> 1000 - 10,000 gallons FIVE per tank Center and ends or sides <br /> 10,001 gallons and up FIVE MORE per Ends and <br /> YMiddle and <br /> --------- �lengyhsof tthheataru <br /> EH 23 047 12/68 <br /> REVISED 1/89 <br />