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SAN JOAQUIN LOCAL HF.AT,TH DISTRICT <br /> SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br /> The following re resents minimum sampling criterion required for closure compliance. Soil <br /> inverts[tank stbottom] all tea collectionldepth not exceedb2nea4hfeet.tank's <br /> fscontamination <br /> is documented during closure, an Unauthorized Release notification must be filled out and <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 tank One at each end of tank <br /> 10,001 gallons and up THREE OR MORE Ends and Middle or <br /> per tankgenerally spaced along <br /> the length of the tank <br /> Piping v� ONE ---__ EVERY 20 LINEAL FEET <br /> SF WATER IS PRESENT IN TANK PIT <br /> TANK SIZE MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER <br /> SOIL SAMPLES SAMPLES OF WATER SAMPLES <br /> 110,0O00 GALLONS From wall next to <br /> OR LESS tank ends at soil/ <br /> (Single Tank) TWO groundwater ONE <br /> interface <br /> GREATER THAN <br /> From wall next to ONE <br /> 10,000 tank ends atOR soil/ <br /> TANK CLUSTER groundwater <br /> FOUR interface <br /> OTHER SPECIAL 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 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 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 OR MORE per Ends and Middle and <br /> generally spaced along <br /> length of the tank <br /> EH23 097 12/88 <br /> REVISED 1/89 <br />