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vow ..i <br /> SAN J'OAQI.JIN LOCAL. HEALTH DISTR2CT <br /> SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br /> The following re resents minimum sampling criterion required for closure compliance. Soil <br /> inverts(tank 'stbottom]l atearcollectionidepth notbeexceedb2neaehfeet,tank's <br /> contamination <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 tankgenerall spaced along <br /> Ne 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 _ SAMPLES _ OF WATER SAMPLES <br /> 10,000 GALLONS — From wall next to <br /> OR LESS tank ends at soil/ <br /> (Single Tank) TWOgroundwater ONE <br /> interface <br /> 1GREATER <br /> R ATER THAN From wall next to ONE <br /> tank ends.at soil/ <br /> TANK CLUSTERgroundwater <br /> OR 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 /> tank enerally spaced along <br /> ---------_—^_- ._.-..-.--------_----- the length of the tank <br /> EH 23 047 12/88 <br /> REVISED 1/89 <br />