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0 0 <br />SAN JOAQUI N LOCAL, HEALTH DI STR I LT <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br />The following represents minimum sampling criterion reguired 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 SJLHD within 5 days. Section 2652, CCR. <br />WATER NOT PRESENT IN THE TANK PIT <br />-- — --- - - -- <br />... _..._....... .... _...._...-._.... ..._......._-........ ._........ _.._.._.....------ _... .......... .-- ... _.... .------..........._ <br />TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br />SOIL SAMPLES <br />fess 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 />the length of the tank <br />Piping ONE EVERY 20 LINEAL FEET <br />WATER IS PRESENT IN TANK PIT <br />_------ --- ------ --- ---- <br />TANK SIZE <br />- - -- - - <br />MINIMUM NO, OF <br />..... - ..._..... - <br />LOCATION OF SOIL <br />_._..._..._..._..._..... .... --- ..... ....... _ <br />MINIMUM NUMBER <br />SOIL SAMPLES <br />SAMPLES <br />OF WATER SAMPLES <br />10,000 GALLONS <br />From wall next to <br />OR LESS <br />tank ends at soil/ <br />(Single Tank) <br />TWO <br />grounJwater <br />ONE <br />interface <br />GREATER 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 />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 />tankgenerally spaced along <br />the length of the tank <br />EH 23 047 12/88 <br />REVISED 1/89 <br />