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SAN .7OAQU I N LOC', HEALTH DISTRICT <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br />The following represents minimum sampling criterion required 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 �ays. Section 2652, CCR. <br />V <br />WATER NOT PRESENT IN THE TANK PIT <br />TANK SIZE <br />MINIMUM NUMBER OF <br />SOIL SAMPLES <br />LOCATION OF SOIL SAMPLES <br />ss than 1000 gallons <br />ONE ank <br />Fill <br />1000 - 10,000 gallo <br />O per tank <br />ne at each end of 'tank <br />10,001 gallons and up <br />Per <br />d <br />helengyysofcthaangg <br />tnk <br />Interface <br />hthe <br />aping <br />ONE <br />EVERY 20 LINEAL FEET <br />WATER IS PRESENT IN TANK PIT <br />TANK SIZE MINIMUM NO. OF <br />SOIL SAMPLES <br />LOCATION OF SOIL <br />SAMPLES <br />MINIMUM NUMBER <br />OF WATER SAMPLES <br />10,000 GALLONS <br />Fromwall t to <br />OR <br />ends at soil/ <br />(SingleTank) TWOgroundwater <br />ONE <br />Interface <br />GREATER THAN <br />From wall next to <br />ONE <br />10,000 GALLONS <br />tank ends at soil/ <br />ORgroundwater <br />TANK CLUSTER 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 />obbstructiontwillwthenalrequired <br />ow sampling according toect thetabovemcconditiponssjcal removal of he <br />TANK SIZE IMINSMJM NUOIL MBER I LOCATION OF SOIL SAMPLES <br />Less than 1000 gallonsTHREE per tank <br />1000 - 10,000 gallons FIVE per tank <br />10,001 gallons and up IFI E OOR MORE per <br />EH 23 047 12/88 <br />REVISED 1/89 <br />Center and ends or sides <br />Center and ends or sides <br />Ends and Middle and <br />generally spaced along <br />the length of the tank <br />