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SAN JOAQUI N LOCAL HEADY" DI Sa-n ICT SAMPLING PROTOM FOR ROUTINE TANK REMOVALS The following represents minimum sampling criterion re fired for closure compliance. Soil samples collected shall be representative of native soils beneath the tank's invert (tank's bottom) at a collection deppth not be exceed 2 - 9 feet. If contamination out and IsdQct submitted Sduring cloythin urR6,an.Un3ectiohred Relea a notification must be filled out and JLHD WATER NOT PRESENT IN THE TANK PIT TANK SIZE TANK SIZE MINIMUM 10,000 GALLONS From wall next to tank ends at soil/ Less than 1000 Ballo 0 Fill or �mp-end a ( 1000 - 10,000 gallons TWO per to One at each e nd of tan] THAN 10,001 gallons and up E OR MORE tank s and Middle or enelelly Spaced along ghe r per � LINEAL FEET / - 23L06 l� Piping ONE --- — WATER I9 PRESENT TANK SIZE MINIMUM NO. OF LOCATION OF SOIL SOIL SAMPLES SAMPLES MINIMUM NUMBER OF WATER SAMPLES 10,000 GALLONS From wall next to tank ends at soil/ OR LESS (Single Tank) TWOgroundwater ONE interface THAN From wall next to ONE 10,000 AS tank ends at soil/ groundwater TANKSTER TL FOUR interface OTHER SPECIAL CONnirrIONS SLAB PRESENT IN TANK PIT Soil samples shall be obtained beneath the slab within native soils[. Penetration through obbstruucctiontwillwthenallow sampling order to abovemconditionsssjcal removal of the TANK SIZE Less than 1000 gallons 1000 - 10,000 gallons 10,001 gallons and up EH 23 047 12/88 REVISED 1/89 MINIMUM NUMBER OF SOIL SAMPLES THREE per tank FIVE per tank FIVE OR MORE per tank LOCATION OF SOIL SAMPLES Center and ends or sides Center and ends or sides Ends and Middle and generallyy spaced along Ehe lengEh of the tank