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LOG SYMBOLS <br /> BULK/BAG SAMPLE SOLID PIPE <br /> BACKFILLED WITH CEMENT GROUT <br /> ` MODIFIED CALIFORNIA SAMPLER SOLID PIPE <br /> ' (2-1/2 inch outside diameter) ® BACKFILLED WITH BENTONITE MATERIAL <br /> CALIFORNIA SAMPLER SOLID PIPE <br /> ` (3 inch outside diameter) BACKFILLED WITH SAND <br /> STANDARD PENETRATION SLOTTED PIPE <br /> SPLIT SPOON SAMPLER BACKFILLED WITH SAND <br /> (2 inch outside diameter) <br /> CONTINUOUS CORE ® NO PIPE <br /> BACKFILLED WITH BENTONITE MATERIAL <br /> — <br /> NIR NO SAMPLE RECOVERY <br /> NO PIPE <br /> 77 WATER LEVEL BACKFILLED WITH SAND <br /> (level where first encountered) <br /> V WATER LEVEL <br /> (level after completion) <br /> NO PIPE <br /> BACKFILLED WITH NATIVE SOIL <br /> SOIL CONTACT NOTED <br /> WITHIN SAMPLE INTERVAL FID FLAME IONIZATION DETECTOR <br /> SOIL CONTACT INFERRED <br /> i� BETWEEN SAMPLE INTERVALS PID PHOTO IONIZATION DETECTOR <br /> GENERAL NOTES <br /> 1.Lines separating strata on the logs represent approximate boundaries only. Actual transitions may be gradual. <br /> 2.No warranty is provided as to the continuity of soil conditions between individual sample locations. <br /> .� 3. Logs represent general soil conditions observed at the point of exploration on the date indicated. <br /> 4. In general, Unified Soil Classification System designations presented on the logs were evaluated by visual methods only. <br /> Therefore,actual designations(based on laboratory tests)may vary. <br /> a' <br /> ` LOG KEY PLATE <br /> MK L E I N F E L D E R <br /> PETROLEUM PIPELINE SPILL <br /> x 23577 MOUNTAINHOUSE PARKWAY <br /> ---- - JTRACY, CALIFORNIA A-2 <br /> 3 Drafted By: GDG Project No.: 44843.T03 <br /> r Date: 7/29/2004 File Number: ST04G159 <br /> cnir,*gM eiemiemamy:aua <br /> V <br />