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Boring N o. IV ESP NA <br /> Log of Boring EGC-5 Geotechnical <br /> Consulting <br /> Project: Rt. 99/Hammer Lane Interchange Improvements Project Project No.: H2O2A <br /> Elevation: 30+/- Date Drilled: 10/19/99 <br /> Drilling Method: 8" HSA Logged By: J. Frumm <br /> Elevation/ Soil Symbols Sample Density Moisture Additional <br /> Depth Sampler Symbols USCS MATERIAL DESCRIPTION Number Odor PID (p.c.i.) (%) Tests <br /> and Field Test Data <br /> 30--0 ......... ....................................................... <br /> Tan and brown, very dense, silty and <br /> sandy GRAVEL(Aggregate) with <br /> occasional fragments of concrete, steel <br /> and rubber <br /> 25--5 <br /> 1e EGC-1-5 ND ND <br /> 5" FILL <br /> 20--10 <br /> 24 EGC-5-2 ND ND <br /> 50 <br /> ......... ....................................................... <br /> Medium brown to reddish-brown, <br /> 15--15 damp, very dense, silty clayey SAND. <br /> Drilling became harder and consistent <br /> at 14 feet. <br /> sm- <br /> SC <br /> 10--20 : . 50/ GC-5-3 ND ND <br /> 5- <br /> Reddish-brown, damp, very dense, <br /> poorly-graded SAND with silt <br /> 6 25 <br /> SP <br /> 0­30 <br /> 31 <br /> 50/ Reddish-brown to medium brown, EGC-5 4 ND ND <br /> 5- damp, dense to very dense, well-graded <br /> SAND with silt, trace mica <br /> -6--35 <br /> Notes: Test hole grouted closed on 10/20199. <br /> ND = Non-detect. PID readings in ppm. <br /> 502 Giuseppe Court, Suite 11, Roseville, CA 95678 Figure 1-5 <br /> (916) 773-2600 FAX (916) 782-4846 <br />