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LOG OF EXPLORATION <br />DEPTH (FEET) USC SOIL DESCRIPTION <br />INFILTRATION PIT ONE <br />0.0-4.0 GRASS UNDERLAIN BY DARK BROWN TO BROWN, SILTY FINE TO MEDIUM SAND WITH <br />ROOTS, OGRANICS, AND GRAVEL (LOOSE TO MEDIUM DENSE, MOIST) <br />(UNDOCUMENTED FILL) <br />4.0-5.0 GRAY TO ORANGE -GRAY, SILT WITH FINE TO MEDIUM SAND INTERBEDDED WITH SILTY <br />FINE TO MEDIUM SAND, GRAVEL, AND IRON -OXIDE STAINING <br />(LOOSE TO MEDIUM DENSE, MOIST TO WET) (UNDOCUMENTED FILL) <br />5.0-6.0 SP-SM GRAY TO GRAY -BROWN, FINE TO MEDIUM SAND WITH SILT, GRAVEL, COBBLES, AND SILT <br />LENSES (MEDIUM DENE TO DENSE, MOIST) <br />SAMPLES WERE NOT COLLECTED <br />GROUNDWATER SEEPAGE WAS ENCOUNTERED AT 3.5 FEET <br />TEST PIT CAVING WAS NOT ENCOUNTERED <br />TEST PIT WAS COMPLETED AT 6.0 FEET ON 3/19/2020 <br />TEST PIT ONE <br />0.0 - 7.3 DARK BROWN SILTY FINE TO MEDIUM SAND WITH ORGANICS, GRAVEL, COBBLES, AND <br />ROOTS. (LOOSE TO MEDIUM DENSE, MOIST) (TOP SOILIUNDOCUMENTED FILL) <br />7.3 -- 8.0 SP-SM GRAY TO GRAY -BROWN, FINE TO MEDIUM SAND WITH SILT, GRAVEL, SILT LENSES AND <br />IRON -OXIDE STAINING (MEDIUM DENSE TO DENSE, MOIST TO WET) <br />SAMPLE WAS COLLECTED AT 8.0 FEET <br />GROUNDWATER SEEPAGE WAS ENCOUNTERED AT 7.0 FEET <br />TEST PIT CAVING WAS NOT ENCOUNTERED BETWEEN <br />TEST PIT WAS COMPLETED AT 8.0 FEET ON 3/19/2020 <br />TEST PIT TWO <br />0.0 - 5.0 DARK BROWN, SILTY FINE TO MEDIUM SAND WITH ROOTS, ORGANICS, GRAVEL, <br />ANTHROPOGENIC DEBRIS, AND COBBLES (LOOSE TO MEDIUM DENSE, MOIST) <br />(UNDOCUMENTED FILL) <br />5.0-10.0 SP-SM GRAY TO GRAY -BROWN, FINE TO MEDIUM SAND WITH SILT, GRAVEL, SILT LENSES AND <br />IRON -OXIDE STAINING (MEDIUM DENSE TO DENSE, MOIST TO WET) <br />SAMPLE WAS COLLECTED AT 9.5 FEET <br />GROUNDWATER SEEPAGE WAS ENCOUNTERED AT 9.5 FEET <br />TEST PIT CAVING WAS NOT ENCOUNTERED <br />TEST PIT WAS COMPLETED AT 10.0 FEET ON 3/19/2020 <br />TEST PIT THREE <br />0.0-4.5 DARK BROWN, SILTY FINE TO MEDIUM SAND WITH ROOTS, ORGANICS, GRAVEL, AND <br />COBBLES (LOOSE TO MEDIUM DENSE, MOIST) (UNDOCUMENTED FILL) <br />4.5-5.0 SP-SM GRAY TO GRAY -BROWN, FINE TO COARSE SAND WITH SILT, GRAVEL, SILT LENSES AND <br />IRON -OXIDE STAINING (MEDIUM DENSE TO DENSE, MOIST TO WET) <br />SAMPLE WAS COLLECTED AT 5.0 FEET <br />GROUNDWATER SEEPAGE WAS ENCOUNTERED AT 4.8 FEET <br />TEST PIT CAVING WAS NOT ENCOUNTERED <br />TEST PIT WAS COMPLETED AT 5.0 FEET ON 3/19/2020 <br />DJO NELSON GEOTECHNICAL ASSOCIATES, INC. <br />FILE NO 1165620 <br />FIGURE 4 <br />