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AI <br /> <br />P <br />a <br />t <br />h <br />: <br /> <br />Q: <br />\ <br />_ <br />A <br />C <br />A <br />D <br /> <br />S <br />t <br />a <br />n <br />d <br />a <br />r <br />d <br />s <br />\ <br />F <br />I <br />E <br />L <br />D <br /> <br />R <br />E <br />F <br />E <br />R <br />E <br />N <br />C <br />E <br />\ <br />M <br />A <br />S <br />T <br />E <br />R <br />S <br />\ <br />E <br />x <br />p <br />l <br />o <br />r <br />a <br />t <br />i <br />o <br />n <br /> <br />L <br />o <br />g <br /> <br />K <br />e <br />y <br />- <br />2 <br />0 <br />1 <br />8 <br />. <br />a <br />i <br /> <br /> <br /> <br /> <br />/ <br />/ <br /> <br />u <br />s <br />e <br />r <br />: <br /> <br />j <br />i <br />n <br />m <br />a <br />n <br /> <br /> <br />/ <br />/ <br /> <br /> <br /> <br />l <br />a <br />s <br />t <br /> <br />s <br />a <br />v <br />e <br />d <br />: <br /> <br />1 <br />2 <br />/ <br />3 <br />1 <br />/ <br />2 <br />0 <br />1 <br />8 <br />“WITH SILT” or “WITH CLAY” means 5 to 15% silt and clay, denoted by a “-“ in the group <br />name; e.g., SP-SM ● “SILTY” or “CLAYEY” means >15% silt and clay ● “WITH SAND” or “WITH <br />GRAVEL” means 15 to 30% sand and gravel. ● “SANDY” or “GRAVELLY” means >30% sand and <br />gravel. ● “Well-graded” means approximately equal amounts of fine to coarse grain sizes ● “Poorly <br />graded” means unequal amounts of grain sizes ● Group names separated by “/” means soil <br />contains layers of the two soil types; e.g., SM/ML. <br />Soils were described and identified in the field in general accordance with the methods described in <br />ASTM D2488. Where indicated in the log, soils were classified using ASTM D2487 or other <br />laboratory tests as appropriate. Refer to the report accompanying these exploration logs for details. <br />% by Weight <br />Density³SPT² Blows/Foot <br />Hi <br />g <br />h <br />l <br />y <br />Or <br />g <br />a <br />n <br />i <br />c <br />So <br />i <br />l <br />s <br />Fi <br />n <br />e <br />- <br />G <br />r <br />a <br />i <br />n <br />e <br />d <br /> <br />S <br />o <br />i <br />l <br />s <br /> <br />- <br /> <br />5 <br />0 <br />% <br />1 o <br />r <br /> <br />M <br />o <br />r <br />e <br /> <br />P <br />a <br />s <br />s <br />e <br />s <br /> <br />N <br />o <br />. <br /> <br />2 <br />0 <br />0 <br /> <br />S <br />i <br />e <br />v <br />e <br />Co <br />a <br />r <br />s <br />e <br />- <br />G <br />r <br />a <br />i <br />n <br />e <br />d <br /> <br />S <br />o <br />i <br />l <br />s <br /> <br />- <br /> <br />M <br />o <br />r <br />e <br /> <br />t <br />h <br />a <br />n <br /> <br />5 <br />0 <br />% <br />1 R <br />e <br />t <br />a <br />i <br />n <br />e <br />d <br /> <br />o <br />n <br /> <br />N <br />o <br />. <br /> <br />2 <br />0 <br />0 <br /> <br />S <br />i <br />e <br />v <br />e <br />Gr <br />a <br />v <br />e <br />l <br />s <br /> <br />- <br /> <br />M <br />o <br />r <br />e <br /> <br />t <br />h <br />a <br />n <br /> <br />5 <br />0 <br />% <br />1 o <br />f <br /> <br />C <br />o <br />a <br />r <br />s <br />e <br /> <br />F <br />r <br />a <br />c <br />t <br />i <br />o <br />n <br />Re <br />t <br />a <br />i <br />n <br />e <br />d <br /> <br />o <br />n <br /> <br />N <br />o <br />. <br /> <br />4 <br /> <br />S <br />i <br />e <br />v <br />e <br />15 <br />% <br /> <br />F <br />i <br />n <br />e <br />s <br />5% <br /> <br />F <br />i <br />n <br />e <br />s <br />Sa <br />n <br />d <br />s <br /> <br />- <br /> <br />5 <br />0 <br />% <br />1 o <br />r <br /> <br />M <br />o <br />r <br />e <br /> <br />o <br />f <br /> <br />C <br />o <br />a <br />r <br />s <br />e <br /> <br />F <br />r <br />a <br />c <br />t <br />i <br />o <br />n <br />Pa <br />s <br />s <br />e <br />s <br /> <br />N <br />o <br />. <br /> <br />4 <br /> <br />S <br />i <br />e <br />v <br />e <br />Si <br />l <br />t <br />s <br /> <br />a <br />n <br />d <br /> <br />C <br />l <br />a <br />y <br />s <br />Li <br />q <br />u <br />i <br />d <br /> <br />L <br />i <br />m <br />i <br />t <br /> <br />L <br />e <br />s <br />s <br /> <br />t <br />h <br />a <br />n <br /> <br />5 <br />0 <br />% <br />Si <br />l <br />t <br />s <br /> <br />a <br />n <br />d <br /> <br />C <br />l <br />a <br />y <br />s <br />Li <br />q <br />u <br />i <br />d <br /> <br />L <br />i <br />m <br />i <br />t <br /> <br />5 <br />0 <br />% <br /> <br />o <br />r <br /> <br />M <br />o <br />r <br />e <br />15 <br />% <br /> <br />F <br />i <br />n <br />e <br />s <br />5% <br /> <br />F <br />i <br />n <br />e <br />s <br />Well-graded GRAVEL <br />Well-graded GRAVEL WITH SAND <br />Poorly-graded GRAVEL <br />Poorly-graded GRAVEL WITH SAND <br />SILTY GRAVEL <br />SILTY GRAVEL WITH SAND <br />CLAYEY GRAVEL <br />CLAYEY GRAVEL WITH SAND <br />Well-graded SAND <br />Well-graded SAND WITH GRAVEL <br />Poorly-graded SAND <br />Poorly-graded SAND WITH GRAVEL <br />SILTY SAND <br />SILTY SAND WITH GRAVEL <br />CLAYEY SAND <br />CLAYEY SAND WITH GRAVEL <br />SILT <br />SANDY or GRAVELLY SILT <br />SILT WITH SAND <br />SILT WITH GRAVEL <br />LEAN CLAY <br />SANDY or GRAVELLY LEAN CLAY <br />LEAN CLAY WITH SAND <br />LEAN CLAY WITH GRAVEL <br />ORGANIC SILT <br />SANDY or GRAVELLY ORGANIC SILT <br />ORGANIC SILT WITH SAND <br />ORGANIC SILT WITH GRAVEL <br />ELASTIC SILT <br />SANDY or GRAVELLY ELASTIC SILT <br />ELASTIC SILT WITH SAND <br />ELASTIC SILT WITH GRAVEL <br />FAT CLAY <br />SANDY or GRAVELLY FAT CLAY <br />FAT CLAY WITH SAND <br />FAT CLAY WITH GRAVEL <br />ORGANIC CLAY <br />SANDY or GRAVELLY ORGANIC CLAY <br />ORGANIC CLAY WITH SAND <br />ORGANIC CLAY WITH GRAVEL <br />PEAT and other <br />mostly organic soils <br />GW <br />GP <br />GM <br />GC <br />SW <br />SP <br />SM <br />SC <br />ML <br />CL <br />OL <br />MH <br />CH <br />OH <br />PT <br />Modifier <br />Organic Chemicals <br />BTEX = Benzene, Toluene, Ethylbenzene, Xylenes <br />TPH-Dx = Diesel and Oil-Range Petroleum Hydrocarbons <br />TPH-G = Gasoline-Range Petroleum Hydrocarbons <br />VOCs = Volatile Organic Compounds <br />SVOCs = Semi-Volatile Organic Compounds <br />PAHs = Polycyclic Aromatic Hydrocarbon Compounds <br />PCBs = Polychlorinated Biphenyls <br />GEOTECHNICAL LAB TESTSMC = Natural Moisture Content <br />PS = Particle Size Distribution <br />FC = Fines Content (% < 0.075 mm)GH = Hydrometer TestAL = Atterberg Limits <br />C = Consolidation Test <br />Str = Strength Test <br />OC = Organic Content (% Loss by Ignition) <br />Comp = Proctor Test <br />K = Hydraulic Conductivity Test <br />SG = Specific Gravity Test <br />RCRA8 = As, Ba, Cd, Cr, Pb, Hg, Se, Ag, (d = dissolved, t = total) <br />MTCA5 = As, Cd, Cr, Hg, Pb (d = dissolved, t = total) <br />PP-13 = Ag, As, Be, Cd, Cr, Cu, Hg, Ni, Pb, Sb, Se, Tl, Zn (d=dissolved, t=total) <br />CHEMICAL LAB TESTS <br />PID = Photoionization Detector <br />Sheen = Oil Sheen Test <br />SPT 2 = Standard Penetration Test <br />NSPT = Non-Standard Penetration Test <br />DCPT = Dynamic Cone Penetration Test <br /><1 = Subtrace <br />1 to <5 = Trace <br />5 to 10 = Few <br />Dry = Absence of moisture, dusty, dry to the touch <br />Slightly Moist = Perceptible moisture <br />Moist = Damp but no visible water <br />Very Moist = Water visible but not free draining <br />Wet = Visible free water, usually from below water table <br />COMPONENT <br />DEFINITIONSDescriptive Term Size Range and Sieve Number <br />Boulders = Larger than 12 inches <br />Cobbles = 3 inches to 12 inches <br />Coarse Gravel = 3 inches to 3/4 inches <br />Fine Gravel = 3/4 inches to No. 4 (4.75 mm) <br />Coarse Sand = No. 4 (4.75 mm) to No. 10 (2.00 mm) <br />Medium Sand = No. 10 (2.00 mm) to No. 40 (0.425 mm) <br />Fine Sand = No. 40 (0.425 mm) to No. 200 (0.075 mm) <br />Silt and Clay = Smaller than No. 200 (0.075 mm) <br />Metals <br />ESTIMATED1 <br />PERCENTAGE <br />MOISTURE <br />CONTENT <br />RELATIVE DENSITY <br />CONSISTENCY <br />GEOLOGIC CONTACTS <br />Very Loose = 0 to 4 ≥2' <br />Loose = 5 to 10 1' to 2' <br />Medium Dense = 11 to 30 3" to 1' <br />Dense = 31 to 50 1" to 3" <br />Very Dense = > 50 < 1" <br />Consistency³ <br />Very Soft =0 to 1 Penetrated >1" easily by thumb. Extrudes between thumb & fingers. <br />Soft =2 to 4 Penetrated 1/4" to 1" easily by thumb. Easily molded. <br />Medium Stiff =5 to 8 Penetrated >1/4" with effort by thumb. Molded with strong pressure. <br />Stiff =9 to 15 Indented ~1/4" with effort by thumb. <br />Very Stiff =16 to 30 Indented easily by thumbnail. <br />Hard => 30 Indented with difficulty by thumbnail. <br />Non-Cohesive or Coarse-Grained Soils <br />SPT² Blows/Foot <br />Observed and Distinct Observed and Gradual Inferred <br />1. Estimated or measured percentage by dry weight <br />2. (SPT) Standard Penetration Test (ASTM D1586) <br />3. Determined by SPT, DCPT (ASTM STP399) or other field methods. See report text for details. <br />% by Weight Modifier <br />15 to 25 = Little <br />30 to 45 = Some <br />>50 = Mostly <br />Penetration with 1/2" Diameter Rod <br />Manual Test <br />FIELD TESTS <br />Cohesive or Fine-Grained Soils <br />Exploration Log Key