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UNIFIED SOIL CLASSIFICATION <br /> PT OH I CH I MH OL I CL I ML SC I SM SP I SW GC I GM GP GW <br /> Sands with fines Clean sands Gravels with fines Clean gravels <br /> Highly Silts and clays Silts and clays > 12%fines <5%fines > 12%fines <5%fines <br /> organic Liquid limit Liquid limit <br /> soils greater than 50 less than 50 Sands-more than 50%of coarse Gravels-more than 50%of coarse <br /> fraction is smaller than No.4 sieve fraction is larger than No.4 sieve <br /> Fine grained soils Coarse grained soils <br /> (More than 50% is smaller than No. 200 sieve) (More than 50% is larger tnah No. 200 sieve) <br /> LABORATORY CLASSIFICATION CRITERIA <br /> D60 SD 2 <br /> i0 GW and SW-Cu-- - greater than 4 for GW&6 for SW:Cc= between 1&3. <br /> xx GH D10 D1oxD60 <br /> W' <br /> GP and SP-Clean gravel or sand not meeting requirements for GW&SW. <br /> GM and SM-Attberg limits below"A"line or P.I. less than 4. <br /> on a MH GC and SC-Attberg limits above"A"line with P.I. greater than 7. <br /> Fine Medium Coarse Fine Coarse Boulders <br /> CL Fines(silt or clay) sand sand sand gravel gravel Cobbles <br /> e. to <br /> o o a M M o <br /> Sieve Sizes <br /> E N <br /> idµ-S4- 20 30 10 60 g0 )t> BU Sp 100 Cassification of Earth materials shown on this sheet is based on field inspection and <br /> LIQUID LIMIT should not be constued to imply laboratory analysis so stated. <br /> MATERIAL SYMBOLS CONSISTENCY CLASSIFICATION <br /> { Gravel Peat or FOR SOILS <br /> organic matter According to the Standard Penetration Test <br /> Fill material No.of Blows Granular No.of Blows Cohesive <br /> Sand 0 <br /> ry 0-4 Very loose <2 Very soft <br /> Silt Shale 5-10 <br /> Loose 3-4 Soft <br /> ® <br /> 11-20 Semicompact 5-8 Medium <br /> Clay '.•`. Sandstone <br /> 21-30 Compact 9-15 Stiff <br /> Sandy clay or <br /> clayey sand Limestone 31-50 Dense 16-30 Very stiff <br /> Sandy silt or Metamorphic <br /> >50 Very dense >30 Hard <br /> ' silty sand rock <br /> Where standard penetration test has not been performed, <br /> I consistencies shown on logs are estimated. <br /> Silty clay or Igneous rock <br /> clayey silt <br /> LEGEND OF BORING <br /> Depth Sample <br /> In Ne Material D—pn., <br /> Feel symbol <br /> Conformable Material Change <br /> 411"1-1 �--Sample Location Approximate Material Change <br /> Unconformable Material Change <br /> 6 --casing set _ _ _ _ _ _ _ _ _ Stephen G. Muir <br /> G.W.S. = Ground Water Surface 16ate Observed Consulting Geologist&Geophysicist <br /> Bottom of Boring Lustre-Cal Nameplate Corp. <br /> 110 E.Turner Road,Lodi,California <br /> Unified Soil Classification System <br /> August 2007 1Table 2 <br />