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Report—Engineering Properties Absence of an entry indicates that the data were not estimated. The asterisk '*' denotes the representative texture; other possible textures follow the dash. The criteria for determining the hydrologic soil group for individual soil components is found in the National Engineering Handbook, Chapter 7 issued May 2007(http://directives.sc.egov.usda.gov/ OpenNonWebContent.aspx?content=17757.wba). Three values are provided to identify the expected Low (L), Representative Value (R), and High (H). Engineering Properties–San Joaquin County, California Map unit symbol and soil name Pct. of map unit Hydrolo gic group Depth USDA texture Classification Pct Fragments Percentage passing sieve number—Liquid limit Plasticit y index Unified AASHTO >10 inches 3-10 inches 4 10 40 200 In L-R-H L-R-H L-R-H L-R-H L-R-H L-R-H L-R-H L-R-H 162—Galt-Urban land complex, 0 to 1 percent slopes, MLRA 17 Galt 55 D 0-5 Clay CH A-7-6 0-0- 0 0-0- 0 100-100 -100 100-100 -100 93-93-1 00 75-75- 95 52-54 -75 29-30-4 4 5-13 Clay CH A-7-6 0- 0- 0 0- 0- 0 100-100 -100 100-100 -100 92-94-1 00 74-76- 94 52-54 -74 29-30-4 4 13-22 Clay CH A-7-6 0- 0- 0 0- 0- 0 100-100 -100 100-100 -100 83-93-1 00 71-81- 91 51-62 -72 29-37-4 4 22-32 Clay, silty clay CH A-7-6 0- 0- 0 0- 0- 0 100-100 -100 100-100 -100 83-93-1 00 71-81- 91 50-61 -72 28-36-4 4 32-60 Cemented material —————————— Urban land 35 0-6 Variable ————————0-7 -14 — Data Source Information Soil Survey Area: San Joaquin County, California Survey Area Data: Version 14, May 29, 2020 Engineering Properties---San Joaquin County, California G130.09-Valdovinos Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey Page 4 of 4