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Inwood 10 LLC <br />Project B14-08413 <br />December 3, 2014 <br />Page 14 <br />E.Procedures <br />E.1.Penetration Test Borings <br />The penetration test borings were drilled with a floatation tired-mounted core and auger drill equipped <br />with hollow-stem auger. The borings were performed in accordance with ASTM D 1586. Penetration test <br />samples were taken at 2 1/2- or 5-foot intervals. Actual sample intervals and corresponding depths are <br />shown on the boring logs. <br />E.2.Material Classification and Testing <br />E.2.a.Visual and Manual Classification <br />The geologic materials encountered were visually and manually classified in accordance with ASTM Test <br />Method D 2488. A chart explaining the classification system is attached. Samples were sealed in jars and <br />returned to our facility for review and storage. <br />E.2.b.Laboratory Testing <br />The results of the laboratory tests performed on geologic material samples are noted on or follow the <br />appropriate attached exploration logs. The tests were performed in accordance with ASTM procedures. <br />E.3.Groundwater Measurements <br />The drillers checked for groundwater as the penetration test borings were advanced, and again after <br />auger withdrawal. The boreholes were then backfilled as noted on the boring logs. <br />F.Qualifications <br />F.1.Variations in Subsurface Conditions <br />F.1.a.Material Strata <br />Our evaluation, analyses and recommendations were developed from a limited amount of site and <br />subsurface information. It is not standard engineering practice to retrieve material samples from <br />exploration locations continuously with depth, and therefore strata boundaries and thicknesses must be