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Table 1 <br /> Sample Testing Matrix <br /> Pre-Design Data Collection Work Plan- Former OCC, Lathrop <br /> LABORATORY TEST ASTM NUMBER PURPOSE <br /> DESIGNATION <br /> Compaction D1557 1 Strength of compacted soil if onsite soil used as engineered fill. <br /> Moisture Content/Dry D2937 20 Subsurface characterization,foundation design. <br /> Density <br /> Grain size D422 15 Subsurface characterization,liquefaction analyses. <br /> Atterberg limits D4318 15 Subsurface characterization, liquefaction analyses,consolidation <br /> settlement. <br /> Consolidation D2435 10 Consolidation settlement,foundation design. <br /> Unconsolidated D2850 10 Strength of natural soils,foundation design. <br /> Undrained Triaxial test <br />