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As-Built CQA Report for the Construction of Area 2A at the Foothill Sanitary Landfill <br /> San Joaquin County,California <br /> Field density tests were performed on the granular backfill in the trench at a frequency of one test <br /> per lift. Density and moisture content tests indicated the backfill met the required minimum <br /> relative compaction of 90 percent based on ASTM D1557. Relative compaction results for the <br /> granular backfill are included in Table 3. <br /> PA14 Projects114-101(SJCDPW North County and Foothillffoothill CQA1Report\Final ReporhFoothill CQA Rport-Final.docx <br /> 13 <br />