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with the drawings and specifications irito excavated or open underground workings. Golder <br />previously obtained samples of SSF, CP, and CR for laboratory testing. Materials supplied met <br />specifications. Ground Engineering conducted field testing and sampling of CP concrete as per <br />specifications, and will supply 28-day strength results. <br />Golder observed and documented excavation and remediation activities associated with the Phase IV <br />underground working construction. Full time monitoring was given to excavation of underground <br />workings. <br />Golder observed and documented confirmation drilling activities associated with the Phase IV <br />construction. Full time monitoring was given to confirmation drilling of underground workings <br />including logging holes, marking drill locations, surveying holes, and documenting underground <br />workings encountered. <br />Golder provided full time observation of DCF removal from the edge of the Phase I and Phase III <br />geomembrane for defects outside of the Phase Ntie-in. Defects outside of the Phase Ntie-in were <br />marked for repair. <br />Laboratorv Test Results <br />Golder obtained QA sample SFb-08 from materials being placed as Structural Fill in Phase Nb. <br />Material met project specifications. Test results aze presented in Attachment B. <br />Meetines <br />CC&V held Weekly Contractors meetings on March 26~' and April 2"d. Items discussed include <br />Safety, Environmental, Schedule, and CQA. The next weekly meeting will be held on April 9~h, <br />2002 at 10:00 AM. <br />Golder Personnel On-Site <br />A summary of all Golder CQA personnel on site during this reporting period is presented in <br />Attachment C. <br />Sincerely, <br />Bob Nichols <br />Resident CQA Monitor <br />PheselVa 50 h4rchlAApnl6.doc Golder Associates inc. <br />