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Phase IV Weekly Summary No. 30 Page 3 003-2203 Field Monitoring and Testing Activities Golder monitored SF placement in all the Phase IV azeas, including, verification of lift thickness, material, compactive effort, particle size, and temperature for compliance with the drawings and specifications. Two nuclear moisture-density tests were performed on the Phase IVa southern access road construction. Tests SFNa-O1 and SFNa-02 passed per project specification, as the material placed was testable per ASTM D698. No nucleaz moisture density tests were performed on the Phase IVb LOB azea during this reporting period, as material was un-testable per ASTM D698. One sample of SF were collected (SFa-OS) from the Phase IVa area and transported to the Golder trailer for index testing. Laboratory testing verified that materials being placed were testable per ASTM D698, proctorable. Grain-size results for SFa-OS passed SF specification. Golder observed the removal of oversized and deleterious material from all fill azeas. Golder observed and recorded confirmation drilling and excavation remediation of underground e workings in the all Phase IV azeas during this reporting period. Laboratory Test Results Golder conducted one proctor, grain-size, and atterberg limits on sample SFa-O5. Results indicated a passing SF specification for grain-size and atterberg limits, and was deemed testable for compaction testing (ASTM D-698). (See Attachment B for laboratory testing results.) • Meetings CC&V held a Weekly Contractor meeting on August 28a'. Items discussed include Safety, Environmental, Schedule, and CQA. The next weekly meeting will be held on September Su', 2001 at 10:00 AM. Golder Personnel On-Site A summary of all Golder CQA personnel on site during this reporting period is presented in Attachment C. Sincerely, Bob Nichols Resident CQA Monitor PM1UeIVa 30 Aug365eptl.d~c Golder Associates inc.