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Mary Meays, Senior RENS �04 March 18, 1993 <br /> Fleld Notes 1320 W.Weber <br /> WHF Environmental representative, Ross Gruenwald,sampling the backfill area He labeled the <br /> approximate location of BF-7 - <br /> Collected sample BF-8 and BF-9 from the stockpile. I estimate approximately 450 cubic yards of treated <br /> soil has been stockpiled to be used as backfill for the excavation. <br /> Neil Adamson operating the excavator. Excavation curves on the south end back-west four soil samples <br /> will be collected. Sample depth will range between 10 and 14 feet. Depth at which contamination in that <br /> area had previously been detected. <br /> X-14 collected - Some odor was observed in the bucket from which the sample was collected - Sample was <br /> collected at approximately 11:38 a.m. <br /> X-13 was collected at 11:30 a.m. No odor observed <br /> X-10 collected at approximately 11:45 a.m. No odor observed - Sample collection 11 feet <br /> X11 was collected at 11:45 a.m. and at 11 feet. Numbering difficult because we are moving backwards. <br /> BF-10 collected at 1:35 p.m. The amount of soil that is being stockpiled for use as backfill in the treated <br /> area is complete. Any additional stockpiling will be south of the treated area and will not require <br /> sampling. <br /> BF-11 collected at 1:38 p.m. from stockpile. That will be the last BF sample collected. <br /> Discussed beginning sampling of excavated soil for characterization. Stockpile measurements from north <br /> to south on the western boundry was measured 115 feet - measured off 120 Stockpile compaction east of <br /> the 120 mark continues Excavation to remove a corner of contamination in the south-west of the <br /> excavation began. They do not expect to begin excavating in the area of the street until tomorrow <br /> morning. At 3:30 p.m. today they will stop and cover the stockpiled soil. It is now about 2:00 p.m. <br /> Spoke with Ross Grunwald at 2:20 p.m. He anticipates sampling the southern and western boundary of <br /> the excavation in approxcimately 15 minutes. Gridded out 800 cubic yards of the stockpiled soil. He <br /> suggested that 15 samples be collected tomorrow morning to characterize the stockpiled soil. <br /> X-15 collected northern end of the south-west dig out, sloughing problem occurred because backfill from <br /> previous excavation encountered. Sample collected at 11 feet. <br /> X-16 collected at 13 feet at 2:55 p.m. Soil in bucket had obvious odor. Requested that bottom of <br /> excavation be cleaned out. <br /> X-17 collected in some discolored soil. Sampled collected at 11 feet <br />