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Geological Audit Services, Inc. <br /> v�V= 1803 W. March Lane, Suite A•Stockton, CA 95207•(209) 956-0264• FAX(209)956-0700 <br /> Ow 23 March 1992 <br /> GeoAudit CV 43C5-1. 3 <br /> Mr. Steve Schneider, REHS <br /> Environmental Health Division <br /> San Joaquin County <br /> 445 N. San Joaquin St. <br /> Stockton, CA 95201 <br /> Subject: Disposal of Contaminated Soil at Mid-Cal Leasing <br /> 1634 E. Channel St. <br /> Stockton, CA 95205 <br /> Dear Mr. Schneider: <br /> in response to your further inquiry, James Hoblitzell of Falcon <br /> Energy Associates and I have discussed the disposal of contaminated <br /> sail removed during the remediation activities at the referenced <br /> property last year. We believe we have resolved the discrepency of <br /> approximately 270 cubic yards in the amount of soil removed and <br /> transported, as reported. in Geological Audit's Final Report <br /> submitted 2 January 1992. <br /> In my final report, I enclosed a copy of the disposal contract <br /> between Forward Landfill and Mr. Ed Gotelli. This contract was <br /> written on 4 September 1991, before transport of the soil, and was <br /> based on an estimated volume of 450 cubic yards of soil. <br /> Also enclosed with my report was a copy of the invoice submitted to <br /> Falcon Energy by Bob Evans Trucking for the amount of soil that was <br /> actually delivered to Forward. A total of six truckloads, or <br /> approximately 150 cubic yards, was taken to Forward. This amount is <br /> within 30 cubic yards of my estimate of 180 yards, as reported in <br /> the Final Report. That estimate was based on the dimensions of the <br /> main part of the excavation (approximately 15 ft x 12 ft x 21 ft = <br /> 140 cubic yards) plus the smaller addition in the northwest corner, <br /> which I estimated to be 5 ft x 10 ft x 22 ft = 40 cubic yards. <br /> It is likely that the estimate of the soil removed in the northwest <br /> corner is somewhat excessive; dimensions of 3 ft x 8 ft x 22 ft = <br /> 20 cubic yards are probably more accurate. This would bring the <br /> total to 160 yards, which is close to Evans Trucking's estimate for <br /> the amount of transported soil. Hence, it is our conclusion that <br /> 150-160 cubic yards of soil were removed and transported to Forward <br /> Landfill. <br /> I hope this clears up the confusion regarding this matter and the <br /> it will be possible to close this site expeditiously. <br /> Environmental Services• Hydrogeology•Geotechnical Services <br />