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TABLE 1 DOANE PRODUCTS INCORPORATED 450 EAST GRANTLINE ROAD ` TRACY,CALIFORNIA EXCAVATION SOIL CONFIRMATION ANALYTICAL RESULTS Sample TPH-diesel Benzene Toluene Ethyl Benzene Xylene Date Name (mg/kg) (gg/kg) (pg/kg) (tig/kg) (µg/kg) Comments 12/9/91 1A@9' 1200 ND ND ND 49 Over Excavated to remove soils below water table 12 F9/91 2A@9' 32 ND ND ND ND Over Excavated to remove soils below water table 12/9/91 3A@9' 68 ND ND ND ND Over Excavated to remove soils below water table 12/9/91 4A @ 9' 41 ND ND ND ND Over Excavated to remove soils below water table 12/9/91 5A@9' 760 ND ND ND 15 Over Excavated to remove soils below water table 12/9/91 6A @ 9' 4700 ND ND 48 100 Over Excavated to remove soils below water table 12/9/9I 7A @ 9' 4100 ND 15 40 84 Over Excavated to remove soils below water table 12/9/91 8A @ 9' 29 ND ND ND ND Over Excavated to remove soils below water table- 12/10/91 ab e12 10 91 SW 1 @ 8' 1100 ND ND ND 17 Over excavated-resam led as SW-13 127-6-19-1 SW 2 @ 9' ND ND ND ND I ND Final Confirmation Sample 12/10/91 SW 3 @ 8' 17 ND ND ND ND Over excavated** 12/10/91 SW 4 @ 9' ND ND ND ND ND Final Confirmation Sample 12/10/91 1 SW 5 @85 70 ND ND D ND Over excavated-resam 1 as SW4 and SW-10 12/10/91 SW 6 @ 8' 250 ND ND ND NO Over excavat -resasn ed as SW-11 12/10/71— 9W- 7@8' 150 ND ND ND ND I Over excavate -resam led as SW-12 12/10/91 SW 8 @ 9' ND ND ND ND ND Final Confirmation Sam le 12/10/91 SW 9@9' ND ND I ND ND ND Final Confirmation Sample 12/10/91 SW 10 @ 9' ND ND I ND ND ND Final Confirmation Sam !e 12/10/91 SW 11 @ 8 5' ND ND ND ND ND Final Confirmation Sam le 12/10/91 SW 12 @ 9' ND ND ND ND ND Ifinal Confirmation Sample 12/11/91 5W 13 1 40 ND I ND ND I ND I Final Confirmation Sample Notes ND=not detected at concentrations greater than reporting limit **See dmusion in text for description of over excavation BRUNSING ASSOCIATES, INC 4 f�\�"� PAGE 1 OF 2 '�`