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Table 1 <br /> Residue Characterization Results <br /> PG&E Stockton former MGP Site <br /> Forward Landfill's <br /> Acceptance <br /> Source Area 1 Source Area 2 Source Area 3 Units Level <br /> Sample Depth 15-20' 8-16' 3-7' <br /> Sample Date 4/8/98 4/8/98 4/8/98 <br /> PNAs <br /> Napthalene 0.45 U 5.6 D 1200 mg/Kg N <br /> Acenaphthylene 0.45 U 0.45 450 U mg/Kg N <br /> Acenaphthene 0.45 U 0.69 450 U mg/Kg N <br /> Fluorene 0.045 U 0.067 180 mg/Kg N <br /> Phenanthrene 0.074 0.52 D 1900 D mg/Kg N <br /> Anthracene 0.023 0.087 D 320 mg/Kg N <br /> Fluoranthene 0.118 0.37 D 1300 D mg/Kg N <br /> Pyrene 0.151 0.49 D 1600 D mg/Kg N <br /> Benzo(a)anthracene 0.022 0.099 D 280 mg/Kg N <br /> Chrysene 0.069 0.12 D 290 mg/Kg N <br /> Benzo(b)flouranthene 0.065 0.12 240 mg/Kg N <br /> Benzo(k)flouranthene 0.022 U 0.047 99 mg/Kg N <br /> Benzo(a)pyrene 0.068 0.18 D 340 mg/Kg N <br /> Dibenzo(a,h)anthracene 0.045 U 0.05 70 mg/Kg N <br /> Benzo(g,h,i)perylene 0.076 0.19 D 220 mg/Kg N <br /> indeno(1,2,3-cd)pyrene 0.096 0.22 D 310 mg/Kg N <br /> Total PNAs 0.762 9.3 8,349 mg/Kg N <br /> Total cPNAs 0.32 0.836 1,629 mg/Kg N <br /> BETX/rPH <br /> Benzene -TCLP 0.025 U 0.054 19 mg/L 0.5 mg/L (TCLP) <br /> Benzene 0.0067 U 0.33 D 180 D mg/Kg N <br /> Toluene 0.0067 U 0.012 9.2 mg/Kg N <br /> Ethylbenzene 0.0067 U 0.012 180 D mg/Kg N <br /> Xylenes (total) 0.0067 U 0.01 68 mg/Kg N <br /> MTBE 0.0067 U 0.0067 U 0.83 U mg/Kg N <br /> TPH-gasoline 1.3 U 1.9 1500 D mg/Kg N <br /> TPH-diesel 14 U 31 63,000 mg/Kg N <br /> TTLC Metals <br /> Cadmium 0.94 0.65 0.78 mg/Kg 100 mg/Kg <br /> Chromium 28.6 38.6 22.3 mg/Kg 2500 mg/Kg <br /> Lead 399 52.3 164 mg/Kg 1000 mg/Kg <br /> Nickel 20.7 28.9 27.2 mg/Kg 2000 mg/Kg <br /> Zinc 109 65.2 127 mg/Kg 5000 mg/Kg <br /> Notes: <br /> U: Not detected above reporting level <br /> E: Estimated value <br /> D: Diluted sample <br /> N: No acceptance level specified <br /> residuecharAs 8/10/98 <br />