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gB <br /> amety <br /> Y <br /> TABLE 4 <br /> SUMMARY OF ANALYTICAL RESULTS FOR TPH,VOCs,AND PAHs IN SOIL MOUND SAMPLES <br /> 990 Beechnut Avenue Property <br /> Tracy, California <br /> Concentrations reported in milligrams per kilogram(mg/kg) <br /> Total <br /> Petroleum Volatile Organic Compounds Pol c tic Aromatic Hydrocarbons <br /> Sample Benzo(b) Benzo(k) Benzo Indeno <br /> Boring Depth Sample Ethyl- Acenaph-Acenaph- Benzo(a) Benzo(a) fluoran- ftuoran- (g,h,i) Dibenz(a,h) Fluoran- (1,2,3-ed) Naph- Phenan- I <br /> ID fleet b s Collected by Date TPHc TPHog Benzene benzene Toluene Xylenes thene thylene Anthracene anthracene pyrene thene thene perylene Chrysene anthracene thene. Fluorene pyrene thalene threne Pyrene B a P TEQ <br /> B-1 1.3 Dames&Moore 8188 -- 85 � - - - -- -- -- -- -- - - - -- -- - - -« <br /> ! B-1 13.2' Dames&Moore 8188 <50 <br /> GMX-07 1.0 Geomatrix 5/8/2001 <50 -- <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.005 <0,005 <0.005 <0.005 '0.005 0.405 0.0044 <br /> GMX-07 6.5 Geomatrix 5/8/2001 <50 - <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 ND <br /> GMX-07 17.0 Geomatrix 5/8/2001 <50 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 ND <br /> GMX-21 2A Geomatrix 9/2/2003 <50 <0.005 <0,005 <0.005 <0.005 <0,005 <0.005 <0,005 <0.005 <0.005 -<d.--00-5 -<0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 ND <br /> GMX-22 2.0 Geomatrix 9/2/2003 950 -- '0.005 <0.005 '0.005 '0.005 '0.005 '0.005 '0.005 0.0057 0.414 '0.005 '0.005 0.01 0.0059 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.016 <br /> Residential Screening Level 1,000 -- -- - - -- -- - - - - - -- 1.3 -- -- 0.038 <br /> Commercial Screening Leveh 2,500 -- -- -- -- - - -- - - - - -- - -- -- 2.8 - -- 0.13 <br /> Notes: <br /> I 1 Dames and Moore report indicates that this is a"composite"sample but does not provide information about what depths the sample was composited from. Depth shown was that specified in the Dames and Moore report. <br /> i2 Based on Geomatrix Consultants,Inc.'2008 Screening Level Risk Assessment,990 Beechnut,Tracy,California, <br /> Abbreviations: <br /> B(a)P TEQ=Benzo(a)pyrene Toxic Equivalency Factor <br /> -=not analyzed or not applicable <br /> • <=not defected at or above the laboratory reporting limit <br /> a <br /> bgs=below ground surface <br /> ND=not detected t <br /> PAH W polycylic aromatic hydrocarbon <br /> TPHc=total petroleum hydrocarbons quantified as crude oil i <br /> TPHog=total petroleum hydrocarbons quantified as oil and grease <br /> VOC=volatile organic compound <br /> { <br /> I <br /> l <br /> i <br /> I:tdoc_Safel6g00s56628.00113000 REPORTS1Excavalion Work Mart 8.12.08{2 TahlesWahles 1 through 4 AMSC Geomatrix, Inc. <br />