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Geomatrix
<br /> TABLE A-1
<br /> SUMMARY OF SAMPLE COLLECTION
<br /> AND ANALYTICAL PROGRAM NOVEMBER 2003
<br /> TAOC Tracy Gravel Pits
<br /> Tracy, California
<br /> Sample
<br /> Boring Depth
<br /> Name Sampling Location Rationale (ft.bgs) Performed Analyses
<br /> Located in a visibly stained area near the 1 TPHd,TPHmo,PAHs,metals,pesticides
<br /> GMX-15 southwestern section of the site(1957 5 TPHd,TPHmo,VOCs,PAHs,metals,pesticides
<br /> aerial photograph). 10 VOCs
<br /> Located to provide spatial coverage of 1 TPHd,TPHmo,PAHs,metals,pesticides
<br /> GMX-16 southern extent of property. 5 TPHd,TPHmo,VOCs,PAHs,metals,pesticides
<br /> 10 VOCs
<br /> Located to provide spatial coverage of I TPHd,TPHmo,PAHs,metals,pesticides
<br /> GMX-17 5 TPHd,TPHmo,VOCs,PAHs,metals,pesticides
<br /> southern extent of property. 10 VOCs
<br /> Located to provide spatial coverage of I TPHd,TPHmo,PAHs,metals,pesticides
<br /> GMX-18 southern extent ofro rt 5 TPHd,TPHmo,VOCs,PAHs,metals,pesticides
<br /> p y 10 VOCs
<br /> Located in an area depicted by several I TPHd,TPHmo,PAHs,metals,pesticides
<br /> GMX-19 above ground features depicted in rows 5 TPHd,TPHmo,VOCs,PAHs,metals,pesticides
<br /> (1975 aerial photograph). 10 VOCs
<br /> Located to provide spatial coverage of 1 TPHd,TPHmo,PAHs,metals,pesticides
<br /> GMX-20 5 TPHd,TPHmo,VOCs,PAHs,metals,pesticides
<br /> northwestern section of property. 10 VOCs
<br /> I TPHd,TPHmo,PAHs,metals
<br /> GMX-21 Located in vicinity of soil mound. 5 TPHd,TPHmo,VOCs,PAHs,metals
<br /> 10 VOCs
<br /> Boring not advanced. No debris found
<br /> in soil mound. Samples collected from
<br /> GMX-22 boring GMX-23 considered sufficient NA NA
<br /> for characterization.
<br /> 1 TPHd,TPHmo,PAHs,metals
<br /> GMX-23 Located in vicinity of soil mound. 5 TPHd,TPHmo,VOCs,PAHs,metals
<br /> 10 VOCs
<br /> GMX-OWNE oily waste fragments in northern area NA TPHd,TPHmo,PAHs,dioxin/furan,PCP,metals,VOCs
<br /> GMX-OWNW oily waste fragments in southern area NA PAHs,dioxin/furan
<br /> Notes:
<br /> ft bgs=feet below ground surface
<br /> NA=Not Applicable
<br /> PAHs=polynuclear aromatic hydrocarbons
<br /> PCP=pentachlorophenol
<br /> TPHd=total petroleum hydrocarbons as diesel
<br /> TPHmo=total petroleum hydrocarbons as motor oil
<br /> VOCs=volatile organic compounds
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