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Geomatrix
<br /> TABLE 1
<br /> SUMMARY OF SAMPLE COLLECTION AND ANALYTICAL PROGRAM
<br /> TAOC Tracy Gravel Pits
<br /> Tracy, California
<br /> Sample
<br /> Boring Sampling Location Depths
<br /> Name Rationale (ft bgs) Performed Analyses
<br /> Located near northwestern property boundary for the 2 TPHd,TPHmo,PAHs,metals
<br /> GMX-24 collection of groundwater and confirmation of lateral 4.5 TPHd,TPHmo,PAHs,metals
<br /> extent of petroleum hydrocarbons in soil. Located near 10.5 TPHd,TPHmo,PAHs
<br /> former railroad spur. GW TPHg,TPHd,PAHs,VOCs
<br /> Located near northern property boundary for the 1.5 TPHd,TPHmo,PAHs
<br /> GMX-25 collection of groundwater and confirmation of lateral 5 TPHd,TPHmo,PAHs
<br /> extent of petroleum hydrocarbons in soil. 10.5 TPHd,TPHmo,PAHs
<br /> GW TPHg,TPHd,PAHs,VOCs
<br /> 1 TPHd,TPHmo,PAHs
<br /> Located near eastern property boundary for the 4.5 TPHd,TPHmo,PAHs
<br /> GMX-26 collection of groundwater and confirmation of lateral
<br /> extent of petroleum hydrocarbons in soil. 10.5 TPHd,TPHmo,PAHs
<br /> GW TPHg,TPHd,PAHs,VOCs
<br /> 1.5 ITPHd,TPHmo,PAHs
<br /> Located in the area of known petroleum hydrocarbon 5 TPHd,TPHmo, PAHs,dioxins and furans
<br /> impacts in soil for the collection of deep soil(15 ft to
<br /> '• GMX-27 15.5 ft)to define vertical extent of soil impacts and the 10.5 TPHd,TPHmo,PAHs
<br /> collection of groundwater. Impacted samples assessed 11.5 TPHd,TPHmo,PAHs,dioxins and furans
<br /> for dioxins and furans. 16.5 TPHd,TPHmo,PAHs
<br /> GW TPHg TPHd,PAHs,VOCs
<br /> 1.5 TPHd,TPHmo,PAHs
<br /> Located near western property boundary for the 4.5 TPHd,TPHmo,PAHs
<br /> GMX-28 collection of groundwater and confirmation of lateral
<br /> extent of petroleum hydrocarbons in soil. 10.5 TPHd,TPHmo,PAHs
<br /> GW TPHg,TPHd,PAHs,VOCs
<br /> Located near southern property boundary for the 1.5 TPHd,TPHmo,PAHs
<br /> GMX-29 collection of groundwater and confirmation of lateral 7.5 TPHd,TPHmo,PAHs
<br /> extent of petroleum hydrocarbons in soil. 10.5 TPHd,TPHmo,PAHs
<br /> GW NOT ENCOUNTERED
<br /> GMX-30 Located to provide spactial coverage in the western 1.5 TPHd,TPHmo,PAHs
<br /> section of the site. Located near property boundrary. 4.5 TPHd,TPHmo,PAHs
<br /> 10.5 TPHd,TPHmo,PAHs
<br /> GMX-31 Located in a visibly stained area of the site(1957 aerial 1.5 TPHd,TPHmo,PAHs,metals
<br /> photograph). Located near former railroad spur. 4.5 TPHd,TPHmo,PAHs,metals
<br /> 10.5 TPHd,TPHmo,PAHs
<br /> 1 TPHd,TPHmo,PAHs,metals,dioxins and furans
<br /> GMX-32 Located near former railroad spur. 5 TPHd,TPHmo, PAHs,metals
<br /> 10.5 TPHd,TPHmo,PAHs
<br /> 1.5 TPHd,TPHmo,PAHs,metals
<br /> GMX-33 Located near former railroad spur. 4.5 TPHd,TPHmo,PAHs,metals
<br /> 10.5 TPHd,TPHmo,PAHs
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