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c� <br /> NO <br /> Table of Figures <br /> Figure 1. Angered, permanent multilevel soil vapor sampling probe(by Chuck Zuspan, <br /> CVXETC)...................................................................................................................7 <br /> Figure 2. Direct-push soil vapor sampling probe(implant type; Geoprobe®)...................9 <br /> Figure 3. Direct-push soil vapor sampling probe(Post Run Tubing System,PRT; <br /> Geoprobe1)............................................................................................................... 11 <br /> Figure 4. Drilling through a slab(left),and inner and outer holes(right;EPA). ............ 13 <br /> Figure 5. General schematic of sub-slab vapor probe(EPA).......................................... 13 <br /> Figure 6. Stainless steel sub-slab vapor probe components(EPA). ................................ 13 <br /> Figure 7. Completed sub-slab vapor probe (EPA)........................................................... 14 <br /> Figure 8. Schematic illustration of sub-slab vapor sampling probes in a basement(EPA). <br /> ................................................................................................................................... 14 <br /> Figure 9. Swagelok®connectors(image from equipsales.com)...................................... 15 <br /> Figure 10. 6 L Summa canister(image from Air Toxics Ltd.)...................................... 16 <br /> Figure 11. Equipment arrangement for soil vapor purging and sampling(by Chuck <br /> Zuspan, CVX ETC)...................................................................................................20 <br /> Figure 12. Range of flow rates for given sampling time intervals using the Air Toxics <br /> Ltd. Flow controller(from Air Toxics Ltd.)..............................................................21 <br /> Figure 13. Depth profile of benzene, 02,and CO2(by Chuck Zuspan,CVX ETC)........24 <br /> ETC Soil Vapor Sampling Technical Toolkit 3 <br /> Version 1.4,September 7, 2005 <br />