HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via ISI Web of Science (3) Citing Articles via Google Scholar Google Scholar Articles by Oostrom, M. Articles by Wietsma, T. W. Search for Related Content PubMed Articles by Oostrom, M. Articles by Wietsma, T. W. GeoRef GeoRef Citation Agricola Articles by Oostrom, M. Articles by Wietsma, T. W. Related Collections Volatile Organic Compounds Experiment Design

Removal of Carbon Tetrachloride from a Layered Porous Medium by Means of Soil Vapor Extraction Enhanced by Desiccation and Water Table Reduction

^a Environmental Technology Division, Pacific Northwest National Lab., P.O. Box 999, MS K9-33, Richland, WA 99354
^b Dep. of Agronomy and Soils, Auburn Univ., Auburn, AL 36849-5412
^c Environmental Molecular Sciences Lab., Pacific Northwest National Lab., P.O. Box 999, MS K8-96, Richland, WA 99354

View larger version (20K): [in a new window]   Fig. 1. Overview of intermediate-scale flow cell (i.l. = injection location; e.l. = extraction location).

View larger version (103K): [in a new window]   Fig. 2. Photograph of initial water distribution.

View larger version (38K): [in a new window]   Fig. 3. Measured initial water saturations.

View larger version (96K): [in a new window]   Fig. 4. Photographs of DNAPL infiltration and redistribution.

View larger version (28K): [in a new window]   Fig. 5. Measured (a) total DNAPL and (b) carbon tetrachloride saturations for equilibrium distribution following the spill.

View larger version (36K): [in a new window]   Fig. 6. Measured carbon tetrachloride saturations after (a) wet soil vapor extracton (WSVE) I, (b) WSVE II, (c) WSVE III, and (d) WSVE IV.

View larger version (20K): [in a new window]   Fig. 7. Outflow carbon tetrachloride concentrations after (a) wet soil vapor extracton (WSVE) I, (b) WSVE II, (c) WSVE III, and (d) WSVE IV.

View larger version (31K): [in a new window]   Fig. 8. Measured (a) carbon tetrachloride and (b) water saturations after water table reduction.

View larger version (60K): [in a new window]   Fig. 9. Photographs of the flow cell after (a) dry soil vapor extracton (DSVE) I, (b) DSVE II, and (c) DSVE III.

View larger version (25K): [in a new window]   Fig. 10. Measured (a) carbon tetrachloride and (b) water saturations after dry soil vapor extracton (DSVE) I.

View larger version (39K): [in a new window]   Fig. 11. Measured (a) carbon tetrachloride and (b) water saturations after dry soil vapor extracton (DSVE) II.

View larger version (18K): [in a new window]   Fig. 12. Measured (a) carbon tetrachloride and (b) water saturations after dry soil vapor extracton (DSVE) III.