REMEDIATION OF CHROMATE-CONTAMINATED GROUND WATER USING ZERO-VALENT IRON: FIELD TEST AT USCG SUPPORT CENTER, ELIZABETH CITY, NORTH CAROLINA

R.W. Puls1, C.J. Paul1, and R.M. Powell2, 1Robert S. Kerr Environmental Research Laboratory, USEPA, Ada, OK, 74820, Phone: 405-436-8543, Email: Puls@ad3100.ada.epa.gov, and 2ManTech Environmental Research Services Corporation, Ada, OK, 74820

ABSTRACT A field test was conducted near an old hard-chrome plating facility on the USCG Support Center near Elizabeth City, North Carolina, to evaluate the in situ remediation of ground water contaminated by hexavalent chromium using a passive permeable reactive barrier composed of a zero-valent iron-sand-aquifer material mixture. The remedial effectiveness of this innovative in situ technology was monitored over a one-year period. The success of this small-scale test has prompted a full-scale implementation of the technology at the site for late Spring 1996.

KEYWORDS: zero-valent iron, in situ reactive barrier walls, chromate, geochemical indicators

This paper is from the Proceedings of the HSRC/WERC Joint Conference on the Environment, May 1996, published in hard copy and on the Web by the Great Plains/Rocky Mountain Hazardous Substance Research Center.

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