NOTICE

This document was prepared by a National Network of Environmental Management Studies grantee under a fellowship from the U.S. Environmental Protection Agency. This report was not subject to EPA peer review or technical review. EPA makes no warranties, expressed or implied, including without limitation, warranties for completeness, accuracy, usefulness of the information, merchantability, or fitness for a particular purpose. Moreover, the listing of any technology, corporation, company, person, or facility in this report does not constitute endorse-ment, approval, or recommendation by EPA. Whole-Cell Bacterial Biosensors and the Detection of Bioavailable Arsenic ii FOREWORD Arsenic can be found at most sites on the National Priority List and at the top of the Agency fo