Editorial
Letter From The Editor: Promoting Environmental Forensics Through ISEF Workshops
Robert D. Morrison and Ioana Petrisor

Invited Editorial: What is Environmental Forensics?
Robert I. Haddad

Contributed Papers

Solubility, Sorption And Soil Respiration Effects Of Tungsten And Tungsten Alloys
By Dimitris Dermatas, Washington Braida, Christos Christodoulatos, Nikolay Strigul, Nikolay Panikov, Michael Los, and Steven Larson                 

Tracking Sources of Fecal Pollution in a South Carolina Watershed by Ribotyping Escherichia coli:  A Case Study
By Troy M. Scott, Joel Caren, G. Ross Nelson, Tracie M. Jenkins, and Jerzy Lukasik

Evaluation of Environmental Samples Containing Heavy Hydrocarbon Components in Environmental Forensic Investigations
By Joseph C. Raia, Calvin R. Blakley, Anthony N. Fuex, Dan C. Villalanti, and Paul D. Fahrenthold

An Empirical Analysis of the Groundwater-to-Indoor-Air Exposure Pathway:  The Role of Background Concentrations in Indoor Air

By Thomas E. McHugh, John A. Connor, and Farrukh Ahmad

Use of Degradation Rates of DDT and Lindane Isomers for Determining the Timing of Release To Sediments of Greens Bayou: Houston Ship Channel, TX
By William J. Walker, Cindy G. Schreier, and Lara E. Pucik