Editorials

Fingerprinting in Environmental Forensics
By Ioana G. Petrisor

A Sluggish Response to a Smoldering Problem
By Christopher M. Reddy

Short Communication

A Survey of Soil Sample Handling Procedures of State Pesticide Regulatory Agencies
By George N. Saxton and Bernie Engel

Contributed Articles

Combustion-Derived Polycyclic Aromatic Hydrocarbons in the Environment – A Review
By Ana Lúcia C. Lima, John W. Farrington, and Christopher M. Reddy

A Review of the Formation, Environmental Fate, and Forensic Methods for PAHs from Aluminum Smelting Processes
By Pieter Booth and Kirk Gribben

Polycyclic Aromatic Hydrocarbons from Steelmaking
By Satish Almaula

Environmental Forensics Aspects of PAHs from Wood Treatment with Creosote Compounds
By Brian L. Murphy and John Brown

Manufactured Gas Plants—Processes, Historical Development, and Key Issues in Insurance Coverage Disputes
By Brian L. Murphy, Taryn Sparacio, and Walter J. Shields

Discussion of the Error Associated with Polycyclic Aromatic Hydrocarbon (PAH) Analyses
By James E. Bruya and Michele Costales

The Use of Isoprenoid Ratios to Calculate Percentage Mixing of Different Distillate Fuels Released to the Environment
By Michael J. Wade

Microbial Forensics: Applications in Bioterrorism
By Priyabrata Pattnaik and Asha Mukul Jana

Forensic Identification of Anthropogenic and Naturally Occurring Sources of Perchlorate
By P. Brent Duncan, Robert D. Morrison, and Emily Vavricka

Invited Editorials

Dendroecology: A Key Forensic Age-Dating Tool
By Jean Christophe Balouet

René Descartes and the Forensic Scientist
By Gil Oudijk

Laser Ablation ICP-MS: A New Elemental and Isotopic Ratio Technique in Environmental Forensic Investigation
By A. Mohamad Ghazi

Technical Note

Forensic Approaches and Considerations in Identifying PAH Background
By Helder J. Costa and Theodor C. Sauer, Jr.

Introductory Comment on Sampling Topic

The Role of Representativeness in the Project Life Cycle
By John P. Maney and A. Dallas Wait

Contributed Articles on Sampling Topic

Representativeness of Environmental Samples
By John Warren

Role of Sampling Designs in Obtaining Representative Data
By Richard O. Gilbert and Brent A. Pulsipher

Role of Laboratory Sampling Devices and Laboratory Subsampling Methods in Representative Sampling Strategies
By John M. Nocerino, Brian A. Schumacher, and Cutris C. Dary

Representative Sampling for Energetic Compounds at Military Training Ranges
By Thomas F. Jenkins, Alan D. Hewitt, Marianne E. Walsh, Thomas A. Ranney, Charles A. Ramsey, Clarence L. Grant, and Kevin L. Bjella

Soil Sampling in NAPL Source Zones: Challenges to Representativeness
By Stanley Feenstra

Data Representativeness for Risk Assessment
By Rosemary Mattuck, Richard Blanchet, and A. Dallas Wait

A Methodology for Assessing Sample Representativeness