Editorial

Sampling and Analyses – Key Steps of a Forensics Investigation
By Ioana G. Petrisor

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