Editorial
Advances in Microbiology
By Ioana Petrisor and Christopher Kitts

Contributed Papers

Distribution, Fate and Behavior of Nonylphenol Ethoxylates and Degradation Products in the Dispersion Plume of a Major Municipal Wastewater Effluent
By Hassan Sabik, Christian Gagnon, François Houde, and Christian Deblois

A Comparison of Commonly Used Cyanide Analytical Methodologies for Manufactured Gas Plant (MGP) Applications
By James F. Occhialini, James C. Todaro, Joseph Clements, James Roth, Elena Dayn, Tamara Burke Devine, William R. Swanson, and Michael Rostkowski

Groundwater Effects from Highway Tire Shred Use
By Mary O'Reilly Brophy and Joseph Graney

Total Petroleum Hydrocarbons in Groundwater--Evaluation of Nondissolved and Nonhydrocarbon Fractions
By Paul D. Lundegard and Robert E. Sweeney

Environmental Forensic Application of Lead Isotope Ratio Determination: A Case Study Using Laser Ablation Sector ICP-MS
By A. Mohamad Ghazi and James R. Millette