CONTENTS Foreword Preface Air Contaminant Statistical Distributions with Application to PM10 in Santiago, Chile Carolina Marchant, Víctor Leiva, M. Fernanda Cavieres, and Antonio Sanhueza Advances in the Application of Plant Growth-Promoting Rhizobacteria in Phytoremediation of Heavy Metals Hamid Iqbal Tak, Faheem Ahmad and Olubukola Oluranti Babalola Toxicity Reference Values and Tissue Residue Criteria for Protecting Avian Wildlife Exposed to Methylmercury in China Ruiqing Zhang, Fengchang Wu, Huixian Li, Guanghui Guo, Chenglian Feng, John P. Giesy and Hong Chang The Biological Effects and Possible Modes of Action of Nanosilver Carolin Völker, Matthias Oetken, and Jörg Oehlmann Diazinon: Chemistry and Environmental Fate: A California Perspective Vaneet Aggarwal, Xin Deng, Atac Tuli, and Kean S. Goh Index