>Vol.10 No.2 March, 1999
Contents
Preface
For Ecological Society----Hitoshi Terashima 115

Special Issues: Standards on Landfilling Disposal
Techniques and Concepts for Environmentally Sound Final-Disposal-Site of Solid Wastes----Nobutoshi Tanaka 118 abst

Revision of Environmental Water Quality Standards and Waste Disposal----Osami Nakasugi 128 abst

Conservation of the Soil Environment and Waste Disposal----Manami Fujikura 138 abst

Appropriate Structural Code for the Waste Disposal Site----Masashi Kamon 147 abst

Review
Risk Evaluation of Persistent, Bioaccumulative and Toxic Chemicals by using Bioassays --Endocrine Disrupting Chemicals------Yoshiro Ono and Masato Yamada 156 abst