Vol.16　No.2March, 2005

Contents

Preface
New Business Development of Waste Treatment Plants by Private Sectors
……Tadao Fujimoto　59


Special Issues: Ocean Dumping and Contaminated Sediment
Current Status on the Disposal of Dredged Material in Japanese Ports and Harbors
……Toshiro Tanabe　61 abst
Environmental Regulations on Ocean Dumping of Dredged Materials
……Takatoshi Nagasaki　66 abst
Removal Standards and Control Measures for Bottom Sediments Contaminated by Toxic Substances in Japan
……Masaaki Hosomi　73 abst
Countermeasures for Dioxin-polluted Sediment
……Hirokazu Tsuji, Shogo Tsunoda and Tetsukazu Okada　84 abst

Review
Trends of MSW-Ash Melting Technology in Japan
……Hideaki Fujiyoshi　98 abst