Vol.15　　No.4 July　2004
Paper
Cost Effectiveness of PCB Waste Destruction Projects Using PCB Exposure as a Risk Index
Yasuhiro Hirai and Shin-ichi Sakai　237 abst

Manufacturing Process and Business Feasibility of Red Sea Bream Diet from Food Waste
Yuki Ikeda, Yuzuru Ishizuka, Masakazu Irie, Toshinori Kameoka, Takashi Ishiwatari, Takahiko Suzuki and Yukio Matuda　246 abst

Modeling of the Collection System of Waste Paper based on Questionnaire Survey
Akio Shimizu, Toshiya Aramaki and Keisuke Hanaki　256 abst

Analysis of Household Waste Reduction with the Introduction of a Transparent Garbage Bag System
Masako Fukuoka, Harumi Koizumi, Hajime Yamakawa and Hiroshi Takatsuki　266 abst

The Effect of Garbage Separation Treatment on Municipal Waste Management
Kiyotaka Tahara, Atsushi Inaba, Yu Sakane and Toshinori Kojima　276 abst

Fifteen-Year Experiment on Corrosion and Mercury Behavior of Dry Batteries in Landfill Lysimeters
Ryuji Yanase, Fumiaki Hirano, Yasushi Matsufuji and Masataka Hanashima　283 abst

Effects of Short-term Exposure of Leachate to Medaka（Oryzias latipes）
Makiko Doi, Kazuhiko Fukatsu, Ryota Shinohara, Masataka Hanashima, Sotarou Higuchi and Keijirou Tomoda　294 abst

Influence of Carbon Dioxide on Removal and Capture of Lead Ions by Molten Slag
Yukio Fujita, Takayuki Shimaoka and Seizou Kenmoku　302 abst

A Survey on Consumer Disposal Behavior of Electric Home Appliances for Encouraging Products' Long-term Use and Reuse
Tomohiro Tasaki, Atsushi Terazono and Yuichi Moriguchi　310 abst

Note
The Self-coating Structure of the Spiral Flow Melting Furnace in Gasification-melting System
Hiroshi Fujita, Kenichi Fujii, Sadafumi Katoh, Masatoshi Hirokawa and Yuji Tada　320 abst