Vol.13 No.5 September 2002

Papers

Leaching Properties of Slag Produced by Melting Incineration Residue and Fly Ash from Municipal Solid Waste
......Ken-ichi Tahara, Junya Nishino and Kiyosi Momonoi 243 abst

Regeneration of Spent Cooking Fat and Oil by the use of Chitosan-gel Beads Including Activated Carbon and Alkali
......Akira Matsunaga and Sung Rak Jang 253 abst

Factors in Waste Reduction Through Variable Rate Programs
......Hajime Yamakawa, Kazuhiro Ueta and Yutaka Terashima 262 abst

Volatilization and Separation Characteristics of Heavy Metals in Fly Ashes by Halogenation Reaction
......Katsuya Nakayama, Masahide Yamamoto, Yoshinori Tanaka, Shoji Ozawa, Hitoki Matsuda and Mitsuru Takada 271 abst

Application of Numerical Simulation and Resistivity Method to a Contaminated Site caused by Waste Materials
......Kazuei Ishii, Tohru Furuichi, Toshikazu Imai and Takuya Wada 279 abst

Application of Biotests for Toxicity of Leachate and Evaluation Monitoring
......Shino Mohri, Hiroshi Nagashima, Yasuaki Miyahara, Yoshiro Ono, Osami Kawara, Manabu Kunimoto and Isao Somiya 289 abst

Modelling of Consumer Behaviour for Deposit Systems in Collection of Empty Cans and Bottles
......Akio Kondo, Ken-ichi Yoshida and Michihisa Oda 298 abst

Evaluation of Concrete Waste Recycling with Respect to Environmental Burden
......Yutaka Dote, Shusaku Nishikawa and Toshiro Maruyama 306 abst

Estimation Model for Commercial Waste Stream by Type of Business Activities
......Hiroshi Habara, Toshihiko Matsuto and Nobutoshi Tanaka 315 abst

Evaluating Impacts of Siting Landfill Based on Public Preferences
......Toshiaki Sasao 325 abst