Vol.12 No.5 September 2001

Papers

Production Process of Mutagens in Landfill Site received Incineration Residue
----Ayako Tachifuji, Yasushi Matsufuji, Masataka Hanashima and Kazuko Miyano 191 abst

Cost Analysis of Waste Paper Collection Systems for Medium and Small-scale Businesses in regards to Collection Efficiency and Indirect Cost
----Shin'ya Suzuki, Hironari Gotoh, Michiko Yokoyama and Kazuo Yamamoto 200 abst

Evaluation of Heavy Metal Solubilization in Solid Waste Landfill Layers
----Takeshi Kurokawa, Toshiko Komatsu and Takehiko Fukushima 209 abst

Life Cycle Assessment on Food Waste Management and Recycling
----Yasuhiro Hirai, Masaki Murata, Shin-ichi Sakai and Hiroshi Takatsuki 219 abst

Evaluation and Policy Analysis on the Recycling System of PET Bottles
----Yasoi Yasuda 229 abst