Vol.14 No.6 November, 2003

Paper

An Estimation of Required Sampling Weights of Multicomposition Wastes and a Statistical Determination Method of Test Results Considering Variability
……Tomohiro Tasaki and Kohei Urano　303 abst

Influences of PH and Anions on Insolubility of Lead Ion by the Molten Slag
……Yukio Fujita, Takayuki Shimaoka and Seizou Kenmoku　312 abst

Contingent Valuation Approach to The Environmental Benefits from Waste Management
……Hiroshi Kanzaki and Yukio Terakado　320 abst

Spontaneous Hydrogen Production from Wheat Bran
……Fumiaki Taguchi and Reiko Yano　329 abst

Experimental Studies on Leaching and Separation of Incineration Ash in Sea Area Landfill Site
……Daisaburo Koga, Takayuki Shimaoka, Kentaro Miyawaki, Yasukazu Toda and Masataka Hanashima　334 abst

Mass Balance of Heavy Metals at the Facilities for the Treatment of Construction and Demolition Waste Wood
……Yoichi Watanabe, Yasundo Kurata, Yusaku Ono and Masaaki Hosomi　343 abst