Abstract
The Construction Materials Recycling Law, by which full enforcement was carried out in May, 2002 aims at reduction of construction waste, recycling, and proper treatment of waste. This paper reports the entry inspection to the construction site which Bureau of Environment, Tokyo Metropolitan Government (TMG) carried out, the administrative guidance to a construction company, and the situation of recycling of construction lumber in the degree of enforcement first year of Construction Materials Recycling Law. Furthermore, measures of Bureau of Environment, TMG about Construction Materials Recycling Law and construction waste are introduced.