Abstract
Beneficial utilization of residues from municipal solid waste incineration is an important objective for integrated waste manage-
ment in many jurisdictions. When residues are to be used as an aggregate substitute in construction applications, the release of
constituents of concern to soils and water through leaching is an important environmental consideration. In this paper, residue
characteristics that control constituent leaching and testing approaches for evaluating leaching are discussed. Quality control and
potential improvement in case of beneficial application are addressed. # 2001 Elsevier Science Ltd. All rights reserved.