NOTICE: The project that is the subject of this report was by the Governing Board of the National Research Council, whos are drawn from the Councils of the National Academy of Scienc National Academy of Engineering, and the Institute of Medicin members of the committee responsibie for the report were chos their special competences and with regard for appropriate bal This report has been reviewed by a group other than the a according to procedures approved by a Report Review Committee . ting of members of the National Academy of Sciences, the Nati Academy of Engineering, and the Institute of Medicine. ™HE NATIONAL RESEARCH COUNCIL was established by the Nati Academy of Sciences in 1916 to associate the broad community and technology with the Academy's purpose of furthering knowl of advising the federal government. The Council operates in with general policies determined by the Academy under the au its Congressional charter of 1863, which establishes the Acad private, nonprofit, self-governing mesbership corporation. has become the principal operating agency of both the National] of Sciences and the National Academy of Engineering in the co their services to the government, the public, and the scienti as a Council Acadesy engineering commmities. It is administered jointly by both and the Institute of Medicine. The National Academy of Engin the Institute of Medicine were established in 1964 and 1979, tively, under the charter of the National Academy of Sciences THE COMMISSION ON SOCIOTECHNICAL SYSTEMS is one of the ma ponents of the Nationa: Research Council and has general res for the cognizance over those program areas concerned with ph technological, and industrial systems that are or may be depl the public or private sector to serve societal needs. THE ADVISORY BOARD ON THE BUILT ENVIRONMENT is that unit Commission on Sociotechnical Syxtems which focuses on those s and technological issues that are critical to the improvement national policies and programs for the built environment. This report was prepared under contract: number DNA002-80-C-0018 between the National Academy of Sciences and the Defense Nuciear Agency. For information regarding this document, write the Executive Director, Advisory Board on the Built Environment, National Research Cou 2101 Constitution Avenue, N.W., Washington, D.C. 20418.