We wish to acknowledge with grateful appreciation the many services provided by the American Medical Association, through the Committee on Disaster Medical Care, Council on National Security, Board of Trustees and staff, in the preparation of this handbook. From the inception of studies to determine emergency health techniques and procedures, the Association gave valuable assistance and support. The Committee on Disaster Medical Care of the Council on National Security, AMA, reviewed the material in its various stages of production, and made significant contributions to the content of the handbook