This document is part of a five-volume nationwide study of Nutrition Services operations and elderly citizens participating in congregate dining and home delivery services authorized by Title III-C of the Older Americans' Act. A descriptive report is contained in this volume, which presents non-selective and preliminary analysis of the data base resulting from the research. This volume is intended as a supplemental resource to other volumes of the study. Section 1 gives a report overview, and section 2 describes program characteristics and operations in great detail. The data described in this section result from interviews with Nutrition Services management staff. The third section reports on interviews with program participants and non-participants and focuses on the reach of Nutrition Services programs; the perception of program participants of congregate dining services; and participant awareness and utilization of site nutrition education offerings, shopping assistance services, site medical assistance, and site recreation activities. (JMK)