This report is intended to provide information required to address potential ecological effects of the proposed disposal of Wilmington Harbor and Military Ocean Terminal, Sunny Point (MOTSU), North Carolina, sediments in the ocean. The report is divided into five sections. Section 1.0 is the introduction containing a brief overview of the study and the study objectives. Section 2.0 describes the methods and materials used for sample collection, processing, toxicological and bioaccumulation testing, physical/chemical analysis of sediments and tissues, data analysis, and quality assurance procedures. Section 3.0 presents the results of field collections, sediment chemistry, toxicological testing, and tissue chemistry resulting from bioaccumulation exposures. Section 4.0 presents a discussion of the results and summary conclusions concerning the acceptability of the Wilmington Harbor and MOTSU dredged material for ocean disposal. Section 5.0 lists the literature cited in support of this document. A series of appendixes contain detailed data listings.