This catalog provides a description of duties, tasks, performance objectives, performance guides, and related data in the area of occupational therapy occupations. Seven duties and their performance objectives are covered: (1) performing administrative tasks; (2) communicating information; (3) performing diagnostic measures; (4) planning therapeutic measures; (5) implementing therapeutic measures; (6) providing support services; and (7) continuing education. Each performance objective contains a task, conditions for performance of task, performance guide, and source of standard. In addition to the performance objectives and performance guides, an introduction, definitions of terms, and description, the catalog contains the following appendices: (1) tools, equipment, and work aids; (2) a five-item bibliography--sources of standards; (3) a cross-reference table of duties, tasks, and performance objectives; (4) a 74-item bibliography of state-of-the-art literature; and (5) a catalog development model. (NLA)