Findings largely applicable to the scheduling, management and staffing, and the estimated costs of the St. Louis Regional Air Pollution Study facility are presented. The planning factors are regarded as having an accuracy and reliability suitable for planning purposes and for the purpose of providing a working format for additional and more detailed planning efforts. The contents include: Implementation Schedule of the St. Louis Facility; Permanent Management and Staffing; St. Louis Facility Initial Costs and Annual Operating Costs; and Research Plan Costs. (Author)