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Seven members of a ORNL team visited Sondrestrom and Thule Air Bases to conduct ECAMP assessments for Headquarters Air Force Space Command. Reports were written evaluating compliance with federal, Air Force, and local environmental regulations in the following areas: air emissions; wastewater discharges, solid waste management; polychlorinated biphenyl (PCB) management, drinking water; petroleum, oils, and lubricants (POL) management; hazardous materials management; and natural and historic resources. In addition, site management plans were evaluated, and information was gathered for revision of the plans, if need be, by staff in the Environmental Sciences Division, ORNL. 2 refs.

This report describes a tracer study conducted by North American Weather Consultants (NAWC) at the Rocky Flats Plant in Colorado. The purpose of the study was to provide data for the evaluation of a dispersion model. This tracer study was timed to sample the upslope, downslope and transition conditions prevalent in the Rocky Flats area during the summer period. The field studies were conducted from 17 July, 1987 through 8 August, 1987. A total of twelve days of plume tracking were conducted, four during upslope conditions, six during stable downslope conditions, and two during transition conditions. The tracer gas, sulfur hexafluoride (SF/sub 6/) was released on the Rocky Flats plant site and the plume was tracked using an aircraft with a continuous SF/sub 6/ analyzer on-board. Grab samples were also obtained from various sites on the ground during the aerial tracking period.