U. S. Environmental Protection Agency, Contracts Management Division (NCCM-KM, Research Triangle Park, NC 27711

66 -- SCANNING ELECTRON MICROSCOPE WITH ENERGY DISPERSIVE X-RAY FLUORESCENCE DECTECTOR SYSTEM SOL D500251M1 DUE 060995 POC Kathy Moore, Contract Specialist (919)541-3504, Janice White, Contracting Officer, (919) 541-3504. The U.S. Environmental Protection Agency has a requirement for an Automated Scanning Electron Microscope (SEM) equipped with an Energy Dispersive X-Ray (EDX) Fluorescence Detector System, that will collect and measure secondary electrons, backscattered electrons and x-rays. This benchtop (or routine) SEM/EDX will be used to rapidly screen and characterize large numbers of particles collected on filters to assist in the selecting of samples which will undergo subsequent comprehensive examination using an existing research grade SEM/EDX. The SEM/EDX shall be equipped with a motorized stage and be dedicated to performing unattended, automated analysis of air pollution aerosol samples collected on Nucleopore filters. The total system shall be controlled and operated with a single PC computer and shall be fully integrated and use only one mouse/keyboard for all functions. The system shall have two monitors, one dedicated to the major control parameters and one dedicated to image and EDX spectra display. In addition, the contractor shall provide software programs that will enable the user to auto analyze individual particles and categorize the particles as a function of size, morphology and chemistry. The software programs shall be able to provide images of individual particles and EDX spectra on a single screen that can be retrieved and imported into word processing software for report preparation. No special utilities shall be required for the operation of the SEM/EDX. It is anticipated that solicitation D500251M1 will be released on or around May 10, 1995, and that proposals will be due thirty days later. It is anticipated that the resulting contract will be firm, fixed-priced. Interested parties may obtain a copy of the solicitation by written request. Telephone and FAX requests will not be honored. Only one copy shall be issued to a corporate entity, regardless of the number of requests from one or more geographic locations. The SIC Code is 3826, with a size standard of 500 employees. THIS IS NOT A SMALL BUSINESS SET-ASIDE. (0104)

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