The Centers for Disease Control and Prevention (CDC), intends to award, on a sole source basis, a purchase order to the University of Wisconsin System, Madison, WI 53706.  The authority for this sole source procurement is FAR 13.106-1.  The Contractor shall, unless otherwise specified, obtain the leaded bovine blood, prepare, aliquot, store and distribute bovine whole blood materials.  Provide all labor, materials, facilities and equipment to conduct  proficiency testing program for filter paper blood lead analysis.  The University of Wisconsin have the experience and expertise on the subject matter.  This is not a request for competitive proposals.  Firms that believe they can provide the services are encouraged to identify themselves and give a written notification to the Contracting Officer within 5 days of the publication date of this synopsis.  A determination by the Government not to competed this proposed action is based on responses to this notice is solely within the discretion of the Government.  Information received will be considered slolely for the purpose of determining to conduct a competitive procurement.  Inquires may be sent to Richard Jenkins by e-mail at [email protected] . Faxed inquires will NOT be accepted.