The Centers for Disease Control and Prevention intends to issue a sole source purchase order to Applied Biosystems, 850 Lincoln Centre Drive, Foster City, CA 94404 for BigDye Terminator reagent used on existing Applied Biosystems DNA sequencers like the 3130XL and the 3730XL. CDC believes that this requirement is met by only one provider. This procurement will be processed under the authority of FAR 6.302-1 and 6.302-2. Only one responsible source and no other sources will satisfy agency requirements. No solicitation is being issued. Interested persons may identify their interest and capability to respond to this requirement. This procurement is not set-aside for small business. For contractual questions contact Linda M. Young.