POINT OF CONTACT: JAMIE ROSALES-WOLD U.S. DEPARTMENT OF COMMERCE/NOAA WESTERN ACQUISITION DIVISION 325 BROADWAY, SOU6 BOULDER, CO 80305 PHONE: 303-578-6951 EMAIL: JAMIE.ROSALES@NOAA.GOV ***THE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION'S (NOAA) ACQUISITION & GRANTS OFFICE, WESTERN ACQUISITION DIVISION-BOULDER, OCEANIC AND ATMOSPHERIC RESEARCH, CLIMATE PROGRAM OFFICE (CPO), INTENDS TO NEGOTIATE AND AWARD A PURCHASE ORDER, ON A SOLE SOURCE BASIS, UNDER AUTHORITY OF RFO 12.102(a), WITH SOUTH DAKOTA STATE UNIVERSITY (SDSU) FOR SERVICES NON-PERSONAL FOR ATMOSPHERIC CHEMISTRY RESEARCH TO BE PERFORMED IN BROOKINGS, SOUTH DAKOTA. NO SET ASIDE IS TO BE USED FOR THIS SOLE SOURCE REQUIREMENT. THE ASSOCIATED NAICS CODE IS 541990. ***THE SOLE SOURCE DETERMINATION IS BASED ON NOAA'S REQUIREMENT THAT SOUTH DAKOTA STATE UNIVERSITY (SDSU) IS THE ONLY VENDOR THAT SPECIALIZES IN ATMOSPHERIC CHEMISTRY RESEARCH USING RAVE AND GBBEPX CODEBASE ALGORITHMS. SDSU PROVIDES HIGHLY SPECIALIZED, INSTITUTIONAL KNOWLEDGE OF PROPRIETARY ALGORITHMS AND COMPUTER CODE USED IN NOAA'S RAVE AND GBBEPX PRODUCTS. SDSU DEVELOPED AND HAS MAINTAINED THESE PRODUCTS FOR OVER A DECADE. DEVELOPMENT AND INTEGRATION OF NEW COMBUSTION-PHASE-BASED EMISSION FACTORS INTO THESE SPECIFIC NOAA SYSTEMS, IS ESSENTIAL TO UTILIZE THE CONTRACTOR'S HIGHLY SPECIALIZED TECHNICAL EXPERTISE REGARDING THE RAVE AND GBBEPX ALGORITHMS AND CODEBASES. SDSU IS THE ONLY SOURCE CAPABLE OF MEETING THESE REQUIREMENTS; AND THE NECESSARY EXPERTISE IS UNIQUE TO THIS INSTITUTION. SOUTH DAKOTA STATE UNIVERSITY (SDSU) HAS CONFIRMED THEY ARE THE SOLE SOURCE. PERIOD OF PERFORMANCE: 09/01/2026 – 08/31/2027 ***THIS PRESOLICITATION NOTICE IS NOT A REQUEST FOR COMPETITIVE PROPOSALS AND NO SOLICITATION PACKAGE IS AVAILABLE. HOWEVER, FIRMS THAT BELIEVE THEY CAN FULLY MEET THE GOVERNMENT'S REQUIREMENTS MAY SUBMIT SUBSTANTIATING DOCUMENTATION OR A REQUEST FOR ADDITIONAL INFORMATION IN WRITING TO THE IDENTIFIED POINT OF CONTACT WITHIN 15 DAYS AFTER PUBLICATION OF THIS PRE-SOLICITATION NOTICE. SUCH REQUESTS AND DOCUMENTATION WILL BE EVALUATED SOLELY FOR THE PURPOSE OF DETERMINING WHETHER OR NOT TO CONDUCT THIS PROCUREMENT ON A COMPETITIVE BASIS. A DETERMINATION BY THE GOVERNMENT NOT TO CONDUCT A COMPETITIVE PROCUREMENT, BASED UPON RESPONSES TO THIS NOTICE, IS SOLELY WITHIN THE DISCRETION OF THE GOVERNMENT. ORAL COMMUNICATIONS ARE NOT ACCEPTABLE IN RESPONSE TO THIS NOTICE.