NIST-SS26-13 6640 / 334516 Primary POC: Liz Timberlake (Elizabeth.timberlake@nist.gov) Secondary POC: Tracy Retterer (tracy.retterer@nist.gov) Title: Alpha Emitting Source Set BACKGROUND ***THIS IS A NOTICE OF INTENT TO SOLE SOURCE*** The National Institute of Standards and Technology (NIST) is seeking information from sources that may be capable of providing an alpha emitting source set. If no alternate sources are identified, the Government intends to issue a Sole Source Award to Eckert & Ziegler Isotope Products (24937 Avenue Tibbitts, Valencia, CA) under the authority of FAR 12.102(a) only one reasonably found source. The North American Industry Classification System (NAICS) code for this acquisition is 334516. NIST has a need for a alpha emitting source set that meets or exceeds the following draft minimum specifications: The Contractor shall deliver a quantity of 4 Am-241 anodized aluminum, large-area sources, the activities of which shall be in the ranges of; 100 Bq, 1,000 Bq, 10,000 Bq, and 100,000 Bq that meet the following minimum specifications: A set of Am-241 sources. Description and Specifications: Anodized aluminum alpha reference sources Quantity: 4 Technical Specifications Overall dimensions 219 mm x 143 mm x 6.35 mm Active dimensions 203 mm x 127 mm Activity within +30%/-30% 4 packages sturdy enough for shipping, one for each source NIST conducted market research from March through May of 2026 by attending conferences, speaking with colleagues, performing internet searches, and speaking with vendors to determine what sources could meet NIST's minimum requirements. The results of that market research revealed that only Eckert & Ziegler Isotope Products appears to be capable of meeting NIST's requirements. HOW TO RESPOND TO THIS NOTICE In responding to this notice, please DO NOT PROVIDE PROPRIETARY INFORMATION. Please include only the following information, readable in either Microsoft Word 365, Microsoft Excel 365, or .pdf format, in the response. Submit the response by email to the Primary Point of Contact and, if specified, to the Secondary Point of Contact listed at the bottom of this notice as soon as possible, and preferably before the closing date and time of this notice. Provide the complete name of your company, address, name of contact for follow-up questions, their email, their phone number and, if your company has an active registration in https://sam.gov, your company's Unique Entity ID (UEI). Details about what your company is capable of providing that meets or exceeds NIST's minimum requirements. Whether your company is an authorized reseller of the product or service being cited and evidence of such authorization. Identify any aspects of the description of the requirements in the BACKGROUND section above that could be viewed as unduly restrictive or create unnecessary barriers that adversely affect your firm's ability to fully participate in a procurement for such services an…