Nuclear Physicist – Nuclear Data Evaluation and Reaction Modeling Support 473609

Request for Information (RFI) No.: 473609 Title: Nuclear Physicist Nuclear Data Evaluation and Reaction Modeling Support This is a Request for Information (RFI) issued by Brookhaven Science Associates, LLC (BSA), operator of Brookhaven National Laboratory (BNL) under Contract DE-SC0012704 with the U.S. Department of Energy (DOE). This Request for Information (RFI) is issued solely for market research and acquisition planning purposes. This RFI is not a Request for Proposal (RFP) or a Request for Quote (RFQ), does not constitute a solicitation, and does not obligate Brookhaven Science Associates, LLC (BSA) or the U.S. Department of Energy (DOE) to issue a solicitation, make an award, or reimburse any costs incurred in responding. BSA is seeking information from qualified organizations or individuals regarding their capabilities to support nuclear data evaluation, reaction modeling, and coordination activities, as described in the attached RFI Document. Information received will assist BSA in assessing available technical expertise and informing potential future acquisition strategies. Respondents are requested to submit the following: a) An indication of interest in performing the services described in the attached RFI Document. b) A brief Statement of Capabilities describing how the respondent meets the requirements outlined in the RFI Document. c) Complete responses to the questions contained in the RFI Document, including supporting documentation where requested. Submittals must be received no later than 4:00 PM Eastern Time on Tuesday, February 10, 2026. Late responses may not be considered. Submission Instructions: Responses shall be submitted electronically via email to: ? csmith2@bnl.gov ? Subject line: BSA RFI-473609 Questions regarding this RFI must be submitted in writing via email to the address above. BSA appreciates your interest and participation.

03/18/2026 Hello - Brookhaven Science Associates, LLC (BSA) operator of Brookhaven National Laboratory (BNL) under a Prime Contract with the U.S. Department of Energy (DOE) solicits your quote for Nuclear Physicist Nuclear Data Evaluation and Reaction Modeling Support, specifically for the coordination, evaluation, and development support of the Reference Input Parameter Library (RIPL) and associated nuclear data activities. Requirements for this solicitation are outlined in the attached RFQ Document. Quote package shall include the below: Price Quote: 1. The Offeror shall complete and return the attached Enclosure C. Quotation Pricing Sheet. Pricing shall remain firm for sixty (60) days to allow time for review, selection, and Award. Prices shall be quoted in U.S. Dollars. 2. Provide responses and supporting documentation for all Technical Qualifiers (Section 3.1 of RFQ Document), including CVs, publications, and relevant experience. Other Submittals: 1. SAM Unique Entity Identification (UEI) Number within attached Enclosure C. Quotation Pricing Sheet, as well as affirm Representations and Certifications and size status are accurate and up to date in SAM. * Foreign Offerors are not required to be registered in SAM; however, must fill out the attached Enclosure B. AMS-Form-050 (Annual Representations and Certifications) if they are not. 2. The attached Enclosure B. AMS-Form-050 (Annual Representations and Certifications) is only required for Offerors that are not currently active and registered in SAM. A current copy (less than 12 months prior to the date of solicitation) of Enclosure B. AMS-Form-050 (Annual Representations and Certifications) must be on file with BSA s Procurement and Property Management (PPM) Division before an Award can be placed. 3. The successful Offeror will be required to complete new vendor forms, if applicable. CRITICAL DATES Questions Due Date: Wednesday, March 25, 2026, at 4:00 PM EST Quote Due Date: Friday, April 3, 2026, at 4:00 PM EST Anticipated Period of Performance: One (1) year base period with four (4) one-year option periods All questions regarding this RFQ must be submitted in writing via email to the undersigned. BSA appreciates your interest and looks forward to receiving your quotation. Thank you, Cassandra Smith

03/19/2026 AMENDMENT 1 Hello - Amendment 1 issued to increase estimated hours for base and option periods from 120 to 960. Enclosure C has been updated accordingly. Thank you, Cassandra Smith --------------------------------------------------------------------------------------------------------------------------------------------------------------------- 03/18/2026 Hello - Brookhaven Science Associates, LLC (BSA) operator of Brookhaven National Laboratory (BNL) under a Prime Contract with the U.S. Department of Energy (DOE) solicits your quote for Nuclear Physicist Nuclear Data Evaluation and Reaction Modeling Support, specifically for the coordination, evaluation, and development support of the Reference Input Parameter Library (RIPL) and associated nuclear data activities. Requirements for this solicitation are outlined in the attached RFQ Document. Quote package shall include the below: Price Quote: 1. The Offeror shall complete and return the attached Enclosure C. Quotation Pricing Sheet. Pricing shall remain firm for sixty (60) days to allow time for review, selection, and Award. Prices shall be quoted in U.S. Dollars. 2. Provide responses and supporting documentation for all Technical Qualifiers (Section 3.1 of RFQ Document), including CVs, publications, and relevant experience. Other Submittals: 1. SAM Unique Entity Identification (UEI) Number within attached Enclosure C. Quotation Pricing Sheet, as well as affirm Representations and Certifications and size status are accurate and up to date in SAM. * Foreign Offerors are not required to be registered in SAM; however, must fill out the attached Enclosure B. AMS-Form-050 (Annual Representations and Certifications) if they are not. 2. The attached Enclosure B. AMS-Form-050 (Annual Representations and Certifications) is only required for Offerors that are not currently active and registered in SAM. A current copy (less than 12 months prior to the date of solicitation) of Enclosure B. AMS-Form-050 (Annual Representations and Certifications) must be on file with BSA s Procurement and Property Management (PPM) Division before an Award can be placed. 3. The successful Offeror will be required to complete new vendor forms, if applicable. CRITICAL DATES Questions Due Date: Wednesday, March 25, 2026, at 4:00 PM EST Quote Due Date: Friday, April 3, 2026, at 4:00 PM EST Anticipated Period of Performance: One (1) year base period with four (4) one-year option periods All questions regarding this RFQ must be submitted in writing via email to the undersigned. BSA appreciates your interest and looks forward to receiving your quotation. Thank you, Cassandra Smith

03/20/2026 Q&A ROUND 1 Hello - Please see attached, Round 1 Questions and Answers. Thank you, Cassandra Smith --------------------------------------------------------------------------------------------------------------------------------------------------------------------- 03/19/2026 AMENDMENT 1 Hello - Amendment 1 issued to increase estimated hours for base and option periods from 120 to 960. Enclosure C has been updated accordingly. Thank you, Cassandra Smith --------------------------------------------------------------------------------------------------------------------------------------------------------------------- 03/18/2026 Hello - Brookhaven Science Associates, LLC (BSA) operator of Brookhaven National Laboratory (BNL) under a Prime Contract with the U.S. Department of Energy (DOE) solicits your quote for Nuclear Physicist Nuclear Data Evaluation and Reaction Modeling Support, specifically for the coordination, evaluation, and development support of the Reference Input Parameter Library (RIPL) and associated nuclear data activities. Requirements for this solicitation are outlined in the attached RFQ Document. Quote package shall include the below: Price Quote: 1. The Offeror shall complete and return the attached Enclosure C. Quotation Pricing Sheet. Pricing shall remain firm for sixty (60) days to allow time for review, selection, and Award. Prices shall be quoted in U.S. Dollars. 2. Provide responses and supporting documentation for all Technical Qualifiers (Section 3.1 of RFQ Document), including CVs, publications, and relevant experience. Other Submittals: 1. SAM Unique Entity Identification (UEI) Number within attached Enclosure C. Quotation Pricing Sheet, as well as affirm Representations and Certifications and size status are accurate and up to date in SAM. * Foreign Offerors are not required to be registered in SAM; however, must fill out the attached Enclosure B. AMS-Form-050 (Annual Representations and Certifications) if they are not. 2. The attached Enclosure B. AMS-Form-050 (Annual Representations and Certifications) is only required for Offerors that are not currently active and registered in SAM. A current copy (less than 12 months prior to the date of solicitation) of Enclosure B. AMS-Form-050 (Annual Representations and Certifications) must be on file with BSA s Procurement and Property Management (PPM) Division before an Award can be placed. 3. The successful Offeror will be required to complete new vendor forms, if applicable. CRITICAL DATES Questions Due Date: Wednesday, March 25, 2026, at 4:00 PM EST Quote Due Date: Friday, April 3, 2026, at 4:00 PM EST Anticipated Period of Performance: One (1) year base period with four (4) one-year option periods All questions regarding this RFQ must be submitted in writing via email to the undersigned. BSA appreciates your interest and looks forward to receiving your quotation. Thank you, Cassandra Smith