NAICS Classification 325120 Government Contracts

Solicitation 140FS326Q0121 for 91--FL- ARTHUR R MARSH FUEL BPA published by INTERIOR, DEPARTMENT OF THE. Prospective offerors must consult official solicitation documents on SAM.gov for full instructions, specifications, and submission deadlines.

Solicitation 1232SA26D0027 for Lab Gases - Award Notice published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.

Solicitation 1167197 for IDIQ contract for assorted compressed gases and cylinders published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.

Solicitation 36C24527AP0181 for 6830--Perry Point VA Medical Center Bulk Liquid Oxygen Delivery and Tank Rentals Contract published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.

Award Notice for 36C25927P0009 Bulk Oxygen and Tank Rental for Oklahoma City VA Health Care System.

Solicitation FA462027P0003 for FY27 SERE Propane published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.

This award has been made to Merrimac Energy in the amount of $94,800.00 under PIID FA462027P0002.

Please see attached soliciatation and amendment 0001 and amendment 0002. Please see attachment 2 and Questions and answers 1, 2, and 3.

This notice is a sources sought notice for a requirement for Portsmouth Naval Shipyard. This notice is being issued to determine interested vendors and to help establish an appropriate set aside if applicable. Please note that this is NOT a Request For Quote (RFQ) and submission of your company’s interest may not result in your company being considered for a set-aside or bidders list for the RFQ. This sources sought notice is for market research purposes only. Vendors that are able to provide this material need to provide the following in an email to [email protected] 1. Vendor’s name, address, phone number, fax number and email address. 2. Vendor’s CAGE code (SAM) 3. Vendor’s size status (SB, SDVOSB, 8a, HUBZone, WOSB, etc.) 4. If the vendor is not the actual manufacturer, the actual manufacturer’s name, CAGE code and size status. The Government expects to post a formal solicitation for a five-year IDIQ contract for periodic delivery of bulk industrial gases. See attachments for item descriptions and Statement of Work. Solicitation anticipated to be posted on or about October 20, 2026.

THIS REQUEST FOR INFORMATION (RFI) / SOURCES SOUGHT NOTICE ISSUED SOLELY FOR INFORMATION AND PLANNING PURPOSES. THIS IS NOT A SOLICITATION. SUBMISSION OF INFORMATION ABOUT PRICING, DELIVERY, THE MARKET, AND CAPABILITIES IS HIGHLY ENCOURAGED AND ALLOWED UNDER THIS RFI FOR PLANNING PURPOSES IN ACCORDANCE WITH (IAW) FAR 15.201(e). DISCLAIMER This RFI is issued solely for information and planning purposes and does not constitute a solicitation. All information received in response to this RFI that is marked as proprietary will be handled accordingly. IAW FAR 15.201(e), responses to this notice are not offers and cannot be accepted by the Government to form a binding contract. Responders are solely responsible for all expenses associated with responding to this RFI. SOURCES SOUGHT/RFI DESCRIPTION This is NOT a solicitation announcement. This is a Sources Sought Notice / RFI only. The purpose of this Sources Sought Notice / RFI is to gain information about potential qualified sources and their size classification relative to NAICS 325120 Industrial Gas Manufacturing (size standard of 1200 Employees). Responses to this Sources Sought Notice / RFI will be used by the Government to make appropriate acquisition decisions. After review of the responses to this Sources Sought Notice / RFI, further RFIs and/or a solicitation or other announcements may be published. The purpose of this procurement is to acquire Variety of medical gases and delivery on a weekly basis required for hospital operations for the Tucson VAMC while meeting specifics list below. The contractor shall provide medical grade cylinder gases to SAVAHCS on an as needed, F.O.B. Destination basis, including (but not limited to) Oxygen USP, Medical Air USP, Carbon Dioxide USP, Nitrogen NF/ultrapure, Nitrous Oxide USP, Helium USP, Liquid Nitrogen LN2, and certified specialty mixtures. Quantities are estimates; no quantity is guaranteed. Contractor shall furnish contractor owned cylinders (C), fill government owned cylinders (G), or a combination (C/G) as specified by ordering activities to the designated VA facility: 1. Period of Performance (Estimated) Base: November 1, 2026 October 31, 2027 Option Year 1: November 1, 2027 October 31, 2028 Option Year 2: November 1, 2028 October 31, 2029 Option Year 3: November 1, 2029 October 31, 2030 Option Year 4: November 1, 2030 October 31, 2031 2. Scope of Contract Provide medical grade cylinder gases to SAVAHCS on an as needed, F.O.B. Destination basis, including (but not limited to) Oxygen USP, Medical Air USP, Carbon Dioxide USP, Nitrogen NF/ultrapure, Nitrous Oxide USP, Helium USP, Liquid Nitrogen LN2, and certified specialty mixtures. Quantities are estimates; no quantity is guaranteed. Contractor shall furnish contractor owned cylinders (C), fill government owned cylinders (G), or a combination (C/G) as specified by ordering activities. 3. Administration and Points of Contact A Contracting Officer Representative (COR) or Facility Point of Contact (FPOC) will be designated prior to award to monitor performance and manage local administration. 4. Delivery Requirements Standard deliveries Monday Friday between 8:00 a.m. and 10:00 a.m.; emergent deliveries upon COR/FPOC request. F.O.B. Destination. All transportation charges are included in the gas unit prices. No separate delivery, hazmat, fuel surcharge, or similar fees may be billed. Provide Safety Data Sheets (SDS) upon request at no additional cost. 5. Ordering, Recordkeeping, and Invoicing Contractor shall provide ordering instructions (form or standardized email) and maintain separate account numbers for SAVAHCS customers served under this contract. Invoices must be submitted electronically via the Department of Veterans Affairs Tungsten Network and include invoice number, account number, purchase order number, date of service, accurate totals, and delivery receipts. 6. Cylinders and Containers Comply with DOT hazardous materials regulations for packaging, labeling, and transport (see Regulatory Appendix). Marking, color coding, and valve connections shall follow applicable CGA publications (see Regulatory Appendix). Hydrostatic testing and visual inspection of cylinders shall follow CGA standards and DOT requirements. Contractor is responsible for testing of contractor owned cylinders; government owned cylinder testing will be ordered separately by SAVAHCS when required. Government owned cylinders remain property of the ordering agency and may not be exchanged without authorization. Disposition of non repairable government property requires prior facility direction and, if disposal is requested, a separate order. 7. Price of Services Unit prices for gases include all services required at each filling to comply with applicable regulations and good practices, including cylinder tagging (Full/In Use/Empty), inspections, cleaning, pin indexing where required, attachment to manifolds when required, and maintenance/testing of contractor owned cylinders. 8. Measurement & Conversion Where needed, use CGA P 6 density and conversion factors to calculate delivered quantities (e.g., cubic feet to gallons). 9. Delivery Locations Research Service account 1, the ship to address is 3601 S. 6TH AVE, TUCSON, AZ 85723 BLDG 78, Room 139 VABBB Research Service account 2, the ship to address is 3601 S. 6TH AVE, TUCSON, AZ 85723 BLDG 10, Room 107 SHIELD Research Service (new account needed), the ship to address is 3601 S. 6th AVE, TUCSON, AZ 85723 BLDG 78, Room 142 SHIELD Supply Chain Management (SCM) account 3, the ship to address is 3601 S. 6th AVE, TUCSON, AZ 85723 SCM Southeast CBOC account 4, the ship to is 7395 South Houghton Road, Suite 129, TUCSON, AZ 85747 SCM Sierra Vista CBOC account 5, the ship to is 101 North Coronado Drive, Suite A, Sierra Vista, AZ 85635 SCM Green Valley CBOC account 6, the ship to is 380 West Vista Hermosa Drive, Suite 140, GREEN VALLEY, AZ 85614 SCM Casa Grande account 7, the ship to is 1876 East Sabin Drive, Suite 15, Building A. CASA GRANDE, AZ 85155 SCM Safford CBOC account 8, the ship to is 355 North 8th Avenue, SAFFORD, AZ 85546 SCM Yuma CBOC account 9, the ship to is 255 E. Gila Ridge Road, YUMA, AZ 85365 SCM Northwest CBOC account 10, the ship to is 3920 West Linda Vista Boulevard, TUCSON, AZ 85742 SCM Fort Huachuca VA Clinic account 10, the ship to is 2240 Winrow Avenue, Fort Huachuca, Arizona 85613. Main Campus - 3601 S. 6th Avenue, Tucson, AZ 85723 Bldg. 2 Dock, Bulk Gas Storage Bldg. 57, Outside of Hemodialysis Bldg. T57, Loading Bulk Storage Bldg. 60, Community Living Center (Main Hallway) Bldg. 80, Army Run Side Bulk Storage Bldg. 81, Army Run East Side of Building Part A Research Service Line Requirements These requirements apply only to the SAVAHCS Research Service Line accounts and locations. Liquid Nitrogen supply and handling for research applications: maintain dewars per laboratory specifications; typical sizes include 175 185 and 230 L (Research Shield and VABBB). Cylinder supply for Research projects (examples): CO2 (CGA 320), O2 (CGA 540), lung diffusion certified mixtures, and other specialty gases as ordered. Provide certified calibration and purity documentation for specialty mixtures used in research protocols. Coordinate deliveries to Bldg 78 and Bldg 10 research locations; maintain separate accounts and invoicing for each research customer. POC for Contractor: Tetreault, Trisha R., (520) 792-1450 Ext 1-6692 Part B Sitewide Requirements (Entire Tucson VA Site) These requirements apply to the main campus and all CBOCs, including Supply Chain Management accounts. Standard delivery window and emergent delivery capability. SDS availability on request; maintain hazard communication consistent with OSHA and CGA. No separate add on fees beyond unit prices. Cylinder ownership, repair, and disposal rules as defined in Section 6. Transport empty government owned cylinders per DOT regulations and normal commercial practice to prevent damage. POC for Contractor: Roy Kolden, 520-792-1450 EXT 1-3566 10. Performance Monitoring Delivery timeliness, accuracy of orders, and compliance with purity, labeling, and cylinder requirements will be monitored by the COR/FPOC. Repeated deficiencies may be elevated to the Contracting Officer for corrective action. Appendix A Regulatory Compliance Requirements The contractor shall manufacture, label, transport, deliver, and handle medical gases in compliance with the following, as applicable: FDA Drug CGMP & Labeling (21 CFR Parts 210, 211, 201) and the Final Rule for Certain Medical Gases (effective Dec 18, 2025). Includes certification of designated medical gases and updated labeling elements. DOT Hazardous Materials Regulations (49 CFR Parts 171 180): classification, shipping papers, marking/labeling/placarding, packaging specifications, highway carriage (Part 177), and cylinder continuing qualification (Part 180). OSHA 29 CFR 1910.101 and related standards (oxygen, nitrous oxide, hydrogen): in plant handling, storage, utilization, and incorporation of CGA references (P 1, C 6/C 6.1, S 1.1/S 1.2). NFPA 99 Health Care Facilities Code (adopted by AHJ as applicable): medical gas and vacuum systems, risk based requirements, alarms, manifolds, piping, and qualified personnel. Compressed Gas Association (CGA) publications: C 7 (classification and precautionary labeling), C 9 (standard color marking for medical containers), V 1 (valve outlet/inlet connections), C 1 (hydrostatic/pressure testing methods), C 6/C 6.1 (visual inspection). Arizona State Board of Pharmacy: permits for compressed medical gas manufacturers, distributors, and suppliers; biennial registration under ARS §32 1929; permit classes per ARS §32 1930; compliance with A.A.C. R4 23 692 and R4 23 693. Local fire code as adopted by the City of Tucson/County AHJ (based on the International Fire Code) governing medical gas storage rooms, ventilation, separation distances, and signage. Contractors must obtain and maintain all Federal, State, and local licenses required to legally distribute medical gases, including any Wholesale Drug Distributor licenses required in the contractor s home state and the state of delivery (Arizona) The VA does not require submission of the licenses with the quote, but the awardee must possess all required licenses before beginning performance, because FAR 52.212 4(q) makes compliance mandatory. Labeling updates for medical oxygen must include hyperoxia warnings and No Smoking/No Vaping/No Open Flames symbols consistent with FDA s 2024 final rule and CGA guidance. The contractor shall update labels by the effective date noted above. Annex A Research Schedule, Delivery Locations, and Quantities SIZE #CONTRACTOR FURNISHED TANKS #VA FURNISHED TANKS Estimated Monthly Usage UNIT Air, Compressed, CGA Type 1, Medical E 12   8 cylinder Air, Compressed, CGA Type 1, Medical H 2   1 cylinder Carbon Dioxide, Medicinal, Grade A H   32 10 cylinder Helium H 3   10 cylinder Nitrogen Gaseous H 18 20 12 cylinder Nitrous Oxide F   2 1 cylinder Nitrous Oxide, 8" OD G   3 1 cylinder Oxygen, Gaseous E   4 2 cylinder Oxygen, Gaseous H 12 12 8 cylinder Oxygen, Gaseous (Aluminum Tank) E 400   200 cylinder Oxygen, Gaseous (Aluminum Tank) MRI Specific E   4 3 cylinder 100% Carbon Dioxide G 428   32 21 cylinder Argon, High Purity grade 220 2   1 cylinder Helium, 99.999% Purity H 218 6   6 cylinder Lung Diffusions Gas Certified 0.3% CO, 0.3% CH4 21% O2 Bal N2 Size 200 H 6   2 cylinder Nitrogen, Ultrapure, Purity 99.999% 230 2   1 cylinder Helium 80%, Oxygen 20% H 3   2 cylinder Liquid Nitrogen (We have (6)30- (2)50 Liter) 25 Liter   8 100   RESEARCH SERVICES R/S SHIELD LN2 175L 0 1 1.5 DEWAR R/S SHIELD LN2 (CRYOVATS) 230L 28 0 28 CYLINDER R/S VABBB LN2 185L 2 0 2 CYLINDER R/S PCASE CO2 200CGA320 1 0 2/12 CYLINDER R/S PCASE O2 200 CGA540 1 0 2/12 CYLINDER Annex B Cylinder Specifications Summary Specification Category Standard Used Description Valve Connections CGA V-1 Standardized outlet/inlet connections to prevent misconnections Color Coding CGA C-9 Standardized medical gas cylinder color identification Hydrostatic Testing CGA C-1 Required pressure testing intervals and methods Steel Cylinder Inspection CGA C-6 Visual inspection criteria for steel cylinders Aluminum Cylinder Inspection CGA C-6.1 Visual inspection criteria for aluminum cylinders If your company is interested in and capable of providing the required supplies/services, you MUST provide the information indicated below OR your intent, interest to participation, and information provided will not be considered as valid for research purposes. Response to this notice should include company name, address, point of contact, size of business pursuant to the following questions: (1) Submit your capabilities statement illustrating how your organization can/cannot meet the list of DRAFT/SALIENT CHARACTERISTICS/SOW requirements. For instances where your company cannot meet the DRAFT/SALIENT CHARACTERISTICS/SOW requirement(s), please explain. For instances where your company can meet the DRAFT/SALIENT CHARACTERISTICS/SOW requirement(s), please clearly show how your company meets/exceeds each requirement otherwise your response will be recorded as interest only . (2) Please review the list of DRAFT/SALIENT CHARACTERISTICS/SOW requirements and provide any additional feedback or suggestions. If none, please reply as N/A. (3) Please indicate the size status and representations of your business, such as but not limited to: Service-Disabled Veteran-Owned Small Business (SDVOSB), Veteran-Owned Small Business (VOSB), HUBZone, Woman Owned Small Business (WOSB), Large Business, etc. (4) Is your company considered small under the NAICS code identified in this RFI? (5) Are you the manufacturer, authorized distributor, and/or can your company provide a solution to the required supplies/services described in the list of DRAFT/SALIENT CHARACTERISTICS/SOW? (6) If you are a large business, do you have any designated/authorized distributors? If so, please provide their company name, telephone, point of contact and size status (if available). (7) If you re a small business and you are an authorized distributor/reseller for the items identified above, do you alter; assemble; modify; the items requested in any way? If you do, state how and what is altered; assembled; modified. (8) Limitations on Subcontracting: How does your business ensure compliance with the limitations on subcontracting as outlined in 13 CFR § 125.6? (9) Are the items you are identifying/providing considered Commercial of the Shelf (COTS) items as defined in FAR Part 2.101 under commercial items? (10) Non-Manufacturer Rule: If applicable, can you confirm your business complies with the Non-Manufacturer rule? Specifically, does your company: Provide a product from a small business manufacturer or processor? Not exceed 500 employees? Primarily engage in the retail or wholesale trade and normally sell the type of item being supplied? Take ownership or possession of the item(s) with its personnel, equipment or facilities in a manner consistent with industry practice? (11) Please indicate whether your product conforms to the requirements of the Buy American Act? Please indicate if manufacturer is/will be US domestic Small Business / US Domestic Large Business / Foreign. (12) What is your lead time to deliver a single unit with all components? Is there scale in lead time with greater quantities? Please elaborate. (13) What is estimated life span of your solution? What support/services does that entail? (14) Does your organization offer a leasing solution? Please elaborate. (15) Does your company have a Federal Supply Schedule (FSS) GSA/NAC/SAC/BPA/NASA SEWP or any other Federal Government contract? If so, please provide the contract number(s). (16) If you are an FSS GSA/NAC/SAC/BPA/NASA SEWP or any other Federal Government contract holder, are all the items/solutions you are providing information about available on your schedule/contract? Please state if all or some items are available on the contract. (17) General pricing of your products/solution is encouraged. Pricing will be used for the purpose of market research only. It will not be used to evaluate for any type of award. (18) Please provide your SAM.gov Unique Entity ID/Cage Code number. Responses to this notice shall be submitted via email to [email protected]. Telephone responses will not be accepted. Responses must be received no later than Monday, October 19, 2026 by 10:00 AM PST. All responses to this Sources Sought/RFI will be used for planning purposes only. Responses to this Sources Sought Notice / RFI are not considered a request to be added to a prospective bidders list or to receive a copy of the solicitation. If further RFIs and/or a solicitation or other announcement is issued as a result of the information provided from this RFI, all interested parties must respond to the specific posting separately IAW the specifications of that announcement.

This a requirement for contractor to deliver full 50 kg propane tanks quantity to designated facilities on Osan Air Base (AB). The contractor shall provide all vehicles, equipment, tools, labor, supervision, and required Republic of Korea licenses and permits necessary to transport and deliver propane in accordance with applicable Korean safety regulations. The Government reserves the right to spot check the contractor but will not supervise contractor during each delivery. Refer to the attached documents for details.

Amendment 0005; The purpose of this Amendment is to extend the response date. The Government is still in progress in updates to the product list, addressing new questions received and clarifications to some of the previous questions answsered. Amendment 0004; The purpose of this amendment is to readdress responses to questions received and revise the product list. Response date is extended. Amendment 0003 The purpose of this amendment is to: 1. Provide responses to questions recieved. 2. Provide revisions to the RFQ and its Attachemnts. 3. Extend the response date. Amendment 0002 The purpose of this amendment is to: 1. Extend the response date for submission of quotes for the RFQ. Government responses to questions are still ongoing and upon completion they will be provided in an amendment Amendment 0001 This is an amendment to the RFQ to extend the due date to 30 July 2026. Please read the added attachment with the amendment for details. Questions from industry will be answered in a second amendment to the RFQ. This requirement is for a Blanket Purchase Agreement (BPA) in which orders may be placed for a variety of compressed and bulk medical grade gas, laboratory and specialty gases, gas-related equipment, supply and services, dry ice pellets, for customer leased and/or government owned cylinders in support of the Defense Health Agency/US Army Medical Research and Development Command and other research labs as needed. Please read attachments carefully. Full list of BPA users in the body of the RFQ. Questions are due no later than Monday, 22 June 2026 at 12:00 pm EDT. Instructions to Offerors start on page 23 of the RFQ. Evaluation Factors start on page 27.

Downstate Home Oxygen

Solicitation 36C24226R0081 for 6835--VISN 2 Prosthetics Downstate Home Oxygen Services published by VETERANS AFFAIRS, DEPARTMENT OF. Prospective offerors must consult official solicitation documents on SAM.gov for full instructions, specifications, and submission deadlines.

UPDATE - 10/07/2026 The National Aeronautics and Space Administration (NASA) John F. Kennedy Space Center is pleased to release the 2027 NASA Agency-wide Acquisition of Nitrogen and Oxygen (NANO) 4 opt-in opportunity as described in the original NANO 4 Request for Proposal (RFP), Sections 2.9, IDIQ CLIN Pool Opt-in, and 2.9.2, IDIQ CLIN Pool Opt-in After Award. The NANO 4 RFP was issued on March 4, 2024, and the original solicitation (as revised) remains open throughout the ordering period through the use of innovative provisions as prescribed in Section 2, Clause 2.9, IDIQ CLIN Pool Opt-in, and Clause 2.9.2, IDIQ CLIN Pool Opt-in After Award. The NANO 4 contract’s ordering period remains valid through June 30, 2029. The RFP resulted in the award of six indefinite delivery (ID) fixed price with Economic Price Adjustment (FPEPA) requirements contracts with fixed price delivery orders for the supply of liquid nitrogen and liquid oxygen in support of operations at agency centers and facilities across the United States. NASA made award to the following companies: Air Products and Chemicals, Inc., Airgas USA LLC (Central), Airgas USA LLC (South), Linde, Inc., Nippon Sanso Matheson, Inc. (formerly Matheson Tri-gas, Inc.), and Messer LLC. Each year during the life of the solicitation and at the time established via synopsis, the Government will accept proposals from new entrants for each IDIQ subCLIN location and the Government will also accept proposals from existing NANO 4 contractors for each additional proposed IDIQ subCLIN location. A new entrant does not hold a current NASA liquid nitrogen or liquid oxygen contract. The Government will evaluate the proposals to determine technical acceptability for a specific NASA location. Upon the Government’s determination of technical acceptability, a contract (for new entrants) or contract modification (for existing NANO 4 Contractors) will be executed to add the Contractor to the IDIQ CLIN Pool for the specific NASA location. Thereafter, the Contractor will be eligible to participate in the IDIQ CLIN Pool process described in Section 2.8 for the NASA locations awarded to that Contractor. All eligible Contractors who are awarded an IDIQ subCLIN for a particular NASA location will have the option to compete for requirements within those IDIQ subCLINs which they are awarded. The commodities will support current and future aerospace flight, simulation, research, development, testing, and other operations at the following NASA centers and facilities: Ames Research Center (ARC), Moffett Field, CA 94035; Glenn Research Center (GRC), Cleveland, OH 44135; GRC/Neil A. Armstrong Test Facility (ATF), Sandusky, OH 44870; Goddard Space Flight Center (GSFC), Greenbelt, MD 20771; Jet Propulsion Laboratory (JPL), Pasadena, CA 91109; Johnson Space Center (JSC), Houston, TX 77058; Kennedy Space Center (KSC), Kennedy Space Center, FL, 32899; Cape Canaveral Space Force Station (CCSFS), Cape Canaveral, FL, 32920; Langley Research Center (LaRC), Hampton, VA 23666; Marshall Space Flight Center (MSFC), Huntsville, AL, 35812; Michoud Assembly Facility (MAF), New Orleans, LA 70129; Stennis Space Center (SSC), Stennis Space Center, MS, 39529; White Sands Test Facility (WSTF), Las Cruces, NM 88012 and other such places of performance as required in this contract. Submission information: 1. Opt-in by a Current NANO-4 Contractor. A current NANO-4 Contractor shall submit 2027 Attachment 2.1 Capability Form for each proposed IDIQ subCLIN location. The Government will evaluate the capability form to determine technical acceptability in accordance with the weekly maximums for a subCLIN location in RFP Section 2.1.1 Schedule of Supplies Table for Liquid Nitrogen and Liquid Oxygen – Requirements. If the Contractor is determined technically acceptable, award will be made for the subCLIN(s). 2. Opt-in by New Entrant. The new entrant shall submit an Attachment 2.1 Capability Form for each proposed IDIQ subCLIN location. The Government will evaluate the capability form to determine technical acceptability in accordance with the weekly maximums for a subCLIN location in RFP Section 2.1.1 Schedule of Supplies Table for Liquid Nitrogen and Liquid Oxygen – Requirements. Once determined acceptable from a technical standpoint, award will be made for the subCLIN(s). New entrants will be required to comply with the provisions of Section 2.5 of the RFP and all terms and conditions of the resulting contract. 3. All questions regarding this opt-in notice shall be submitted in writing via email to Rose Dougherty at [email protected]. The Government will not answer oral questions due to the possibility of misunderstanding or misinterpretation. The Offeror shall submit all questions, if any, no later than October 21, 2026, to allow for analysis and dissemination of responses in advance of the proposal due date. The Government will not guarantee a response to late questions. Questions shall not be directed to technical personnel. 4. It is requested that any interested party notify the NANO 4 Contracting Officer via email no later than October 21, 2026, of your intent to submit a proposal during this opt-in period as well as the name(s) of which NASA Center(s) you intend to propose. Please send your notice of intent to propose to Rose Dougherty at [email protected]. 5. All offers shall be sent to Rose Dougherty at [email protected] by 4:30PM EST, November 6, 2026. Late submissions will be handled in accordance with FAR 52.212-1, Instructions to Offerors-Commercial Products and Commercial Services, paragraph (f). 6. An ombudsman has been appointed in accordance with NFS 1852.215-84. ~~~~~~~~~~~~~~ Update - 4/22/20024 This update is to post amendment 7 to the RFP. Amendment 7, reopens the RFP and notifies offerors that the Government’s requirements for CLIN 24 and subCLIN 26.24 for Stennis Space Center, have changed. This amendment updates the RFP and resolicits with the updated requirements for CLIN 24 and subCLIN 26.24 only. Offerors are invited to propose on CLIN 24 for Stennis Space Center (SSC) liquid oxygen support. When submitting your proposal use the revised Attachment 6 Price Proposal Template Amendment 7 and follow the solicitation provision 6.3(b) Submission of offers. Offerors are also invited to submit Attachment 2.1 Capability Form-IDIQ subCLINs for subCLIN 26.24 SSC liquid oxygen support. Proposals submitted prior for CLIN 24 and subCLIN 26.24 are no longer valid and new proposals must be submitted. All offerors interested in this CLIN and/or subCLIN should submit a proposal by Thursday April 25, 2024 at 4:30 p.m. Eastern Time. No other proposal revisions will be accepted. ____________________________________________________________ Update - 4/5/2024 This purpose of this update is to post amendment 6 to the RFP, and to post questions and responses regarding the RFP. Added to this announcement are the following attachments: Amendment 6 as "SF30 80KSC023R0022 Amendment 6," and updated questions and responses as “NANO 4 RFP - Questions and Responses Revision 3." _______________________________________________________________ Update - 4/2/2024 The purpose of this update is to post questions and responses regarding the RFP. Questions and responses are posted as “NANO 4 RFP - Site Visit - Questions and Responses Revision 2." ________________________________________________________________ Update - 3/29/2024 This purpose of this update is to post amendment 5 to the RFP, an updated price proposal template and to post questions and responses regarding the RFP. Added to this announcement are the following attachments: Amendment 5 as "SF30 80KSC023R0022 Amendment 5," the updated price proposal template as “Attachment 6 Price Proposal Template Amendment 5,” and updated questions and responses as “NANO 4 RFP - Questions and Responses Revision 1." ****Review Amendment 5 for changes to the proposal due date and time*** ___________________________________________________ Update - 3/27/2024. The purpose of this update is to post amendment 4 to the RFP. Amendment 4 is added to this announcement as an attachment and is titled "SF30 80KSC023R0022 Amendment 4." __________________________________________________ Update - 3/22/24. The purpose of this update is to post amendment 3 to the RFP. This amendment provides a new NASA EFSS Box link for the submission of proposals, a SF1499 and other administrative changes. _________________________________________________ Update - 3/20/2024. The purpose of this update is to post amendment 2 to the RFP, an updated price proposal template and to post questions and responses regarding the RFP and site visits. Added to this announcement are the following attachments: Amendment 2 as "SF30 80KSC023R0022 Amendment 2," the updated price proposal template as “Attachment 6 Price Proposal Template Amendment 2,” and questions and responses as “NANO 4 RFP - Site Visit - Questions and Responses." _________________________________________________ Update - 3/11/2024. The purpose of this update is to post amendment 1 to the RFP. Amendment 1 is added to this announcement as an attachment and is titled "SF30 80KSC023R0022 Amendment 1." _______________________________________________________ 3/4/2024--Updated to add signed Final RFP Cover Letter. __________________________________________________________ The National Aeronautics and Space Administration (NASA) John F. Kennedy Space Center (KSC) is pleased to issue Request for Proposal (RFP) 80KSC023R0022 for the NASA Agency-wide Acquisition of Nitrogen and Oxygen 4 (NANO 4). Previous notices regarding NANO 4 are: Sources Sought Notice NNK23ZOS001L, Draft RFP Notice 80KSC023R0022-DRAFT. All files remain unchanged.

Solicitation 36C24226R0081 for 6835--VISN 2 Prosthetics Downstate Home Oxygen Services published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.