6810--Isotopes Ca-43 and Ca-44

Solicitation / RFP / RFQ

This document is a solicitation (RFQ) for Calcium 44 stable isotope and Calcium 43 stable isotope, both in carbonate form, for the VA San Francisco Healthcare System. It is a sole source requirement.

• Item 0001: 610.00 MG of Calcium 44 stable isotope, 99%+ enrichment, in carbonate form.

• Item 0002: 40.00 MG of Calcium 43 stable isotope, 86%+ enrichment, in carbonate form.

• Both items are classified under NAICS code 325180 (Other Basic Inorganic Chemical Manufacturing) and Product/Service Code 6810 (Chemicals).

• Delivery is FOB Destination to VA San Francisco Health Care System.

• The solicitation number is 36C26125Q0854.

• The offer due date is February 12, 2026, at 12:00 PM PDT.

• The period of performance is not explicitly stated but implied by the delivery schedule.

• Offerors must submit quotes electronically to Shelley.Self2@va.gov.

• All questions must be submitted 72 hours prior to the closing date to Shelley.Self2@va.gov.

• Offers must be complete, self-sufficient, and respond directly to the solicitation requirements.

• The evaluation will be based on PRICE ONLY.

• Offerors must be registered in the System for Award Management (SAM).

• This acquisition is listed as UNRESTRICTED.

• NAICS code is 325180 with a size standard of 1000 employees.

• The solicitation includes numerous FAR and VAAR clauses covering contract terms, conditions, and provisions. Key clauses include those related to inspection/acceptance, assignment, changes, disputes, invoicing, patent indemnity, termination, warranty, and compliance with laws.

• Specific clauses address prohibitions on certain telecommunications equipment, gray market and counterfeit items, and commercial advertising.

Pre-Solicitation Notice of Intent to Sole Source

The Department of Veterans Affairs (VA) Network Contracting Office (NCO) 21 intends to award a sole source, firm-fixed-price contract to Trace Sciences for Calcium Isotopes Ca-43 and Ca-44. This procurement is on behalf of the VA San Francisco Healthcare System.

• Item 0001: Calcium 44 stable isotope, 99%+ enrichment, in carbonate form (610.00 MG).

• Item 0002: Calcium 43 stable isotope, 86%+ enrichment, in carbonate form (40.00 MG).

• Contract Type: Firm-fixed-price.

• NAICS Code: 325180 (Other Basic Inorganic Chemical Manufacturing).

• Product/Service Code: 6810 (Chemicals).

• The full solicitation will be posted on SAM.gov on or about February 4, 2026.

• All responsible sources may submit a capability statement, proposal, or quotation.

• The VA will consider all submissions to determine whether to proceed with the sole source acquisition.

• Responses are due no later than Thursday, February 5, 2026, at 12:00 PM Pacific Time.

• Submit responses to Shelley.Self2@va.gov.

• This notice indicates an intent for a sole source award, but other responsible sources are encouraged to submit.

• Vendors must be an OEM, authorized dealer, authorized distributor, or authorized reseller.

• Vendors must provide documentation demonstrating their authorized status.

• Evidence of compliance with VAAR 852.212-71 and VAAR 852.212-72 (Gray Market Items) is required.

• The VA prioritizes patient care and choice.

• Failure to provide required documentation may result in a determination of non-viability as a source.