Addendum and Acknowledgement Doc.doc

This is an Addendum and Acknowledgement document that extends the proposal submission deadline for a custom-engineered in-situ sample-environment system solicitation issued by Argonne National Laboratory, operated under the Department of Energy Office of Science.

The solicitation (6-S176-Q-00381-00) seeks a custom-engineered in-situ liquid/electrochemistry and heating/biasing/gas sample-environment system for the APS 26-ID X-Ray Nanoprobe, as detailed in the Statement of Work dated July 30, 2026. The addendum extends the offer deadline from August 14, 2026, to August 18, 2026, at 12pm CDT. Award will be made based on lowest price, technically acceptable criteria. Respondents must submit: (1) a completed and signed ANL-70 Request for Quotation; (2) a list of capabilities aligned with technical requirements in the Statement of Work; (3) country of origin documentation consistent with FAR 52.225-I Buy American requirements (60 percent domestic content minimum, 65 percent for 2024-2028 deliveries, and 75 percent for 2029 onward); (4) lead time from purchase order to final delivery at Argonne, Lemont, IL 60439; and (5) a completed and signed ANL-70B Reps and Certs form. One signed copy of the addendum is required with all offers.