Notice of Intent to Sole Source the purchase of a

The Environmental Protection Agency, Great Lakes National Program Office, intends to award a sole source purchase order to Sequoia Scientific, LLC for the purchase of a hyper-bb hyper-spectral scatter and the LISST-200X submersible particle size analyzer. The instruments will be used onboard the research vessel Lake Guardian. • The purchase is for a hyper-bb hyper-spectral scatter and the LISST-200X submersible particle size analyzer. • The instruments will be used for research onboard the Lake Guardian. • Sequoia Scientific, LLC is the only commercial manufacturer/supplier of both instruments. • Interested parties must provide evidence of their capability to fulfill the requirement by July 28, 2026.