This is a weekly EPA Notice of Availability listing Environmental Impact Statements filed between April 6 and April 13, 2026, under Section 309(a) of the Clean Air Act. Nine EIS filings are listed across multiple agencies and states, including a Draft Plutonium Pit Production Programmatic EIS (NNSA, NM), a Draft ST LNG Deepwater Port Development Project (MARAD, TX), a Draft Castle Mountain Mine (BLM, CA), and final or supplemental documents for projects in AR, UT, WY, MT, CA, and WA. This notice is procedural; substantive impact analysis is contained in each individual EIS document.1