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Uranium Quick Fact
Uranium Isotope Proportions
Naturally occurring uranium is 99.2745 percent uranium-238, with uranium-235 (the energy producing isotope) making up about 0.720 percent, and uranium-234 filling in the remainder at less than 0.0055 percent.
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Depleted UF6 Management Program Documents


Downloadable documents about depleted UF6 management and related topics, including Depleted UF6 Conversion and Programmatic EIS documents

Click on the topic links below to view document lists, or use the "Search Documents" or "View a list of all documents" tools to locate any document.

Supplement Analysis

PDF Draft Supplement Analysis for Location(s) to Dispose of Depleted Uranium Oxide Conversion Product Generated from DOE's Inventory of Depleted Uranium Hexafluoride (DOE/EIS-0359-SA1 AND DOE/EIS-0360-SA1) (240 KB)
PDF Notice of Availability of a Draft Supplement Analysis for Disposal of Depleted Uranium Oxide Conversion Product Generated From DOE's Inventory of Depleted Uranium Hexafluoride (60 KB)

Other Documents

 Paducah DUF6 Conversion Facility Final EIS and Record of Decision    Portsmouth DUF6 Conversion Facility Final EIS and Record of Decision

 DUF6 Conversion EIS Supporting Documents

 Disposal of DUF6 Conversion Products

 Fact Sheets

 Engineering Studies

 Procurement of DUF6 Conversion Services

 Cost Analysis

 Program Planning and Decision Making

 R&D/Uses Development

 DUF6 Programmatic EIS

 Transportation

 NEPA Support

 Other




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