Publications Click on the images below to view. Radiation Safety Officer’s Handbook, published in 2017. Please note that this medium-resolution version of our Radiation Safety Officer’s Handbook is 13 MB, and the download will therefore take some time. A high-resolution printed version can be ordered from the Namibian Uranium Institute. Guide to Radiation booklet Questions Answered about Uranium & Radiation NUA Career Booklet Environmental Awareness for Sustainable Development Best Practice Guide in Mining Part 1: Overview Best Practice Guide in Mining Part 2: Exploration Best Practice Guide in Mining Part 3: Projects and Construction Best Practice Guide in Mining Part 4: Mining and Processing Operations Best Practice Guide in Mining Part 5: Care and Maintenance, Closure and Completion