What’s in this Issue: Carson W. Carroll, Assistant Director, Enforcement; Programs and Services, Retires; 2009 Institute of Makers of Explosives (IME) Spring Meeting; 2010 International Society of Explosives; Engineers (ISEE) Conference; Type-1 Igloo or “Army-type Structure” Explosives Magazines Day Boxes; Table of Distances and Barricades; Recording Explosive Materials ”Used” Inspection Violations; Black Powder Blanks; Deteriorated Explosives; U.S. Department of Defense Exemption Application to Contractors Storage of Exempt Explosive Materials in Magazines; Notice of Errata; Orange Book Errata; Licensee/Permittee Population