Formerly the Hazardous Materials Standards Division (CG-5223 and CG-3PSO-3)
Effective December 19, 2011, the Hazardous Materials Standards Division (CG-5223) was renamed the "Hazardous Materials Division (CG-5215)", and is now part of the Office of Design and Engineering Standards (CG-521). Its new website address is www.uscg.mil/hq/cg5/cg5215/.