BA 9000 BA 9000 BA 9000 Body Armor Quality Management System Requirements were established by the National Institute of Justice as a quality standard for body armor. It specifies the construction and assembly requirements of personal armor for federal, state, tribal and local law enforcement and corrections agencies; the requirements of BA 9000 are voluntary (but it is recommended by the NIJ). Though BA 9000 was written to be in compliance with ISO 9001, the NIJ notes that a company being certified as ISO 9001 is not necessarily certified as being BA 9000-compliant. BA 9000 incorporates all of the standards of ISO
Symbols and conventions used in welding documentation Symbols and conventions used in welding documentation The symbols and conventions used in welding documentation are specified in national and international standards such as ISO 2553 "Welded, brazed and soldered joints -- Symbolic representation on drawings" and ISO 4063 "Welding and allied processes -- Nomenclature of processes and reference numbers". The US standard symbols are outlined by the American National Standards Institute and the American Welding Society and are noted as "ANSI/AWS". Due in part to the growth of the oil industry, this symbol set was used during the 1990s in about 50% of the world's welding operations. An ISO