ISO 9000 with a variety of quality assurance requirements for each contract awarded which led the defence industry to adopt mutual recognition of NATO AQAP, MIL-Q and Def Stan standards. Eventually, ISO 9000 was adopted as a suitable option, instead of forcing contractors to adopt multiple - and often similar - requirements. The global adoption of ISO 9001 may be attributable to a number of factors. In the early days, the ISO 9001 (9002 and 9003) requirements were intended to be used by procuring organizations, as the basis of contractual arrangements with their suppliers. This helped reduce the need for "supplier development"
Environmental resource management management tools, standards and systems are required. An environmental management standard or system or protocol attempts to reduce environmental impact as measured by some objective criteria. The ISO 14001 standard is the most widely used standard for environmental risk management and is closely aligned to the European Eco-Management and Audit Scheme (EMAS). As a common auditing standard, the ISO 19011 standard explains how to combine this with quality management. Other environmental management systems (EMS) tend to be based on the ISO 14001 standard and many extend it in various ways: Other strategies exist that rely on making simple distinctions rather