Shoe size "Footwear - Sizing - Vocabulary and terminology"; currently in development are companion standards ISO/TS 19409 "Footwear - Sizing - Measurement of last dimensions" and ISO/TS 19410 "Footwear - Sizing - Inshoe measurement". The adult shoe sizes are calculated from typical last length, which is converted from foot length in mm by adding an allowance of two shoe sizes: where formula_13 is foot length in mm. Direct conversion between adult UK, European and Mondopoint shoe size systems is derived as follows: Exact foot lengths may contain repeating decimals because the formulas include division by 3; in practice, approximate interval steps of
ISO 22000 ISO 15161:2001). ISO/TS 22002- Prerequisite programmes on food safety—Part 1: Food manufacturing; Part 2: Catering; Part 3: Farming; Part 4: Food packaging manufacturing; Part 6: Feed and animal food production ISO TS 22003 - Food safety management systems for bodies providing audit and certification of food safety management systems. ISO TS 22004 - Food safety management systems - Guidance on the application of ISO 22000:2005. ISO 22005 - Traceability in the feed and food chain - General principles and basic requirements for system design and implementation. ISO 22006 - Quality management systems - Guidance on the application of ISO 9002:2000