International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approva Part 1: General requirements, definitions and tests
Part 2: Requirements and test for washer-disinfectors, employing thermal disinfection, for surgical
instruments, anaesthetic equipment, bowls, dishes, receivers, utensils, glassware etc.
Part 3: Requirements and tests for washer-disinfectors employing thermal disinfection for human waste
containers
Part 4: Requirements and tests for washer-disinfectors employing chemical disinfection for thermo-labile
endoscopes
Part 5: Test soils and methods for demonstrating cleaning efficacy of washer-disinfectorsl by at least 75 % of the member bodies casting a vote.