Normas ISO

Graphical symbols for thermal cutting equipment — Amendment 1

Machine tools — Test conditions for bridge-type milling machines — Part 2: Testing of the accuracy of travelling bridge (gantry-type) machines

Conformity assessment — Guidelines for validation and verification programmes

Conveyor belts — Test atmospheres and conditioning periods

Microbiology of the food chain — Method validation — Part 4: Protocol for method validation in a single laboratory — Amendment 1: Validation of a larger test portion size for qualitative methods

Microbiology of the food chain — Method validation — Part 2: Protocol for the validation of alternative (proprietary) methods against a reference method — Amendment 1: Revision of qualitative method comparison study data evaluation, relative level of detection calculations in the interlaboratory study, calculation and interpretation of the relative trueness study, and inclusion of a commercial sterility testing protocol for specific products