ISO/DIS 3951-1 http://www.iso.org ISO standards and projects ISO - International Organization for Standardization 240 http://www.iso.org/iso/logo_iso.gif http://www.iso.org ISO/DIS 3951-1 ISO/DIS 3951-1 - Sampling procedures for inspection by variables -- Part 1: Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL This document reached stage 50.00 on 2013-05-06 , TC/SC: ISO/TC 69/SC 5, ICS: 03.120.30 Standards under development