TABLE II-A --- Single sampling plans for normal inspection |
Sample size Sample ------------- AQL (normal inspection) ------------ . code letter size .025 .040 .065 .10 : .15 .25 .40 .65 1.0 1.5 . Ac Ac Ac Ac : Ac Ac Ac Ac Ac Ac . ---------------+------+----+----+----+----+----+----+----+----+------. A 2 | | | | : | | | | | | . B 3 | | | | : | | | | | | . C 5 | | | | : | | | | | v . ---------------+------+----+----+----+----+----+----+----+----+------. D 8 | | | | : | | | | v 0 . E 13 | | | | : | | | v 0 u . F 20 | | | | : | | v 0 u d . ---------------+------+----+----+----+----+----+----+----+----+------. G 32 | | | | : | v 0 u d 1 . H 50 | | | | : v 0 u d 1 2 . J 80 | | | v : 0 u d 1 2 3 . ---------------+------+----+----+----+----+----+----+----+----+------. K 125 | | v 0 : u d 1 2 3 5 . L 200 | v 0 u : d 1 2 3 5 7 . M 315 v 0 u d : 1 2 3 5 7 10 . ---------------+------+----+----+----+----+----+----+----+----+------. N 500 0 u d 1 : 2 3 5 7 10 14 . P 800 u d 1 2 : 3 5 7 10 14 21 . Q 1250 d 1 2 3 : 5 7 10 14 21 ^ . ---------------+------+----+----+----+----+----+----+----+----+------. R 2000 1 2 3 5 : 7 10 14 21 u | . ---------------+------+----+----+----+----+----+----+----+----+------. : . |
: Sample size Sample ------------- AQL (normal inspection) ------------ . code letter size 2.5 4.0 6.5 10 : 15 25 40 65 100 150 . Ac Ac Ac Ac : Ac Ac Ac Ac Ac Ac . ---------------+------+----+----+----+----+----+----+----+----+------. A 2 | d 0 | : d 1 2 3 5 7 . B 3 v 0 u v : 1 2 3 5 7 10 . C 5 0 u d 1 : 2 3 5 7 10 14 . ---------------+------+-----+-----+------+-----+-----+-----+----------. D 8 u d 1 2 : 3 5 7 10 14 21 . E 13 d 1 2 3 : 5 7 10 14 21 30 . F 20 1 2 3 5 : 7 10 14 21 ^ ^ . ---------------+------+-----+-----+------+-----+-----+-----+----------. G 32 2 3 5 7 : 10 14 21 ^ | | . H 50 3 5 7 10 : 14 21 ^ | | | . J 80 5 7 10 14 : 21 ^ | | | | . ---------------+------+-----+-----+------+-----+-----+-----+----------. K 125 7 10 14 21 : ^ | | | | | . L 200 10 14 21 ^ : | | | | | | . M 315 14 21 ^ | : | | | | | | . ---------------+------+-----+-----+------+-----+-----+-----+----------. N 500 21 ^ | | : | | | | | | . P 800 ^ | | | : | | | | | | . Q 1250 | | | | : | | | | | | . ---------------+------+-----+-----+------+-----+-----+-----+----------. R 2000 | | | | : | | | | | | . ---------------+------+-----+-----+------+-----+-----+-----+----------. |
AQL values in percent defective
Arrows: use first sampling plan below or above arrow, ie., both sample size and Ac. u, d: go up or down. |
Last update: 16-Nov-2001 |