ANSI/ASQC Z1.4-1981 (modified Mil-Std 105D)
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