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Figure H.3
Sample
Size
Code
Letter
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
Sample
Size
2
3
5
8
13
20
32
50
80
125
200
315
500
800
1250
2000
0
1
0
1
1
2
1
2
3
AQLs in Percent Nonconforming Items and Nonconformities per 100 Items (normal inspection)
0.010 0.015 0.025 0.040 0.065 0.10 0.15 0.25 0.40 0.65 1.0 1.5 2.5 4.0 6.5 10 15 25 40 65 100 150 250 400 650 1000
AcRe AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
AcRe
0
1
0
1
2
0
1
2
3
1
2
3
4
0
1
2
3
5
1
2
3
4
6
0
1
2
3
5
1
2
3
4
6
0
1
2
3
5
7
1
2
3
1
2
3
4
1
2
3
4
6
4 5 6 7 8 10 11 14 15 21 22
6 7 8 10 11 14 15 21 22
8 10 11 14 15 21 22
7 8 10 11 14 15 21 22
0
1
2
3
0
1
2
3
5
0
1
2
3
5
7
1
2
3
0
1
2
3
1
2
3
4
0
1
2
3
5
1
2
3
4
6
0
1
2
3
5
7
4 5 6 7 8 10 11 14 15 21 22
6 7 8 10 11 14 15 21 22
8 10 11 14 15 21 22
1
2
3
0
1
2
3
1
2
3
4
1
2
3
5
2
3
4
6
1
2
3
5
7
2
3
1
2
3
2
3
4
2
3
5
3
4
6
4 5 6 7 8 10 11 14 15 21 22
6 7 8 10 11 14 15 21 22
8 10 11 14 15 21 22
3
5
7
4 5 6 7 8 10 11 14 15 21 22 30 31
6 7 8 10 11 14 15 21 22 30 31 44 45
8 10 11 14 15 21 22 30 31 44 45
4 5 6 7 8 10 11 14 15 21 22 30 31 44 45
6 7 8 10 11 14 15 21 22 30 31 44 45
8 10 11 14 15 21 22
= Use first sampling plan below arrow. If sample size equals or exceeds lot size, carry out 100 percent inspection.
= Use first sampling plan above arrow.
Ac = Acceptance number.
Re = Rejection number.
ANSI/ASQ Z1.4-2003 Table II- A: Single sampling plans for normal inspection.
Appendix H: Sample Tables of ANSI/ASQ Z1.4-2003 and ANSI/ASQ Z1.9-2003 395