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Acceptable Quality Level - AQL Master tables
| Level I | Level III |


INSPECTION LEVEL - General Level II
SAMPLING PLAN - Single Normal
Sample Sizes and Reject Levels
Acceptable Quality Level (AQL)

Lot size
Code letter
Sample size
0.65
1.0
1.5
2.5
4.0
6.5
10
15
2 to 8
A
2
1
^
V
9 to 15
B
3
1
^
V
2
16 to 25
C
5
1
^
V
2
3
26 to 50
D
8
1
^
V
2
3
4
51 to 90
E
13
1
^
V
2
3
4
6
91 to 150
F
20
1
^
V
2
3
4
6
8
151 to 280
G
32
^
V
2
3
4
6
8
11
281 to 500
H
50
V
2
3
4
6
8
11
15
501 to 1200
J
80
2
3
4
6
8
11
15
22
1201 to 3200
K
125
3
4
6
8
11
15
22
3201 to 10000
L
200
4
6
8
11
15
22
10001 to 35000
M
315
6
8
11
15
22
35001 to 150000
N
500
8
11
15
22
150001 to 500000
P
800
11
15
22
500001 over
Q
1250
15
22
 
                 

INSPECTION LEVEL - General Level III
SAMPLING PLAN - Single Tightened
Sampling Sizes and Reject Levels
Acceptable Quality Level (AQL)

Lot size
Code letter
Sample size
0.65
1.0
1.5
2.5
4.0
6.5
10
15
2 to 8
A
2
9 to 15
B
3
1
V
16 to 25
C
5
1
V
2
26 to 50
D
8
1
V
2
3
51 to 90
E
13
1
V
2
3
4
91 to 150
F
20
1
V
2
3
4
6
151 to 280
G
32
1
V
2
3
4
6
9
281 to 500
H
50
V
2
3
4
6
9
13
501 to 1200
J
80
V
2
3
4
6
9
13
19
1201 to 3200
K
125
2
3
4
6
9
13
19
^
3201 to 10000
L
200
3
4
6
9
13
19
^
10001 to 35000
M
315
4
6
9
13
19
^
35001 to 150000
N
500
6
9
13
19
^
150001 to 500000
P
800
9
13
19
^
500001 over
Q
1250
13
 19
^
 
                 


INSPECTION LEVEL - General Level I
SAMPLING PLAN - Single Reduced
Sampling Sizes and Reject Levels
Acceptable Quality Level (AQL)

Lot size
Code letter
Sample size
0.65
1.0
1.5
2.5
4.0
6.5
10
15
2 to 8
A
2
1
^
V
9 to 15
B
3
1
^
V
2
16 to 25
C
5
1
^
V
2
3
26 to 50
D
8
1
^
V
2
3
4
51 to 90
E
13
1
^
V
2
3
4
5
91 to 150
F
20
1
^
V
2
3
4
5
6
151 to 280
G
32
^
V
2
3
4
5
6
8
281 to 500
H
50
V
2
3
4
5
6
8
10
501 to 1200
J
80
2
3
4
5
6
8
10
13
1201 to 3200
K
125
3
4
5
6
8
10
13
^
3201 to 10000
L
200
4
5
6
8
10
13
^
10001 to 35000
M
315
5
6
8
10
13
^
35001 to 150000
N
500
6
8
10
13
^
150001 to 500000
P
800
8
10
13
^
500001 over
Q
1250
10
13
^
 
                 

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