2.5 AQL Chart For the Fashion Industry : Acceptable Quality Levels
AQL Charts  Quality Testing  Inspections  4.0 AQL  AQL Glossary

First of all, let me start by saying that I am NOT a mathematician.  I have absolutely no clue how to develop statistical analysis calculations.  The fact of the matter is that I am not even certain what association originally developed the AQL standards.  Over the past numerous years, I have seen many charts floating around the fashion industry explaining how to utilize AQL for inspecting garment production.  What I have attempted to do is take the previously existing charts, and compile the date in a slightly different format to make the chart easier to read.  In doing such, I have removed much of the table that I believe is not necessarily directly relevant to the apparel industry.  Note:  Please use this chart and method illustrated at your own risk.  Industry standards may have changed.  This is simply a guide that you may wish to follow.  If you are doing inspections for a specific company, we suggest you contact them for the exact requirements.

How to Use This AQL Chart

IMPORTANT NOTE: This page previously had "arrows" in the chart.  Those are no longer visible.

Acceptable Quality Levels AQL Chart      
               
Single Sampling Plans for Normal Inspection          
               
    Apparel Search 2008 :  ApparelSearch.com
Sample Size Code Letter Sample Size(number of samples)
2.5 AQL
Acceptable Rejected
A 2  
 
 
 
B 3    
C 5 0 1
D 8
E 13  
 
 
 
F 20 1 2
G 32 2 3
H 50 3 4
J 80 5 6
K 125 7 8
L 200 10 11
M 315 14 15
N 500 21 22
P 800  
 
 
 
Q 1250    
R 2000    
               
This down arrow means, use the first sampling plan ABOVE the arrow.
               
Sample Size Code Letters          
               
    Special Inspection Levels      
Lot or Batch Size S-1 S-2 S-4   I II  
2 to 8 A A A A A  
9 to 15 A A A A B  
16 to 25 A A B B C  
26 to 50 A B C C D  
51 to 90 B B C C E  
91 to 150 B B D D F  
151 to 280 B C E E G  
281 to 500 B C E F H  
501 to 1,200 C C F J  
1,201 to 3,200 C D G H K  
3,201 to 10,000 C D G J L  
10,001 to 35,000 C D H K M  
35,001 to 150,000 D E J L N  
150,001 to 500,000 D E J M P  
500,001 and over D E K N Q  

Example:

If an order is 10,500 units. When using General Inspection Level II, the factory learns from the second chart that this quantity order equates to "M".  The factory then goes to the first chart and sees that for "M" they should inspect 315 garments.  If they want a 2.5 AQL they can have 14 defective units or less from the 315 that they inspect.  If they have 15 defective units or more they are rejected.

The defects are based on defective units (defective garment).  It is not based on each actual defect on the garment.  For example, a shirt may have 3 different defects on the shirt, but this is only registered as "one" defective garment.

For your reference, we typically use General Inspection Level II

Note:  Please use this chart and method illustrated at your own risk.  Industry standards may have changed.  This is simply a guide that you may wish to follow.  If you are doing inspections for a specific company, we suggest you contact them for the exact requirements.

Learn about the following:

Quality Control Managers

Piece Good Inspection

Cutting Room Quality Control

fabric Defects

In-Process Quality Control

Quality Assurance

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