AQL 2.5 sample size quick reference — General II inspection level. Hover any row below for the full sample plan.
Click any cell to see the full sample plan, worked example, and FAQ for that specific combination. Cells show: sample size → accept/reject . Verified against QIMA's published reference table.
AQL 0.65 — Critical
Lot size GI GII (default) GIII 500 GI: 13 → 0/1 GII: 50 → 0/1 GIII: 80 → 1/2 1,000 GI: 20 → 0/1 GII: 80 → 1/2 GIII: 125 → 2/3 2,400 GI: 32 → 0/1 GII: 125 → 2/3 GIII: 200 → 3/4 4,000 GI: 32 → 0/1 GII: 200 → 3/4 GIII: 315 → 5/6 8,000 GI: 32 → 0/1 GII: 200 → 3/4 GIII: 315 → 5/6 15,000 GI: 50 → 0/1 GII: 315 → 5/6 GIII: 500 → 7/8 30,000 GI: 50 → 0/1 GII: 315 → 5/6 GIII: 500 → 7/8 50,000 GI: 80 → 1/2 GII: 500 → 7/8 GIII: 800 → 10/11 100,000 GI: 80 → 1/2 GII: 500 → 7/8 GIII: 800 → 10/11
AQL 1.0 — Critical-Major boundary
Lot size GI GII (default) GIII 500 GI: 13 → 0/1 GII: 50 → 1/2 GIII: 80 → 2/3 1,000 GI: 20 → 0/1 GII: 80 → 2/3 GIII: 125 → 3/4 2,400 GI: 32 → 0/1 GII: 125 → 3/4 GIII: 200 → 5/6 4,000 GI: 32 → 0/1 GII: 200 → 5/6 GIII: 315 → 7/8 8,000 GI: 32 → 0/1 GII: 200 → 5/6 GIII: 315 → 7/8 15,000 GI: 50 → 1/2 GII: 315 → 7/8 GIII: 500 → 10/11 30,000 GI: 50 → 1/2 GII: 315 → 7/8 GIII: 500 → 10/11 50,000 GI: 80 → 2/3 GII: 500 → 10/11 GIII: 800 → 14/15 100,000 GI: 80 → 2/3 GII: 500 → 10/11 GIII: 800 → 14/15
AQL 1.5 — Major (strict)
Lot size GI GII (default) GIII 500 GI: 13 → 0/1 GII: 50 → 2/3 GIII: 80 → 3/4 1,000 GI: 20 → 0/1 GII: 80 → 3/4 GIII: 125 → 5/6 2,400 GI: 32 → 1/2 GII: 125 → 5/6 GIII: 200 → 7/8 4,000 GI: 32 → 1/2 GII: 200 → 7/8 GIII: 315 → 10/11 8,000 GI: 32 → 1/2 GII: 200 → 7/8 GIII: 315 → 10/11 15,000 GI: 50 → 2/3 GII: 315 → 10/11 GIII: 500 → 14/15 30,000 GI: 50 → 2/3 GII: 315 → 10/11 GIII: 500 → 14/15 50,000 GI: 80 → 3/4 GII: 500 → 14/15 GIII: 800 → 21/22 100,000 GI: 80 → 3/4 GII: 500 → 14/15 GIII: 800 → 21/22
AQL 2.5 — Major (standard)
Lot size GI GII (default) GIII 500 GI: 13 → 0/1 GII: 50 → 3/4 GIII: 80 → 5/6 1,000 GI: 20 → 1/2 GII: 80 → 5/6 GIII: 125 → 7/8 2,400 GI: 32 → 2/3 GII: 125 → 7/8 GIII: 200 → 10/11 4,000 GI: 32 → 2/3 GII: 200 → 10/11 GIII: 315 → 14/15 8,000 GI: 32 → 2/3 GII: 200 → 10/11 GIII: 315 → 14/15 15,000 GI: 50 → 3/4 GII: 315 → 14/15 GIII: 500 → 21/22 30,000 GI: 50 → 3/4 GII: 315 → 14/15 GIII: 500 → 21/22 50,000 GI: 80 → 5/6 GII: 500 → 21/22 GIII: 800 → 21/22 100,000 GI: 80 → 5/6 GII: 500 → 21/22 GIII: 800 → 21/22
AQL 4.0 — Minor
Lot size GI GII (default) GIII 500 GI: 13 → 1/2 GII: 50 → 5/6 GIII: 80 → 7/8 1,000 GI: 20 → 2/3 GII: 80 → 7/8 GIII: 125 → 10/11 2,400 GI: 32 → 3/4 GII: 125 → 10/11 GIII: 200 → 14/15 4,000 GI: 32 → 3/4 GII: 200 → 14/15 GIII: 315 → 21/22 8,000 GI: 32 → 3/4 GII: 200 → 14/15 GIII: 315 → 21/22 15,000 GI: 50 → 5/6 GII: 315 → 21/22 GIII: 500 → 21/22 30,000 GI: 50 → 5/6 GII: 315 → 21/22 GIII: 500 → 21/22 50,000 GI: 80 → 7/8 GII: 500 → 21/22 GIII: 800 → 21/22 100,000 GI: 80 → 7/8 GII: 500 → 21/22 GIII: 800 → 21/22
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For developers — use the open-source npm package
All 90 sampling plans (15 code letters × 6 AQL values) are available as a zero-dependency JavaScript library on GitHub. MIT licensed. Verified against QIMA reference + ISO 2859-1:1999 standard.
