§158.3 Definitions
For the purposes of this part the following definitions shall apply:
?。╝） Lot. A collection of primary containers or units of the same size, type and style manufactured or packed under similar conditions and handled as a single unit of trade.
?。╞） Lot size. The number of primary containers or units （pounds when in bulk） in the lot.
（c） Sample size. The total number of sample units drawn for examination from a lot.
?。╠） Sample unit. A container, a portion of the contents of a container, or a composite mixture of product from small containers that is sufficient for the examination or testing as a single unit.
?。╡） Defective. Any sample unit shall be regarded as defective when the sample unit does not meet the criteria set forth in the standards.
?。╢） Acceptance number. The maximum number of defective sample units permitted in the sample in order to consider the lot as meeting the specified requirements. The following acceptance numbers shall apply:
| Lot size (primary container) | Size container | |
| n1 | c2 | |
| net weight equal to or less than 1 kg (2.2 lb) | ||
| 4,800 or less | 13 | 2 |
| 4,801 to 24,000 | 21 | 3 |
| 24,001 to 48,000 | 29 | 4 |
| 48,001 to 84,000 | 48 | 6 |
| 84,001 to 144,000 | 84 | 9 |
| 144,001 to 240,000 | 126 | 13 |
| Over 240,000 | 200 | 19 |
| net weight greater than 1 kg (2.2 lb) | ||
| Number of Pounds | ||
| 20,000 or less | 13 | 2 |
| More than 20,000 to 100,000 | 21 | 3 |
| More than 100,000 to 200,000 | 29 | 4 |
| More than 200,000 to 400,000 | 48 | 6 |
| More than 400,000 to 600,000 | 84 | 9 |
| More than 600,000 to 1,000,000 | 126 | 13 |
| More than 1,000,000 | 200 | 19 |
| 1 n=number of sample units. | ||
| 2 c=acceptance number. | ||
?。╣） Acceptable quality level （AQL ）. The maximum percent of defective sample units permitted in a lot that will be accepted approximately 95 percent of the time.
[42 FR 14461, Mar. 15, 1977]
