#### § 29.2439 Lugs (X Group).

This group consists of leaves that normally grow near the bottom of the stalk. These leaves usually have a blunt tip, tend to roll, and show ground injury.

| U.S. grades | Grade names and specifications |
| --- | --- |
| X1L | Choice Light-brown Lugs. |
| | Thin to medium body, ripe, firm to open, oily, normal strength, clear finish, moderate color intensity, 95 percent uniform, and 5 percent injury tolerance. |
| X2L | Fine Light-brown Lugs. |
| | Thin to medium body, ripe, firm to open, oily, normal strength, clear finish, moderate color intensity, 90 percent uniform, and 10 percent injury tolerance. |
| X3L | Good Light-brown Lugs. |
| | Thin to medium body, ripe, open, lean in oil, normal strength, dull finish, pale color intensity, 80 percent uniform, and 20 percent injury tolerance. |
| X4L | Fair Light-brown Lugs. |
| | Thin to medium body, mature open, lean in oil, weak, dull finish, pale color intensity, 70 percent uniform, and 30 percent injury tolerance. |
| X5L | Low Light-brown Lugs. |
| | Thin to medium body, mature, open, lean in oil, weak, dull finish, pale color intensity, 60 percent uniform, and 40 percent injury tolerance. |
| X1F | Choice Medium-brown Lugs. |
| | Medium body, ripe, firm to open, oily, normal strength, clear finish, moderate color intensity, 95 percent uniform, and 5 percent injury tolerance. |
| X2F | Fine Medium-brown Lugs. |
| | Medium body, ripe, firm to open, oily, normal strength, clear finish, moderate color intensity, 90 percent uniform, and 10 percent injury tolerance. |
| X3F | Good Medium-brown Lugs. |
| | Medium body, ripe, open, lean in oil, normal strength, dull finish, pale color intensity, 80 percent uniform, and 20 percent injury tolerance. |
| X4F | Fair Medium-brown Lugs. |
| | Thin to medium body, mature, open, lean in oil, weak, dull finish, pale color intensity, 70 percent uniform, and 30 percent injury tolerance. |
| X5F | Low Medium-brown Lugs. |
| | Thin to medium body, mature, open, lean in oil, weak, dull finish, pale color intensity, 60 percent uniform, and 40 percent injury tolerance. |
| X1D | Choice Dark-brown Lugs. |
| | Medium to heavy body, ripe, firm to open, oily, normal strength, clear finish, moderate color intensity, 95 percent uniform, and 5 percent injury tolerance. |
| X2D | Fine Dark-brown Lugs. |
| | Medium to heavy body, ripe, firm to open, oily, normal strength, clear finish, moderate color intensity, 90 percent uniform, and 10 percent injury tolerance. |
| X3D | Good Dark-brown Lugs. |
| | Medium to heavy body, ripe, open, lean in oil, normal strength, dull finish, pale color intensity, 80 percent uniform, and 20 percent injury tolerance. |
| X4D | Fair Dark-brown Lugs. |
| | Medium to heavy body, mature, open, lean in oil, weak, dull finish, pale color intensity, 70 percent uniform, and 30 percent injury tolerance. |
| X5D | Low Dark-brown Lugs. |
| | Medium to heavy body, mature, open, lean in oil, weak, dull finish, pale color intensity, 60 percent uniform, and 40 percent injury tolerance. |
| X3M | Good Mixed Color Lugs. |
| | Medium to heavy body, mature, open, lean in oil, normal strength, 80 percent uniform, and 20 percent injury tolerance. |
| X4M | Fair Mixed Color Lugs. |
| | Thin to medium body, mature, open, lean in oil, weak, 70 percent uniform, and 30 percent injury tolerance. |
| X5M | Low Mixed Color Lugs. |
| | Thin to medium body, mature, open, lean in oil, weak, 60 percent uniform, and 40 percent injury tolerance. |
| X3G | Good Green Lugs. |
| | Medium to heavy body, mature, firm, lean in oil, normal strength, dull finish, 80 percent uniform, and 20 percent injury tolerance. |
| X4G | Fair Green Lugs. |
| | Medium to heavy body, immature, close, lean in oil, weak, dull finish, 70 percent uniform, and 30 percent injury tolerance. |
| X5G | Low Green Lugs. |
| | Thin to medium body, immature, close, lean in oil, weak, dull finish, 60 percent uniform, and 40 percent injury tolerance. |