Thin Leaf (C Group).

§ 29.2438 Thin Leaf (C Group). This group consists of leaves usually grown at the center portion of the stalk. These leaves normally have a rounded tip, are thinner in body than those of the B group, and show little or no ground injury. Choice- and fine-quality tobacco of this group has a distinctive, smooth leaf surface. U.S. grades Grade names and specifications C1L Choice Light-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, strong, bright finish, deep color intensity, broad, 95 percent uniform, and 5 percent injury tolerance.   Fine Light-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, strong, clear finish, deep color intensity, spready, 90 percent uniform, and 10 percent injury tolerance.   Good Light-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, normal strength, clear finish, moderate color intensity, normal width, 80 percent uniform, and 20 percent injury tolerance. C4L Fair Light-brown Thin Leaf.     Thin to medium body, mature to ripe, close, lean in oil, inelastic, weak, dull finish, pale color intensity, narrow, 70 percent uniform, and 30 percent injury tolerance.   Low Light-brown Thin Leaf.     Thin to medium body, mature to ripe, close, lean in oil, inelastic, weak, dull finish, pale color intensity, narrow, 60 percent uniform, and 40 percent injury tolerance.   Choice Medium-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, strong, bright finish, deep color intensity, broad, 95 percent uniform, and 5 percent injury tolerance. C2F Fine Medium-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, strong, clear finish, deep color intensity, spready, 90 percent uniform, and 10 percent injury tolerance. C3F Good Medium-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, normal strength, clear finish, moderate color intensity, normal width, 80 percent uniform, and 20 percent injury tolerance. C4F Fair Medium-brown Thin Leaf.     Thin to medium body, mature to ripe, close, lean in oil, inelastic, weak, dull finish, pale color intensity, narrow, 70 percent uniform, and 30 percent injury tolerance. C5F Low Medium-brown Thin Leaf.     Thin to medium body, mature to ripe, close, lean in oil, inelastic, weak, dull finish, pale color intensity, narrow, 60 percent uniform, and 40 percent injury tolerance. C2D Fine Dark-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, oily, semielastic, strong, clear finish, deep color intensity, spready, 90 percent uniform, and 10 percent injury tolerance. C3D Good Dark-brown Thin Leaf.     Thin to medium body, mature to ripe, firm, lean in oil, inelastic, normal strength, clear finish, moderate color intensity, normal width, 80 percent uniform, and 20 percent injury tolerance. C4D Fair Dark-brown Thin Leaf.     Thin to medium body, mature to ripe, close, lean in oil, inelastic, weak, dull finish, pale color intensity, narrow, 70 percent uniform, and 30 percent injury tolerance. C5D Low Dark-brown Thin Leaf.     Thin to medium body, mature to ripe, close, lean in oil, inelastic, weak, dull finish, pale color intensity, narrow, 60 percent uniform, and 40 percent injury tolerance. C3M Good Mixed Color Thin Leaf.     Thin to medium body, mature, firm, oily, semielastic, normal strength and width, 80 percent uniform, and 20 percent injury tolerance. C4M Fair Mixed Color Thin Leaf.     Thin to medium body, mature, close, lean in oil, inelastic, weak, narrow, 70 percent uniform, and 30 percent injury tolerance. C5M Low Mixed Color Thin Leaf.     Thin to medium body, immature, close, lean in oil, inelastic, weak, narrow, 60 percent uniform, and 40 percent injury tolerance. C3G Good Green Thin Leaf.     Thin to medium body, mature, firm, oily, semielastic, normal strength, clear finish, normal width, 80 percent uniform, and 20 percent injury tolerance. C4G Fair Green Thin Leaf.     Thin to medium body, immature, close, lean in oil, inelastic, weak, dull finish, narrow, 70 percent uniform, and 30 percent injury tolerance. C5G Low Green Thin Leaf.     Thin to medium body, immature, close, lean in oil, inelastic, weak, dull finish, narrow, 60 percent uniform and 40 percent injury tolerance.