Free from groundwood pulp and any polychlorinated biphenyls. Any percent over 30 percentage points, is encouraged, provided that the requirements of this Standard are met. A tolerance of 5 pct shall be allowed. The images shall be permanent. For colored stock, paper shall match one of the established standards.
Standards are blue, buff, green, goldenrod, pink, salmon, or yellow.
Colors shall not fade and shall appear even and uniform on the surface of the sheet. When a match to a Government color standard has not been specified, the commercial standards for these colors or white are applicable. Color coordinates for selected standards are included in Part 3. Shall be uniform. The dirt count for each side of the paper shall not exceed 650 specks per square meter.