Public Law 83–629

That section 4 of the Flammable Fabrics Act (15 U. S. C., sec. 1193) is hereby amended by inserting at the end thereof the following subsection:

“(c)“(c)

Notwithstanding the provisions of paragraph 3.1 Commercial Standard 191–53, textiles free from nap, pile, tufting, flock, or other type of raised fiber surface when tested as described in said standard shall be classified as class 1, normal flammability, when the time of flame spread is three and one-half seconds or more, and as class 3, rapid and intense burning, when the time of flame spread is less than three and one-half seconds.”

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