7 CFR § 29.2441 - Scrap (S Group).

A byproduct of unstemmed and stemmed tobacco. Scrap accumulates from handling tobacco in farm buildings, warehouses, packing and conditioning plants, and stemmeries.

U.S. grade	Grade name and specifications
S	Scrap. Tangled, whole, or broken unstemmed leaves, or the web portions of tobacco leaves reduced to scrap by any process.