7 C.F.R. § 31.400
Samples certified as representative of the official standards of the United States for grades of wool and wool top will be furnished as follows, subject to other conditions of this section, upon filing of an approved application and prepayment of costs thereof as fixed in §§ 31.401 and 31.402. The certification will be issued by the United States Department of Agriculture and will be signed by the Director of the Livestock Division or other duly authorized official.
(a) Samples representative of each of the standard grades of wool:
(b) Samples representative of each of the standard grades of wool top:
(c) Each application for standard samples of wool or wool top shall be upon an application form furnished or approved by the Agricultural Marketing Service, shall be signed by the applicant, and shall be accompanied by certified check, draft, post office money order, or express money order, payable to the “Agricultural Marketing Service,” in an amount to cover the cost of the samples requested, and shall incorporate the following agreement:
Note to § 31.400: A sample consists of wool randomly selected from a bulk sample. The measured average and standard deviation of fiber diameter of the bulk sample are within the limits corresponding to the grade of the standard sample as set forth in the voluntary U.S. grade standards. Copies of the voluntary U.S. grade standards can be obtained from Director, Livestock and Seed Division, Agricultural Marketing Service, U.S. Department of Agriculture, P.O. Box 96456, Washington, DC 20090-6456.