Student is proficient to class any type of wool in any setting in any region in the United States. Certification will be granted by a review committee appointed by the American Wool Council. ASI provides: certificate for level III and level changes to the ASI Classer Database and ASI website.

Grade 58's Wool top with an average fiber diameter of 25.60 to 27.09 microns, inclusive, and a fiber diameter dispersion that meets the following requirements: a. 30 microns and under-not less than 72 percent.

The official grades of wool top shall be those established in §§31.101 through 31.116: Provided, however, That wool top which qualifies for any of the grades in §§31.101 through 31.116 on the basis of its average fiber diameter but fails to meet the fiber diameter dispersion

offered for wool. A better understanding of wool and its grades will enable the producer to recog nize and address two major areas of concern: genetic uniformity and management techniques of wool har vesti. eter of the fiber. The diameter of the fiber is indicative of the weight of material that can be produce.