[Code of Federal Regulations]
[Title 19, Volume 2]
[Revised as of April 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 19CFR151.61]

[Page 194-195]
 
                        TITLE 19--CUSTOMS DUTIES
 
  CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY
 
PART 151--EXAMINATION, SAMPLING, AND TESTING OF MERCHANDISE--Table of Contents
 
                        Subpart E--Wool and Hair
 
Sec. 151.61  Definitions.


    The following are general definitions for the purposes of this 
subpart:
    (a) Clean kg. `Clean kg' means kilograms of clean yield as defined 
in paragraph (b) of this section.
    (b) Clean yield. Except for the purposes of carbonized fibers, 
``Clean yield'' means the absolute clean content (that is, all that 
portion of the merchandise which consists exclusively of wool or hair 
free of all vegetable and other foreign material, containing by weight 
12 percent of moisture and 1.5 percent of material removable from the 
wool or hair by extraction with alcohol, and having an ash content of 
not over 0.5 percent by weight), less an allowance, equal by weight to 
0.5 percent of the absolute clean content plus 60 percent of the 
vegetable matter present, but not exceeding 15 percent by weight of the 
absolute clean content, for wool or hair that would ordinarily be lost 
during commercial cleaning operations.
    (c) For the purposes of carbonized fibers, the term clean yield 
means the condition as entered.
    (d) Sampling unit. ``Sampling unit'' means all the similar packages 
covered by one entry or withdrawal containing

[[Page 195]]

wool or hair of the same kind or same general condition and character, 
produced in the same country, packed in substantially the same manner, 
and entered as or found to be subject to the same rate of entry.
    (e) General sample. ``General sample'' means the composite of the 
individual portions of wool or hair drawn from a sampling unit.

[T.D. 73-175, 38 FR 17470, July 2, 1973, as amended by T.D. 89-1, 53 FR 
51269, Dec. 21, 1988]