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§ 361.8(a); or (iv) If the lot of seed is adulterated with the seeds of a noxious weed listed in §361.6(a)(2), the seed may be allowed entry into the United States for feeding or manufacturing purposes, provided the importer withdraws the original declaration and files a new declaration stating that the seed is being imported for feeding or manufacturing purposes and that no part of the seed will be used for seeding (planting) purposes.
(2) Seed deemed adulterated may not be mixed with any other seed unless the Administrator determines that two or more lots of seed deemed adulterated are of substantially the same quality and origin. In such cases, the Administrator may allow the adulterated lots of seed to be mixed for cleaning as provided in paragraph (b)(1)(iii) of this section.
(3) If the labeling of a lot of seed is false or misleading in any respect, the seed will be rejected for entry into the United States. A falsely labeled lot of seed must be:
(i) Exported from the United States; (ii) Destroyed under the monitoring of an APHIS inspector; or
(iii) The seed may be allowed entry into the United States if the labeling is corrected under the monitoring of an APHIS inspector to accurately reflect the character of the lot of seed.
§361.5 Sampling of seeds.
(a) Sample sizes. As provided in §361.4(b), samples of seed will be taken from each lot of seed being imported for seeding (planting) purposes to determine whether any seeds of noxious weeds listed in §361.6(a) are present. The samples shall be drawn in the manner described in paragraphs (b) and (c) of this section. Unused portions of samples of rare or expensive seeds will be returned by APHIS upon request of the importer.
(1) A minimum sample of not less than 1 quart shall be drawn from each lot of agricultural seed; a minimum sample of not less than 1 pint shall be drawn from each lot of vegetable seed, except that a sample of 4 pint will be sufficient for a vegetable seed importation of 5 pounds or less. The minimum
sample shall be divided repeatedly until a working sample of proper weight has been obtained. If a mechanical divider cannot be used or is not available, the sample shall be thoroughly mixed, then placed in a pile; the pile shall be divided repeatedly into halves until a working sample of the proper weight remains. The weights of the working samples for noxious weed examination for each lot of seed are shown in column 1 of table 1 of this section. If the lot of seed is a mixture, the following methods shall be used to determine the weight of the working sample:
(i) If the lot of seed is a mixture consisting of one predominant kind of seed or a group of kinds of similar size, the weight of the working sample shall be the weight shown in column 1 of table 1 of this section for the kind or group of kinds that comprises more than 50 percent of the sample.
(ii) If the lot of seed is a mixture consisting of two or more kinds or groups of kinds of different sizes, none of which comprises over 50 percent of the sample, the weight of the working sample shall be the weighted average (to the nearest half gram) of the weight shown in column 1 of table 1 of this section for each of the kinds that comprise the sample, as determined by the following method:
(A) Multiply the percentage of each component of the mixture (rounded off to the nearest whole number) by the sample sizes shown in column 1 of table 1 of this section;
(B) Add all these products;
(C) Total the percentages of all components of the mixtures; and
(D) Divide the sum in paragraph (a)(1)(ii)(B) of this section by the total in paragraph (a)(1)(ii)(C) of this section.
(2) It is not ordinarily practical to sample and test small lots of seed offered for entry. The maximum sizes of lots of each kind of seed not ordinarily sampled are shown in column 2 of table 1 of this section.
(3) The maximum sizes of lots of each kind of seed allowed entry without sampling for sowing for experimental or breeding purposes as provided in §361.4(a)(4) are shown in column 3 of table 1 of this section.