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| Grades | 51.1540 – 51.1543 | |||||||||||||
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35 FR 18258, Dec. 1, 1970, unless otherwise noted. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981.
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“U.S. No. 1” consists of potatoes which meet the following requirements:
(a) Similar varietal characteristics, except when designated as a mixed or specialty pack;
(b) Firm;
(c) Fairly clean;[2]
(d) Fairly well shaped;
(e) Free from:
(1) Freezing;
(2) Blackheart;
(3) Late blight, southern bacterial wilt and ring rot; and,
(4) Soft rot and wet breakdown.
(f) Free from damage by any other cause. See §§ 51.1564 and 51.1565.
(g) Size. Not less than 17⁄8 inches in diameter, unless otherwise specified in connection with the grade.
(h) For tolerances see § 51.1546.
[35 FR 18258, Dec. 1, 1970, as amended at 76 FR 31789, June 2, 2011]
“U.S. Commercial” consists of potatoes which meet the requirements of U.S. No. 1 grade except for the following:
(a) Free from serious damage caused by:
(1) Dirt or other foreign matter;
(2) Russet scab; and,
(3) Rhizoctonia.
(b) Increased tolerances for defects specified in § 51.1546.
“U.S. No. 2” consists of potatoes which meet the following requirements:
(a) Similar varietal characteristics, except when designated as a mixed or specialty pack;
(b) Not seriously misshapen;
(c) Free from:
(1) Freezing;
(2) Blackheart;
(3) Late blight, southern bacterial wilt and ring rot; and,
(4) Soft rot and wet breakdown.
(d) Free from serious damage by any other cause. See §§ 51.1564 and 51.1565.
(e) Size. Not less than 11⁄2 inches in diameter, unless otherwise specified in connection with the grade.
(f) For tolerances see § 51.1546.
[35 FR 18258, Dec. 1, 1970, as amended at 76 FR 31789, June 2, 2011]