---
kind: "section"
citation: "7 C.F.R. § 51.752"
title: "7"
number: "51.752"
heading: "U.S. No. 1."
url: "https://uscodex.org/cfr/7/51.752"
---

# §51.752. U.S. No. 1.


“U.S. No. 1” consists of grapefruit which meet the following requirements:

- (a) **Basic requirements—**
  - (1) **Discoloration—** Not more than one-third of the surface, in the aggregate, may be affected by discoloration. (See [§ 51.770](/cfr/7/51.770.md).);
  - (2) Fairly smooth texture;
  - (3) Fairly well colored;
  - (4) Firm;
  - (5) Mature;
  - (6) Similar varietal characteristics; and,
  - (7) **Well formed.**
- (b) **Free from—**
  - (1) Decay;
  - (2) Unhealed skin breaks; and,
  - (3) **Wormy fruit.**
- (c) **Free from damage caused by—**
  - (1) Ammoniation;
  - (2) Bruises;
  - (3) Buckskin;
  - (4) Caked melanose;
  - (5) Dirt or other foreign material;
  - (6) Disease;
  - (7) Dryness or mushy condition;
  - (8) Green spots;
  - (9) Hail;
  - (10) Insects;
  - (11) Oil spots;
  - (12) Scab;
  - (13) Scale;
  - (14) Scars;
  - (15) Skin breakdown;
  - (16) Sprayburn;
  - (17) Sprouting;
  - (18) Sunburn;
  - (19) Thorn scratches; and,
  - (20) **Other means.**
- (d) For tolerances see [§ 51.760](/cfr/7/51.760.md).

## Notes

### Source

Source: 61 FR 20703, May 8, 1996, unless otherwise noted.

### Authority

Authority: 7 U.S.C. 1621-1627.