7 Pa. Code § 87.31
The following standards shall be used to classify wholesale grades of shell eggs:
| Maximum percentage of eggs | Maximum tolerance permitted | |||||
| of specific qualities reuired | (lot average) | |||||
| Wholesale grade description | AA quality | A quality | B quality | B quality | Dirties | Loss |
| or better | or better | dirties | and checks | (percent) | ||
| and checks | (percent) | |||||
| (percent) | ||||||
| U. S. specials—percent AA quality (The actual total percentage must be stated in the grade name) | 20 | Balance | None except for tolerance | 7.5 | 2 | |
| U. S. extras—percent A quality (The actual total percentage must be stated in the grade name) | 20 | Balance | 11.7 | 3 | ||
| U. S. standards—percent B quality (The actual total percentage must be stated in the grade name) | 84.3 | 11.7 | 4 |
1 Substitution of eggs possessing higher qualities for those possessing lower specified qualities shall be permitted.
The provisions of this § 87.31 adopted August 18, 1964; amended June 16, 1972, effective June 17, 1972, 2 Pa.B. 1042; amended April 5, 1974, effective April 6, 1974, 4 Pa.B. 660; amended through January 29, 1982, effective April 30, 1982, 12 Pa.B. 468. Immediately preceding text appears at serial pages (4063), (12230) and (12232).