Printed 79-percent cap checked on page image. Contrast with TTB primary source; do not use the primer as current legal guidance.
Jim Meehan's 2011 PDT account and supplied 383-sheet PDF.
The 2011 whiskey primer defines straight bourbon with a 51–79 percent corn range. Current TTB materials require at least 51 percent corn and do not give a 79 percent upper ceiling.
PDF sheet 303
Whiskey primer — bourbon
Fresh sequential supplied-PDF page and image check on 2026-10-02; exact PDF-sheet locator.
Evidence
The 2011 whiskey primer defines straight bourbon with a 51–79 percent corn range. Current TTB materials require at least 51 percent corn and do not give a 79 percent upper ceiling.
Location and assessment
Locator: PDF sheet 303
Section: Whiskey primer — bourbon
Printed 79-percent cap checked on page image. Contrast with TTB primary source; do not use the primer as current legal guidance.