On May 17, 2006, the Department received a letter, dated May 9, 2006, and postmarked May 10, 2006, from Lester M. Lampman and several individuals associated with the petitioning group. 4 The letter requested an extension of the comment period and contained comments on the PF. Attached to the letter were a photograph, a photocopy of a photograph, and 11 pages of documents to supplement their commen