Patent ID: 6941794

Claim:
A residue collection system comprising: an aerosol chamber including: an internal area; an intake plenum, said intake plenum being capable of collecting air from said internal area; and a set of pinch rollers, said pinch rollers being capable of compressing a mail piece located within said internal area; wherein said mail piece can be directed into said pinch rollers, said pinch rollers compressing said mail piece so as to force out some internal air from within said mail piece into said internal area, said internal air including a residue of a substance present in said mail piece; wherein said intake plenum can take in at least a portion of said internal air including said residue from said internal area; wherein said intake plenum can supply said internal air including said residue to a detection system capable of detecting said residue; and wherein said residue collection system is part of a Dual Pass Rough Cull System (DPRCS), said DPRCS serving to provide said mail piece to said aerosol chamber.