The below links direct to the applicable forms and files that make up the PennDOT Asphalt Electronic State Book (ESB), the PennDOT Aggregate Plant Book, and the PennDOT Concrete Plant Book.  The Asphalt ESB is intended for use by approved Producers of Asphalt Mixture listed in PennDOT Publication 41 (Bulletin 41) for documenting Asphalt Mixture Producer Quality Control (QC) data.  The Aggregate Plant book is intended for use by approved Aggregate Producers listed in PennDOT Publication 34 (Bulletin 14) for documenting Aggregate Producer Quality Control (QC) data.  The Concrete Plant Book is intended for use by approved Producers of Ready Mix Concrete listed in PennDOT Publication 42 (Bulletin 42) for documenting Ready Mix Concrete Producer Quality Control (QC) data.