1. Paper and Other Web Coating Process Overview Diagrams This document provides diagrams of common web coating processes. The document is intended to be used for informational purposes only. Gravure Coating Unit Gravure Adhesive Lamination Line Three-roll Reverse-roll Coater Knife Coater Dip Roll Coater Extrusion Process Calendering Process Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

2. Credits: This document was made possible through the efforts of the POWC Implementation Tool Development Partnership effort, an effort to bring together the regulated and regulatory community. It was through a group effort that this document was developed. The logo of the partner who was the lead for this tool is listed first below. To see a description of our partners or to get more information about the partnership effort, see http://wwww.epa.gov/ttn/atw/powc/powcpg.htmlhttp://wwww.epa.gov/ttn/atw/powc/powcpg.html Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

3. Gravure Coating Unit Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

5. Gravure Adhesive Lamination Line Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

6. Gravure Adhesive Lamination Line Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

7. Three-roll Reverse-roll Coater Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

9. Knife Coater Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

11. Dip Roll Coater Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

13. Extrusion Process Extrusion Example 1 –General process overview Extrusion Example 2 –Detailed diagram of the extruder Extrusion Example 3 –Diagram showing substrate details Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

14. Extrusion Example 1 Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

15. Extrusion Example 2 Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04

17. Calendering Process Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04