Appendix B ALARA Independent Audit Report

CALENDAR YEAR 2006APPENDIX BINDEPENDENT ALARA AUDITOF THE RADIOLOGICAL AND ENVIRONMENTAL PROGRAMSAT THECOTTER CORPORATION URANIUM MILL, CANON CITY, COLORADOCANON CITY MILLING FACILITYCanon City, Colorado June 29, 2007FINAL REPORT Independent “As Low As is Reasonably Achievable” (ALARA) Audit of the Radiological and Environmental Programs Cotter Corporation Cañon City Milling Facility Cañon City, Colorado Prepared for Cotter Corporation Cañon City Milling Facility Cañon City, Colorado April 30, 2007 URS 8181 East Tufts Avenue Denver, Colorado 80237 Project Number 22239445 Table of Contents Executive Summary........................................................................................................................ 1 Introduction..................................................................................................................................... 2 Scope............................................................................................................................................... 2 Audit Schedule and Participants ..................................................................................................... 4 Audit Method and Nomenclature.................................................................................................... 4 Findings.................................................................................................................................. ...