Front matter -- Preface -- Acknowledgment of Reviewers -- Contents -- Figures, Tables, and Boxes -- Acronyms and Abbreviations -- Glossary -- Executive Summary -- 1 Introduction -- 2 Chemical Agent Monitoring Challenges -- 3 Properties of Measurements and Measurement Systems for Airborne Agents -- 4 Current Chemical Agent Monitoring Systems -- 5 Prospective Innovative Chemical Agent Monitoring Technologies -- 6 Opportunities for Improved Chemical Agent Monitoring -- 7 Findings and Recommendations -- Appendix A Biographical Sketches of Committee Members -- Appendix B Committee Meetings and Other Activities -- Appendix C Sense of the Senate on Airborne Chemical Agent Monitoring Systems at U.S. Chemical Stockpile Sites.