The NIOSH Pocket Guide to Chemical Hazards presents information taken from the NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards, from National Institute for Occupational Safety and Health (NIOSH) criteria documents and Current Intelligence Bulletins, and from recognized references in the fields of industrial hygiene, occupational medicine, toxicology, and analytical chemistry.

Introduction
NIOSH Recommendations
How to Use This Pocket Guide

Table 1 – NIOSH Manual of Analytical Methods
Table 2 – Personal Protection and Sanitation Codes
Table 3 – Symbols, Code Components, and Codes Used for Respirator Selection
Table 4 – Selection of N-, R-, or P-Series Particulate Respirators
Table 5 – Abbreviations for Exposure Routes, Symptoms, and Target Organs
Table 6 – Codes for First Aid Data

Chemical Listing

Appendices
Appendix A – NIOSH Potential Occupational Carcinogens
Appendix B – Thirteen OSHA-Regulated Carcinogens
Appendix C – Supplementary Exposure Limits
Appendix D – Substances with No Established RELs
Appendix E – OSHA Respirator Requirements for Selected Chemicals
Appendix F – Miscellaneous Notes
Appendix G – Vacated 1989 OSHA PELs

Indices
CAS Number Index
DOT ID Number Index
Chemical, Synonym, and Trade Name Index