For more than a quarter century, "Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens" has continued to gather an ever-widening audience of users because it has proven to be among the most reliable, easy-to-use and essential reference works on hazardous materials. Sittig's 5th Edition remains the lone comprehensive work providing a vast array of critical information on the 2,100 most heavily used, transported, and regulated chemical substances of both occupational and environmental concern. Each year in the United States alone, over 350 billion pounds of toxic chemicals are manufactured and more than 8 billion pounds of these hazardous materials are transported through populated areas. It is not surprising that commercial chemical incidents occur tens of thousands of times each year, often with devastating and exorbitantly expensive consequences.Given the reality of problems related to chemical hazards, including accidents and spills, the advent of new threats to our way of life, and the challenges of communicating complex data; "Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, 5th Edition" provides data so that responsible decisions can be made by all who may have contact with the chemicals covered in this reference work. Information is the most vital resource anyone can have when dealing with potential hazardous substance accidents or acts of terror."Sittig's" provides extensive data for each of the 2,100 chemicals in a uniform format, enabling fast and accurate decisions in any situation. The chemicals are presented alphabetically and classified as a carcinogen, hazardous substance, hazardous waste, or toxic pollutant. This new edition contains extensively expanded information in all 28 fields for each chemical (see table of contents) and has been updated to keep pace with world events. Chemicals classified as WMD have been included in the new edition as has more information frequently queried by first responders and frontline industrial safety personnel. Toxic and hazardous chemicals are manufactured in nearly every country in the world. They are a critical part of the global economy and also one of the greatest threats to our safety and security. "Sittig's Handbook" has proven itself, year after year, to be one of the most important major references anyone dealing with these substances can have at their disposal.This 5th Edition will prove that it is, once again, the lone comprehensive work available. This is the lone reference work providing a vast array of critical information on the 2,100 most heavily used, transported, and regulated chemical substances of both occupational and environmental concern. Every chemical record from previous editions has been updated and expanded. Chemical records are presented in a uniform format to ease the task for those who must find vital information quickly and make appropriate response decisions. Expanded regulatory information includes those from European regulatory bodies. It includes materials used for chemical warfare or that are classified as weapons of mass destruction (WMDs). Every person who has to deal with hazardous chemicals directly, or indirectly, should have access to this two volume set.