THE HANDBOOK WAS CREATED BY A VETERAN FIREFIGHTER; PERIODIC UPDATES OF THE WORK ARE PLANNED. LISTED IN ALPHABETICAL ORDER ARE OVER 3,300 CHEMICALS, INCLUDING COMMON AND BRAND NAMES. SYNONYMS ARE NOTED IN PARENTHESES. AS APPROPRIATE, THE FOLLOWING DATA ARE PRESENTED FOR EACH SUBSTANCE: DEGREE OF TOXICITY WHEN INHALED; TOXICITY UPON CONTACT WITH THE SKIN OR WHEN ABSORBED THROUGH THE SKIN; VAPOR DENSITY; SPECIFIC GRAVITY; WATER SOLUBILITY; U.S. DEPARTMENT OF TRANSPORTATION CLASSIFICATION; FLASH POINT; FLAMMABILITY RANGE; IGNITION TEMPERATURE; HAZARDS UPON RELEASE OF COMBUSTION PRODUCTS INTO THE ATMOSPHERE; EXTENT OF DANGER FROM FIRE INVOLVING THE SUBSTANCE; ADVICE TO FIREFIGHTING CREWS; AND, AS SPACE PERMITS, REMARKS TO LAW OFFICERS. THE SIGNIFICANCE OF EACH CATEGORY OF DATA IS EXPLAINED IN AN INTRODUCTORY SECTION. ALSO INCLUDED ARE GENERAL FIRE-FIGHTING AND EMERGENCY PROCEDURES FOR VARIOUS CLASSIFICATIONS OF MATERIALS.