ABSTRACT
Chemical substances include different classes and categories of materials. A very broad categorization includes industrial solvents, metals and metal compounds, pesticides, organic and inorganic dusts, fumigants, toxic gases, corrosive chemical substances, asphyxiates, irritants, oxidizing agents, neurotoxicants, nephrotoxicants, carcinogens, mutagens, and teratogens. More information on candidate chemical substances of each group is provided in other pages of the book. The following pages list, in brief, some of the chemical substances for easy identication and proper and judicious use by workers.
