No marks or inscriptions. No creasing to covers or to spine. A very clean very tight copy with bright unmarked boards, small rub to lower front edge and tiny bump to lower front corner. 325pp.

This book works its way through toxicology, industrial hygiene, occupational exposure limits, chemical hazard data sheets, classification of chemicals, notification laws, food contact legislation and environmental toxicology. The company Exxon supplies chemicals to industry and the book gives data on their products.