Shows how to choose the most effective techniques for assessing the toxicity of chemicals in both food and the environment. examines a wide range of volatile compounds from toxic aldehydes and pesticides to micotoxins and dioxins.Polycyclic aromatic hydrocarbens; polychlorinated biphenyls; analysis of nitrosamines in foods and beverages; analysis of foods and related samples of heterocyclic amine mutagens/carcinogens; chromatographic analysis of mycotoxins; nitrobenzene and related compounds; chlorohydrocarbons (TCDD); organophosphorous esters; insecticidal carbamates; toxic carbonyl compounds.