1 Introduction 2 Mechanisms of odor formation and its transport 3 Distinctive odors 4 Taste 5 Fogging 6 Reasons for odor formation in plastic materials 7 Methods of testing in odor analysis 8 Odor in relation to different polymers 9 Odor in various products 10 Effect of processing method 11 Methods of odor removal 12 Regulations 13 Health and safety 14 Indoor air quality