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Abstract: Many of you are faced with the non-productive problem of odor control as are other industrial concerns in our modern civilization. The purpose of this paper is to present the facts regarding odor control by the means of chemical applications in mushroom composting areas. First we will discuss the generalities of the broad concept of industrial odor control, then focus our full attention on methods that have contributed to successful control in the mushroom industry. Despite the efforts of most industries to locate in areas where they will not create a public nuisance, population explosions around existant industrial sites have given rise to public relation problems which were not initially expected. Local air pollution groups consider industrial malodors to be one of the main problems under their jurisdiction. Also public interest in modern methods of odor control has been stimulated by recent publicity. Public awareness of scientific research in this area and lay publications of articles on new developments in the field of odor control have roused the public. Modern chemical techniques have made possible the isolation of many malodorous chemicals. Many of these substances appear industrially either singularly or in complex groups and cause air pollution which creates an unfavorable impression in the community. Based on the theory that for every negative malodorous chemical existant, there is a positive chemical that is pleasing to the sense of smell, researchers have paired up many thousands of negative and positive groups, which counteract one another. No chemical reaction is involved in this counteraction process, only the substitution of proper quantities of pleasant chemicals to neutralize the malodorous chemicals. Such reactions can be demonstrated both in the laboratory or in the field.
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