23.50.044
All Industrial zones—Standards for major odor sources
Seattle Municipal Code · Seattle Mun. Code § 23.50.044
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A. Major odor sources in Industrial Buffer and Industrial Commercial zones 1. Uses that involve the following odor-emitting processes or activities are major odor sources: a. Lithographic, rotogravure, or flexographic printing; b. Film burning; c. Fiberglassing; d. Selling of gasoline and/or storage of gasoline in tanks larger than 260 gallons; e. Handling of heated tars and asphalts; f. Incinerating (commercial); g. Metal plating; h. Tire buffing; i. Vapor degreasing; j. Wire reclamation; k. Use of boilers (greater than 106 British thermal units per hour, 10,000 pounds steam per hour, or 30 boiler horsepower); l. The production or processing of cannabis products by a major cannabis activity; and m. Other uses creating similar odor impacts. 2. Uses that employ the following processes shall be considered major odor sources, unless the entire activity is conducted as part of a commercial use other than food processing or heavy commercial services: a. Cooking of grains; b. Smoking of food or food products; c. Fish or fishmeal processing; d. Coffee or nut roasting; e. Deep-fat frying; f. Dry cleaning; g. Animal food processing; and h. Other uses creating similar odor impacts. B. Major odor sources in General Industrial zones 1. Uses that involve the following odor-emitting processes or activities in General Industrial zones are major odor sources: a. The production or processing of cannabis products by a major cannabis activity. C. When an application is made in an Industrial zone for a use which is determined to be a major odor source, the Director, in consultation with the Puget Sound Clean Air Agency (PSCAA), shall determine the appropriate measures to be taken by the applicant in order to significantly reduce potential odor emissions and airborne pollutants. Measures to be taken shall be indicated on plans submitted to the Director, and may be required as conditions for the issuance of any permit. Once a permit has been issued, any measures which were required by the permit shall be maintained. (Ord. 127099 , § 42, 2024 [changed "marijuana" to "cannabis"]; Ord. 124969 , § 21, 2016; Ord. 124378 , § 51, 2013; Ord. 121477 § 26, 2004; Ord. 113658 § 4(part), 1987.)