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Corrosion-resistant fans.

Municipal Code of Chicago § 18-28-503.4
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18-28-503.4 Corrosion-resistant fans. Fans located in systems conveying corrosives shall be of materials that are resistant to the corrosive or shall be coated with corrosion-resistant materials.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687235Fetched: 10/24/2026

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18-28-503.4 | Corpus