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Exhausted enclosures.

Municipal Code of Chicago § 18-28-502.8.7.2
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18-28-502.8.7.2 Exhausted enclosures. Exhausted enclosures containing highly toxic or toxic compressed gases in any quantity shall comply with Section 18-28-502.7.2 and the following requirements: 1. The average ventilation velocity at the face of the enclosure shall be not less than 200 feet per minute (1.02 m/s) with a minimum velocity of 150 feet per minute (0.76 m/s). 2. Exhausted enclosures shall be connected to an exhaust system. 3. Exhausted enclosures shall not be used as the sole means of exhaust for any room or area.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687147Fetched: 10/24/2026

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18-28-502.8.7.2 | Corpus