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Cryogenics.

Municipal Code of Chicago § 18-28-502.8.3
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18-28-502.8.3 Cryogenics. Storage areas for stationary or portable containers of cryogenic fluids in any quantity shall be ventilated in accordance with Section 18-28-502.7. Indoor areas where cryogenic fluids in any quantity are dispensed shall be ventilated in accordance with the requirements of Section 18-28-502.7.4 in a manner that captures any vapor at the point of generation. Exception: Ventilation for indoor dispensing areas is not required where it can be demonstrated that the cryogenic fluids do not create harmful vapors.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687109Fetched: 10/24/2026

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18-28-502.8.3 | Corpus