For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.
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Municipal Code of Chicago § 18-28-927.1
in effect
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18-28-927.1 Application. Direct gas-fired industrial air heaters of the recirculating type shall be listed in accordance ANSI Z 83.18, Recirculating Direct Gas-Fired industrial Air Heaters.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688511Fetched: 10/24/2026

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