New York City · Through Local Law 2026/135 (enacted August 31, 2026)

N.Y.C. Admin. Code § MC 408: Section MC 408: Ventilation of Non-Production Chemical Laboratories

Where this section sits in the code

New York City Administrative Code
Title 28
Chapter 8: New York City Mechanical Code

408.1 General.

Non-production chemical laboratories complying with the hazardous materials quantity limitations of Section 427 of the New York City Building Code shall provide a mechanical ventilation system in accordance with NFPA 45 and Table 403.3.1.1 of this code, except that ducts constructed of combustible materials shall not be permitted.

Collected 2026-09-06T02:48:57Z. Source file · JSON

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