{"data":{"id":"us-nyc/n.y.c.-admin.-code-mc-408","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § MC 408","heading":"Section MC 408: Ventilation of Non-Production Chemical Laboratories","body":"408.1 General.\n\nNon-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.","path":["New York City Administrative Code","Title 28","Chapter 8: New York City Mechanical Code"],"source_url":"https://files.amlegal.com/pdffiles/NewYorkCity/Admin/XML.zip","current_through":"Local Law 2026/135 (enacted August 31, 2026)","vintage":"","retrieved_at":"2026-09-06T02:48:57Z","sha256":"5b22a65e8d6c2f77fbba31182eae19d833567494cecc0a51ba7f86d1a7ede1ee","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-mc-407","next":"us-nyc/n.y.c.-admin.-code-mc-501"},"notice":"GroundRules: Original legal text. Not legal advice."}