Propane cylinders in St. Louis must be stored, transported, and connected per the adopted International Fire Code, with tank size, distance, and ventilation rules enforced by the St. Louis Fire Department.
St. Louis has adopted the International Fire Code through Title X of the Revised Code, including IFC Chapter 61 on liquefied petroleum gas. Residential propane cylinders for grills are limited to two twenty-pound tanks per dwelling unit and must be stored outdoors away from windows, doors, and ventilation intakes. Larger tanks require permits, professional installation, and compliance with NFPA 58 setback distances. Cylinders cannot be stored in basements, on balconies above the first floor of multifamily buildings, or near combustibles. SLFD Fire Marshal handles permits and inspections for commercial and large residential systems.
Improper storage triggers SLFD code violations and removal orders; oversized residential tanks without permits face fines and abatement; refilling expired cylinders is a federal DOT violation.
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