Proposed Changes by Subject—National Fire Code 2025

A hyperlinked number (e.g., ^{Footnote 1}) at the end of a proposed change link leads to a supporting document for that proposed change.

List of Supporting Documents

National Fire Code 2025 (Proposed changes to 7 provisions)

Flammable and Combustible Liquids

(Proposed changes to 3 provisions)

Div.B 4.1.2.1. Classification

• 2145 - Classification of Water-Miscible Liquid Mixtures

Div.B 4.1.2.2. Water-Miscible Liquid Mixtures

• 2145 - Classification of Water-Miscible Liquid Mixtures
• 2153 - Classification of Additional Water Miscible Liquid Mixtures

Hazardous Processes and Operations

(Proposed changes to 1 provision)

Div.B 5.6.1.9. Fuel Supply Installation

• 2161 - Addition of Reference to CAN/CSA-B138.1-17/CAN/CSA-B138.2-17

Piping and Transfer Systems

(Proposed changes to 1 provision)

Div.B 4.5.2.1. Materials

• 2112 - Introduction of a New Standard for Aboveground Piping Systems

Referenced Documents

(Proposed changes to 1 provision)

Div.B 1.3.1.2. Applicable Editions

• 2221 - Updates to Referenced Documents (Interim change) ^{Footnote 1}

Storage of Combustible Products and Dangerous Goods

(Proposed changes to 1 provision)

Div.B 4.3.1.2. Atmospheric Storage Tanks

• 2116 - Addition of Reference to ANSI/CAN/UL/ULC 2152:2021