NFPA 400: Hazardous Materials Code
Current Edition: 2013 Next Edition: 2016

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NFPA 400:
2013 Edition
Item #: 40013
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What is NFPA 400?
NFPA 400: Document Scope
1.1 Scope. 1.1.1* Applicability. This code shall apply to the storage, use, and handling of the following hazardous materials in all occupancies and facilities: (1) Ammonium nitrate solids and liquids (2) Corrosive solids and liquids (3) Flammable solids (4) Organic peroxide formulations (5) Oxidizer — solids and liquids (6) Pyrophoric solids and liquids (7) Toxic and highly toxic solids and liquids (8) Unstable (reactive) solids and liquids (9) Water-reactive solids and liquids (10)*Compressed gases and cryogenic fluids as included within the context of NFPA 55, Compressed Gases and Cryogenic Fluids Code 1.1.1.1 Occupancies. Unless otherwise specified in this code, all occupancy definitions and classifications shall be in accordance with the building code. 1.1.1.2 Multiple Hazards. Hazardous materials that are classified in more than one hazard category, as set forth in Section 4.1, shall conform to the code requirements for each hazard category. 1.1.2 Exemptions. 1.1.2.1 The quantity and arrangement limits in this code shall not apply to facilities that use ammonium perchlorate in the commercial manufacture of large-scale rocket motors. 1.1.2.2 This code shall not apply to the following: (1) Storage or use of hazardous materials for individual use on the premises of one- and two-family dwellings (2) Explosives or blasting agents, which are regulated by NFPA 495, Explosive Materials Code, and display fireworks, 1.3 G, which are regulated by NFPA1124, Code for the Manufacture, Transportation, Storage, and Retail Sales of Fireworks and Pyrotechnic Articles (3) Refrigerants and refrigerant oil contained within closed cycle refrigeration systems complying with the fire code and the mechanical code adopted by the jurisdiction (4) High hazard contents stored or used in farm buildings or similar occupancies and in remote locations for on premises agricultural use (5) Corrosive materials in stationary batteries utilized for facility emergency power or uninterrupted power supply, or similar purposes, in accordance with NFPA 1, Fire Code (6) Aerosols complying with NFPA 30B, Code for the Manufacture and Storage of Aerosol Products (7) Consumer fireworks, 1.4G complying with NFPA 1124, Code for the Manufacture, Transportation, Storage, and Retail Sales of Fireworks and Pyrotechnic Articles (8) Corrosive materials displayed in original packaging in mercantile occupancies and intended for personal or household use or as building materials (9) Flammable and combustible liquids having no other physical or health hazard properties covered by this code (10) Organic peroxide formulations that are capable of detonation either unpackaged or in their normal shipping containers under conditions of fire exposure, when in accordance with NFPA 495, Explosive Materials Code (11) Combustible metals, as defined in NFPA484, Standard for Combustible Metals (12) LP-Gas complying with NFPA 58, Liquefied Petroleum Gas Code or NFPA 59, Utility LP-Gas Plant Code (13) When approved, materials that have been satisfactorily demonstrated not to present a potential danger to public health, safety, or welfare, based upon the quantity or condition of storage.
NFPA 400 consolidates fundamental safeguards for the storage, use, and handling of hazardous materials in all occupancies and facilities. The Code does not apply to storage or use of hazardous materials for individual use on the premises of one- and two-family dwellings. Official document scope
What does NFPA 400 address?
The Code's fire and life safety requirements are applicable to a wide range of substances including but not limited to ammonium nitrate solids and liquids, corrosive solids and liquids, flammable solids, organic peroxide formulations, oxidizers, pyrophoric solids and liquids, toxic and highly toxic solids and liquids , unstable (reactive) solids and liquids, water-reactive solids and liquids. Compressed gases and cryogenic fluids are included within the context of NFPA 55.Table Of Contents.
NFPA 400, 2013 Edition: Archived Revision Information
Report on Proposals (ROP)
Report on Proposals (ROP)
Proposals can be submitted for text to be amended or included in NFPA Codes and Standards. Following the Call for Proposals period, the responsible Technical Committee or Panel holds a meeting to consider and act on all submitted proposals. The committee or panel may also develop its own proposals. A document known as the Report on Proposals (ROP) is prepared containing all the Public Proposals, Technical Committees' action on each Proposal, as well as all Committee-generated proposals. The ROP for the document in question is submitted for the approval of the responsible TC or Panel by a formal written ballot. If the ROP does not receive approval via written ballot in accordance with NFPA rules, the Report is returned to the committee for further consideration and is not published. If the necessary approval is received, the ROP is published in a compilation of Reports on Proposals issued by NFPA twice yearly for public review and comment, and the process continues to the next step. The ROP is published and widely distributed and anyone may download or request a copy.
ROP Meeting Notice
ROP Meeting Notice
Note: Please contact the appropriate staff liaison (listed on the Technical Committee tab) for information on attending an NFPA Technical Committee meeting as a guest. Read NFPA"s Regulations Governing Committee Projects (Section 3.3.3.3) for further information.
ROP Meeting Agenda
ROP Meeting Minutes
ROP Ballot
ROP Ballot
The ballots posted on this page are for public information only. Voting on ballots is permitted by committee members only. See NFPA Regulations Governing Committee Projects, Section 3.3.4.
Ballot (PDF, 1 MB)
Ballot Circulation (PDF, 64 KB)
Ballot Final (PDF, 79 KB)
Report on Comments (ROC)
Report on Comments (ROC)
Once the ROP becomes available, there is a 60-day comment period during which time anyone may submit a public comment on the proposed changes documented in the ROP. The committee or panel reconvenes at the end of the comment period and acts on all public comments. This committee or panel may also develop its own comments. As before, approval obtained via written ballot in accordance with NFPA's Regulations is required on all committee and panel actions. All of this information is compiled into a second Report, called the Report on Comments (ROC), which like the ROP, is published and made available for public review for a seven-week period.
Report on Comments (ROC) (PDF, 945 KB)
ROC Meeting Notice
ROC Meeting Notice
Note: Please contact the appropriate staff liaison (listed on the Technical Committee tab) for information on attending an NFPA Technical Committee meeting as a guest. Read NFPA"s Regulations Governing Committee Projects (Section 3.3.3.3) for further information.
ROC Meeting Agenda
ROC Meeting Minutes
ROC Ballot
ROC Ballot
The ballots posted on this page are for public information only. Voting on ballots is permitted by committee members only. See NFPA Regulations Governing Committee Projects, Section 3.3.4.
Ballot (PDF, 943 KB)
Ballot Form (PDF, 127 KB)
Ballot Circulation (PDF, 59 KB)
Ballot Final (PDF, 50 KB)
Motions Committee Report (NITMAM)
Motions Committee Report (NITMAM)
Proposed NFPA documents will be presented for action at the applicable Annual (June) Association Technical Meeting only when proper Amending Motions (Notice of Intent to Make a Motion - NITMAM) have been certified by the Motions Committee of the Standards Council as a proper amending motion. Documents that receive no motions will not be presented at the meeting and instead will be forwarded directly to the NFPA Standards Council for action on issuance. More about the codes and standards making process including NITMAM.
No NITMAMs
TIA Ballot
Association Technical Meeting
Consent document not presented at Association Technical Meeting. Document issuance by Standards Council: May 29, 2012
Archived revision information
NFPA 400, 2013 Edition: Archived Revision Information
View archived proposals, comments and other records related to the development of this edition.
Read the archived revision information
Tentative Interim Amendment (TIA)
Tentative Interim Amendment (TIA)
Tentative Interim Amendments (TIAs) are amendments to an NFPA document processed in accordance with Section 5 of the Regulations Governing Committee Projects. They have not gone through the entire codes and standards-making process of being published in a ROP and ROC for review and comment. TIAs are effective only between editions of the Document. A TIA automatically becomes a proposal of the proponent for the next edition of the Document, as such is then subject to all of the procedures of the codes and standards making process. TIAs are published in NFPA News , NFCSS, and any further distribution of the document after being issued by the Standards Council.

Requests for TIAs shall be clearly worded to provide the recommended revision and the reason as to why it is of an emergency nature requiring prompt action. Submissions shall be in writing, addressed to the Standards Council Secretary, NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471. The submitter must also provide the appropriate endorsments in writing of two members of the applicable technical committee or technical correlating committee. For further information on submitting a TIA, please contact Codes and Standards Administration.

Errata
Errata
Errata are corrections issued to an NFPA document, published in NFPA News, the National Fire Codes Subscription Service (NFCSS), and included in any further distribution of the document.

For previously issued Erratas (not listed below), e-mail the NFPA Library, call +1 617 984-7445, or fax +1 617 984-7060.

Errata 400-13-1, Reference: Table 15.3.2.4.13.4(B) (issued 1/27/2014) (PDF, 26 KB)
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