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NFPA 490 applies to the storage of ammonium nitrate in the form of
crystals, flakes, grains, or prills including fertilizer grade as defined by
Definitions and Test Procedures for Ammonium Nitrate Fertilizer, dynamite
grade, nitrous oxide grade as defined by Standard for Ammonium Nitrate
(Nitrous Oxide Grade), technical grade, and other mixtures containing 60
percent or more by weight of ammonium nitrate.
This Code gives requirements for storage structures, storage in containers
and bulk storage, and separation from contaminants. Additionally, this
document covers section fire protection and general safety precautions
including housekeeping and material handling. Approx. 12 pp.
NFPA 490: Code for the Storage of Ammonium Nitrate, 2002 Edition - Table of Contents:
Administration
Referenced Publications
Definitions
General Provisions
Storage of Ammonium Nitrate in Bags, Drums, or Other Containers
Storage of Bulk Ammonium Nitrate
Contaminants
General Precautions
Fire Protection
Annex A Explanatory Material
Annex B Properties and Uses of Ammonium Nitrate
Annex C Suggested Fire-Fighting Procedure
Annex D Suggested Provisions for Municipal Legal Regulations
Annex E Informational References
Index
NFPA 490 - Code for the Storage of Ammonium Nitrate, 2002 Edition