NFPA 326 PDF

Höhepunkte

The 2025 edition includes updated definitions and chapters that include:
Basic precautions, including ignition concerns
Preparation for safeguarding, such as lockout/tagout, isolation, and removal of flammable, combustible, or other hazardous substances
Testing procedures for oxygen content, flammable vapors, and toxic vapors and gases
Control or removal of vapors
Inspection and certification of tanks and containers
Procedures for access to and entry of tanks
Cleaning tanks and containers

Inhaltsübersicht

NFPA® 326 Standard for the Safeguarding of Tanks and Containers for Entry, Cleaning, or Repair 2025 Edition
Kapitel 1 Verwaltung
1.1 Anwendungsbereich.
1.2 Zweck.
1.3 Anwendung.
1.4 Rückwirkung.
1,5 Gleichwertigkeit.
1.6 Units.
1.7 Enforcement Requirements. (Reserved)
Kapitel 2 Referenzierte Veröffentlichungen
2.1 Allgemeines.
2.2 NFPA-Veröffentlichungen.
2.3 Sonstige Veröffentlichungen.
2.4 Verweise auf Auszüge in obligatorischen Abschnitten.
Kapitel 3 Begriffsbestimmungen
3.1 Allgemeines.
3.2 Offizielle Definitionen der NFPA.
3.3 Allgemeine Definitionen.
Chapter 4 Basic Precautions
4.1 General.
4.2 Ignition Concerns.
Chapter 5 Preparation for Safeguarding
5.1 Lockout/Tagout.
5.2 Removal of Flammable, Combustible, or Other Hazardous Substances, Liquids, or Gases.
5.3 Isolation.
Chapter 6 Testing Procedures
6.1 General Procedures.
6.2 Testing for Oxygen Content.
6.3 Testing for Flammable Vapors.
6.4 Testing for Toxic Vapors and Gases.
Chapter 7 Control or Removal of Vapors
7.1 Allgemeines.
7.2 Removal of Flammable Vapors by Displacement with Air (Ventilation).
7.3 Removal of Flammable Vapors by Displacement with Inert Gas.
7.4 Removal of Flammable Vapors by Displacement with Water, Fuel Oil, or Chemicals.
7.5 Removal of Flammable Vapors by Displacement with Steam.
Chapter 8 Inspection and Certification of Tanks and Containers
8.1 General.
8.2 Designations.
Chapter 9 Procedures for Access to and Entry of Tanks
9.1 General.
9.2 Access to Tanks.
9.3 Tank Entry.
9.4 Closing the Tank Access Opening.
Chapter 10 Cleaning Tanks and Containers
10.1 Allgemeines.
10.2 Purpose and Extent of Cleaning.
10.3 Removal of Residual Liquids and Solids.
10.4 Cleaning Inspection.
10.5 Cleaning Methods.
Anhang A Erläuterndes Material
Annex B Informational References