- Sulfur Deprivation Test - Vessel Failure (Added: 5/2/2006)
- Incorrect Hydrogen Gas Bottle Connected to Glove Box (Added: 5/2/2006)
- Ti-doped Sodium Alanate Incident (Added: 5/2/2006)
- Ammonia Tank Leak (Added: 5/2/2006)
- Hydrogen Cylinder Fire in Laboratory (Added: 5/2/2006)
- Hydrogen Tubing Leak (Added: 5/2/2006)
- Hole In Ampoule Leads to Explosion (Added: 5/2/2006)
- Liquid Hydrogen Storage Tank Failure (Added: 5/2/2006)
- Hydrogen Cylinder Leak (Added: 5/2/2006)
- Hydrogen Storage -Ammonia Borane (AB) Loaded onto Mesoporous Carbon (Added: 5/2/2006)
- Liquid Hydrogen Delivery Truck Fire (Added: 5/2/2006)
- Liquid Hydrogen Delivery Truck Offloading Valve Failure (Added: 5/2/2006)
- Hydrogen Hose Fire (Added: 5/4/2006)
- Failure of an Argon Check Valve (Added: 5/4/2006)
- Small Hydrogen Explosion Inside a MOCVD System Burn Box (Added: 5/4/2006)
- Hydrogen Prototype Bus Slips off Jack Stand (Added: 5/4/2006)
- Concerns Related to Hydrogen Bottle Rupture (Added: 5/4/2006)
- Unintentional Uncoupling of Compressed Gas Quick-Disconnect Fitting (Added: 5/4/2006)
- Hydrogen Excess Flow Valve Fails to Close Completely (Added: 5/4/2006)
- Hydrogen Leak from Flow Meter (Added: 5/4/2006)
- Potential Un-reviewed Safety Question Due to Liquid Hydrogen Tank Installation (Added: 5/4/2006)
- Small Electrical Fire Resulting from Improper Equipment Configuration (Added: 5/4/2006)
- Deviation from Work Plan Results in Cutting Pipe Prior to Second Explosive Gas Test (Added: 5/5/2006)
- Degradation of Safety-Significant Valve (Added: 5/5/2006)
- Hydrogen Purge Frequency Exceeded in Vessel (Added: 5/5/2006)
- Check Valve Shaft Blow-Out due to Hydrogen Embrittlement (Added: 5/5/2006)
- Failure of Rotameter Causes LFL Analyzer Low Sample Flow (Added: 5/5/2006)
- Deficiency Discovered in Hydrogen Sensor Application (Added: 5/5/2006)
- Swagelok Fittings Under High Pressure (Added: 5/5/2006)
- Storage Tank LFL Analyzer Reading Out of Surveillance Limits (Added: 5/5/2006)
- Concern Identified Regarding Installation and Commissioning of Compressed Gas Systems (Added: 5/5/2006)
- Hydrogen Make Up Compressor Piping Hole (Added: 5/5/2006)
- Hydrogen Explosion in Microbiological Anaerobic Chamber (Added: 5/5/2006)
- Explosion of an Oven that was Heating Decaborane for Vaporization (Added: 5/5/2006)
- Improper Line Break During Cleaning Run (Added: 5/5/2006)
- Roofing Work Condition Outside Authorization Basis (Added: 5/5/2006)
- Hydrogen Retort Explosion (Added: 5/5/2006)
- Sodium Hydride Spontaneously Ignites During Weighing (Added: 5/5/2006)
- Hydrogen Furnace Leak (Added: 5/5/2006)
- Storage Tank CLFL Analyzer Out of Limits (Added: 5/5/2006)
- Flash Fire Occurs on Construction Project (Added: 5/5/2006)
- Inadvertent Energizing of a Red-Tagged Circuit (Added: 6/26/2006)
- Combustible Gas Monitoring System in Furnace Room Found Inoperable (Added: 6/26/2006)
- Hydrogen Gas Present in Forklift Battery Charging Facility (Added: 6/26/2006)
- Hydrogen Alarm Activates in Processing Facility (Added: 6/26/2006)
- Incorrect Flammable Gas Cylinder Attached to Anaerobic Chamber (Added: 6/26/2006)
- Gas Cylinder Inadvertently Replaced with Hydrogen Gas Cylinder for Use in AL Proportional Counter (Added: 6/26/2006)
- Temperature Excursion in Environmental Chamber Results in Small Fire (Added: 6/26/2006)
- Liquid Hydrogen Neutron Moderator Leak (Added: 6/26/2006)
- Small Hydrogen Fire Within a Chemical Process Hood (Added: 8/7/2006)
- Unplanned Interruption of Hydrogen Gas Service (Added: 8/7/2006)
- Saltwell Pump May Have Been Operated While the Standard Hydrogen Monitoring System was Not in Operational Mode (Added: 8/7/2006)
- Reactive Chemical Treatment Causes Beaker to Shatter (Added: 8/7/2006)
- Non-Sparking Tools Used for Intrusive Work (Added: 8/7/2006)
- Recurring Events Involving Degradation of Hydrogen Monitors/LFL Analyzers (Added: 8/7/2006)
- Explosion in Refrigerator (Added: 8/7/2006)
- Explosion of Materials Adhering to the Inner Surface of a Removed Top of a High-Temperature Vacuum Furnace (Added: 8/7/2006)
- Hydrogen Monitoring System Alarm Activates (Added: 8/7/2006)
- Failure to Meet Safety Requirement for Flammable Gas System (Added: 8/7/2006)
- Hydrogen Lab Fire (Added: 11/14/2006)
- Pressurization of Anhydrous Hydrogen Fluoride Cylinder (Added: 11/28/2006)
- Hydrogen Storage Explosion (Added: 12/6/2006)
- Hydrogen Fire at a Hydrogen Storage Facility (Added: 12/20/2006)
- Naphtha Hydrotreater Fire (Added: 12/21/2006)
- Pipe Rupture Resulting in Hydrogen Fire (Added: 12/21/2006)
- Improper Purging Procedure Results in Hydrogen Fire (Added: 12/21/2006)
- Boiling Water Reactor Offgas System Mishap (Added: 12/27/2006)
- Hydrogen Explosion at a Water Treatment Facility (Added: 12/27/2006)
- Failure of Stainless Steel Valves due to Hydrogen Embrittlement (Added: 12/27/2006)
- Hydrogen Storage Siting Incident (Added: 12/27/2006)
- Battery Room Explosion (Added: 1/10/2007)
- Explosion Caused by Microbial Hydrogen Formation (Added: 1/10/2007)
- Hydrogen Compressor Failure (Added: 1/10/2007)
- Water Electrolysis System Explosion (Added: 1/10/2007)
- Hydrogen Leak in Auxiliary Building (Added: 1/10/2007)
- Resid Hydrotreater Unit (RHU) Heat Exchanger Failure (Added: 1/11/2007)
- Piping System Failure (Added: 1/11/2007)
- Hydrogen Plant Explosion and Fire (Added: 1/12/2007)
- Pressure Reducing Clamp Removal Mishap (Added: 1/17/2007)
- Storage Battery Explosion (Added: 1/17/2007)
- Hydrogen Tube Trailer Explosion (Added: 1/19/2007)
- Portable Battery Power Supply Explosion (Added: 1/19/2007)
- Small Fire in Fuel Cell Test Stand (Added: 1/23/2007)
- High-Density Hydrogen Storage Material Incident (Added: 1/29/2007)
- Liquid Hydrogen Delivery Truck Collision (Added: 1/29/2007)
- Hydrogen Delivery Truck Roll Over Accident (Added: 1/29/2007)
- Hydrogen Delivery Truck/ Facility Connection Mishap (Added: 1/29/2007)
- Liquid Hydrogen Refueling Operational Incident (Added: 1/29/2007)
- Hydrogen Cryostat Dismantling Incident (Added: 1/29/2007)
- Liquid Hydrogen Tank Incident Leads to Second Incident (Added: 1/29/2007)
- Pressure Testing Leads to Tank Failure (Added: 1/29/2007)
- Discharge Valve Installation Error (Added: 1/29/2007)
- Incorrectly Sized Safety Valve Results in Venting Explosion (Added: 1/29/2007)
- Invisible Hydrogen Fire Injures Technician (Added: 1/29/2007)
- Stainless Steel (403) Failure in Liquid Hydrogen Line (Added: 1/29/2007)
- Emergency Battery Container Incident (Added: 1/29/2007)
- Battery Shipping Incident (Added: 1/29/2007)
- Hydrogen Refueling Operational Error (Added: 2/7/2007)
- Incorrect Relief Valve Set Point Leads to Explosion (Added: 2/7/2007)
- Technician Accidentally Removes Critical Bolts from a Dewar Fitting (Added: 2/7/2007)
- Hydrogen Storage Vessel Over-Pressurized (Added: 2/7/2007)
- Nickel Cadmium Battery Explosion (Added: 2/7/2007)
- Hydrogen Fire due to the Installation of an Incorrectly Sized Gasket at a Solvent Manufacturing Plant (Added: 5/24/2007)
- High-Temperature Heat Exchanger Flange Leak Leads to Hydrogen Fire (Added: 5/31/2007)
- Mounting Joint on a Safety Valve Developed a Hydrogen Gas Leak and Fire (Added: 6/8/2007)
- Hydrogen Explosion Due to Inadequate Maintenance (Added: 6/18/2007)
- Combustible Hydrogen Gas Vapors Ignited in a Battery Plant (Added: 6/27/2007)
- Inadequate Maintenance at a Soap Manufacturing Plant Causes a Hydrogen Flash Fire (Added: 6/29/2007)
- Laboratory Technician Fatally Burned When Leaking Hydrogen Ignites (Added: 6/29/2007)
- Explosion in a Refinery Hydrogen Production Unit During a Turnaround/Shutdown (Added: 7/19/2007)
- Control Valve Mishap Leads to Bulkhead Failure (Added: 7/24/2007)
- Stress Corrosion Cracking Leads to a Hydrogen Leak and Fire at a Refinery (Added: 7/31/2007)
- Hydrogen Leak Ignites at an Alkylbenzene Manufacturing Plant (Added: 8/1/2007)
- Hydrogen Explosion in Hydrodesulfurization Reactor Outlet Piping (Added: 8/8/2007)
- Hydrogen Explosion at Coal-Fired Power Plant (Added: 2/5/2008)
- Needle Valve Failure in Hydrogen Service (Added: 2/20/2008)
- Fitting Failures for Fueling Equipment (Added: 2/20/2008)
- Hydrogen Boosting Compressor Fails (Added: 2/25/2008)
- Over-Pressurization of Laboratory Ball Mill (Added: 3/6/2008)
- Electrical Incident Near a High-Pressure Hydrogen Reactor Cell (Added: 3/10/2008)
- Fueling Hose Fails (Added: 3/11/2008)
- Ruptured CO2 Cylinder Causes Hydrogen Fire (Added: 5/12/2008)
- Hydrogen Fuel Cell Vehicle Traffic Accident (Added: 6/9/2008)
- Hydrogen Vent Line Weld Failure (Added: 7/24/2008)
- Compressor Fastener Failure (Added: 10/10/2008)
- Incorrect Check Valve Installation (Added: 10/10/2008)
- Low-Pressure Vent Line Leak (Added: 11/7/2008)
- First Responders Control Liquid Hydrogen Leak at Lamp Manufacturing Plant (Added: 3/2/2009)
- Improper Fill Speed at Fuel Dispenser (Added: 3/17/2009)
- Fire at Hydrogen Fueling Station (Added: 3/17/2009)
- Hydrogen Fire at an Aircraft Parts Manufacturing Facility (Added: 3/19/2009)
- Hydrogen Tube Trailer Multiple-Vehicle Accident with Fire (Added: 4/13/2009)
- Hydrogen Tube Trailer Overturns in Field (Added: 4/13/2009)
- Hydrogen Cylinder Transport Accident Results in Explosion (Added: 4/15/2009)
- Hydrogen Explosion Damages Chemical Plant (Added: 5/26/2009)
- Fuel Cell Catalyst Fire (Added: 5/27/2009)
- Ignition of Leaking Hydrogen from Pressure Transmitter Tubing (Added: 5/28/2009)
- Small Glass Ampoule of Aluminum Hydride (Alane) Ruptures After Transit (Added: 5/28/2009)
- Hydrogen Makeup Gas Valve Leak in Refinery Gas Oil Hydrotreater Unit (Added: 9/9/2009)
- Small-Scale Chemical Reaction Flash (Added: 9/14/2009)
- Hydrogen Delivery Truck Causes Hydrogen Leak at Fill Station Due to Improperly Stored Hydrogen Fill Line at Departure (Added: 10/5/2009)
- Hydrogen Leak Through Pinhole Weld Defects in Stator Cooling Water System Forces Nuclear Plant Shutdowns (Added: 10/5/2009)
- Hydrogen Reformer Tubes Ruptured during Startup (Added: 10/6/2009)
- Hydrogen Fueling Dispenser Nozzle Detached (Added: 10/26/2009)
- Hydrogen Leakage from Ground Packing of Flow Control Valve (Added: 10/27/2009)
- Automated Hydrogen Ball Valve Fails to Open due to Valve Stem Failure (Added: 10/27/2009)
- Hydrogen Explosion at Synthetic Liquid Fuels Laboratory Kills Two Engineers (Added: 11/10/2009)
- Hydrogen Fueling Dispenser Nozzle Drive Away (Added: 11/23/2009)
- Pressure Relief Valve Triggered on Metal Hydride Storage Tank (Added: 11/24/2009)
- Breakaway Separation During Fueling (Added: 12/15/2009)
- Leak on Compressor at Fueling Station (Added: 12/15/2009)
- Leak on LHY Tank at Fueling Station (Added: 12/15/2009)
- Leak at Breakaway Fitting (Added: 12/15/2009)
- Hydrogen Tube Trailer Burst Disc Ruptures Prematurely While Filling (Added: 12/17/2009)
- Near Accident in H2 Compressor Room (Added: 12/17/2009)
- Small Glass Vial of Aluminum Hydride Compound Ruptures in Glove Box (Added: 12/17/2009)
- High-Pressure Burst Disk Failure (Added: 1/5/2010)
- Hydrogen Vent Blow Down (Added: 1/5/2010)
- Potential Catalyst Fire Hazard with Oxygen Generator Filter Change-out Maintenance (Added: 1/5/2010)
- Hydrogen Leak into Main Generator Stator Cooling Water System Causes Nuclear Plant to Shutdown (Added: 1/7/2010)
- Unexpected Failure of Rupture Disk on Liquid Hydrogen Tank at Manufacturing Plant (Added: 1/7/2010)
- Pipe Failure at Hydrogen Production Plant (Added: 1/11/2010)
- Hydrogen Alarm Sounds in Battery Room due to Ventilation Fan Failure (Added: 1/12/2010)
- Refinery Hydrocracker Pipe Ruptures and Releases Explosive Mixture with Hydrogen (Added: 1/12/2010)
- Gas Chromatograph Piping Leak Explodes in Instrument Room (Added: 1/13/2010)
- Leak in Liquid Hydrogen Pump Causes Explosion/Fire at Hydrogen Transfilling/Pumping System (Added: 1/19/2010)
- Pickup Collides with Tractor Pulling Hydrogen Tube Trailer, Causing Tube Ejection and Fire (Added: 1/21/2010)
- Hydrogen Gas Leak from Compressed Gas Cylinder (Added: 3/1/2010)
- Tube Trailer Leak through Over-Pressure-Protection Rupture Disk (Added: 3/8/2010)
- Ignition of Pre-mixed Inventory by Venting (Added: 4/19/2010)
- Fatal Accident due to Bacterial Hydrogen Production in Atmospheric Storage Tank (Added: 5/3/2010)
- Release from Cylinder when Removing Cap (Added: 5/4/2010)
- Hydrogen Fueling Dispenser Breakaway Adapter (Added: 5/11/2010)
- Intentional Hydrogen Release Causes Unintentional Hydrogen Alarm (Added: 5/26/2010)
- Hose Pressure Rating Verification Error (Added: 5/26/2010)
- Liquid Hydrogen Tank Boiling Liquid Expanding Vapor Explosion (BLEVE) due to Water-Plugged Vent Stack (Added: 6/2/2010)
- Battery Compartment Fire on a Hybrid, Fuel-Cell-Powered Passenger Ship (Added: 8/18/2010)
- Hydrogen Explosion in University Biochemistry Laboratory (Added: 8/23/2010)
- Hydrogen Leak and Fire at Nuclear Power Plant (Added: 8/23/2010)
- Hydrogen Fire in a Storage Vessel (Added: 9/10/2010)
- Hydrogen Balloon Incident (Added: 10/1/2010)
- Hydrogen-Oxygen Balloon Hazards (Added: 10/14/2010)
- Gaseous Hydrogen Leak and Explosion (Added: 10/14/2010)
- Near Miss Involving an Electrical Plug and Nitrogen Gas Supplied to a Gas Chromatograph (Added: 10/26/2010)
- Two 55-Gallon Drums Rupture due to Over-Pressurization and Release Contents (Added: 10/26/2010)
- Use of "Quick-Disconnect" Fittings Results in Laboratory Instrument Explosion (Added: 11/2/2010)
- Hydrogen Leak due to Inappropriate Operator Action results in Fire (Added: 11/2/2010)
- Hydrogen Explosion in a Styrene Plant (Added: 11/12/2010)
- Hydrogen Gas Explosion in Municipal Refuse Incineration Facility (Added: 11/16/2010)
- Fire and Explosion in Autoclave Cell (Added: 11/17/2010)
- Hydrogen Fire in Hydrochloric Acid Leaching Solution (Added: 11/18/2010)
- Hydrogen Explosion due to Failure of an Incorrectly Sized Spirometallic Gasket at a Refinery Hydrodesulfurization Plant (Added: 1/13/2011)
- Hydrogen Explosion in Battery Compartment of Dinner Cruise Boat (Added: 2/4/2011)
- Release of Stored Hydrogen as Water Temperature Increases (Added: 3/3/2011)
- Two False Hydrogen Alarms in Research Laboratory (Added: 5/17/2011)
- Pipe Rupture and Hydrogen Fire in a Catalytic Hydrotreatment Plant (Added: 8/29/2011)
- Fuel Cell Evaporator Pad Fire (Added: 8/29/2011)
- Ball of Fire from Hydrogen Fuel Cell Forklift Flashes and Quickly Extinguishes (Added: 8/29/2011)
- Hydrogen Leak from Onboard Storage System of a Fuel Cell-Powered Lift Truck (Added: 10/11/2011)
- H2/N2 Mixture Incorrectly Connected to Infrared Spectrometer (Added: 10/12/2011)
- Hydrogen Explosion and Iron Dust Flash Fires in Powdered Metals Plant (Added: 2/16/2012)
- Hydrogen Explosion in a Concrete Block Production Plant (Added: 3/30/2012)
- Ignition of Syngas Leak from Ammonia Production Plant (Added: 3/30/2012)
- Hydrogen Leak Ignites and Explodes in an Ammonia Production Plant (Added: 3/30/2012)
- Organic Vapor Ignites When Hydride Decomposes in Air (Added: 4/9/2012)
- Lithium Aluminum Hydride Laboratory Fire (Added: 4/10/2012)
- Industrial Hydrogen Purifier Explosion (Added: 8/21/2012)
- Hydrogen Gas Regulator Failure (Added: 5/3/2013)

