Combustible Dust Policy Institute Combustible Dust Policy Institute Mary Kay O Mary Kay O ’ ’ Conner Process Center Conner Process Center International Symposium International Symposium OSHA Combustible Dust NEP OSHA Combustible Dust NEP Inadequacies Inadequacies John John Astad Astad Combustible Dust Policy Institute Combustible Dust Policy Institute
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Combustible Dust Policy InstituteCombustible Dust Policy Institute
Mary Kay OMary Kay O’’Conner Process CenterConner Process CenterInternational SymposiumInternational Symposium
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Combustible Dust National Emphasis Program (NEP)
Policies and procedures
Inspecting workplaces
That create or handle combustible dust
Deflagrations, fires, or explosions
State plan participation not required
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Combustible Dust RelatedCombustible Dust Related Explosions & FiresExplosions & Fires
Combustible Dust National Emphasis Program (NEP)- Appendix D-1 More Frequent or High Consequence- Appendix D-2 Potential of Incidents
Combustible Dust Policy InstituteCombustible Dust Policy Institute
154+ combustible dust related fires and explosions in the manufacturing, utility, and
non-manufacturing sectors (2008)
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Who assigns NAICS?Who assigns NAICS?
U.S. Census Bureau assignsU.S. Census Bureau assigns
Based on its primary activity Based on its primary activity
Activity that generates the most Activity that generates the most revenuerevenue
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North American Industry Classification North American Industry Classification System (NAICS)System (NAICS)
•Collecting•Analyzing•Publishing statistical data •Related to the U.S. business economy
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How are NAICS used? How are NAICS used?
Designed for Designed for statistical purposesstatistical purposes
Various administrative purposesVarious administrative purposes
Regulatory Regulatory
Contracting Contracting
Taxation Taxation
Other nonOther non--statistical purposes statistical purposes
Combustible Dust Policy InstituteCombustible Dust Policy Institute
OSHA Use of NAICSOSHA Use of NAICS
Economic activity into twenty industry Economic activity into twenty industry sectors sectors
Five sectors are mainly goodsFive sectors are mainly goods-- producing sectors producing sectors
Fifteen are entirely servicesFifteen are entirely services--producing producing sectors. sectors.
Combustible Dust Policy InstituteCombustible Dust Policy Institute
NAICS and the OSHA Dust NEPNAICS and the OSHA Dust NEP
Understanding the NAICSUnderstanding the NAICS
Results in understanding the Dust NEPResults in understanding the Dust NEP
Most facilities are not covered in the Most facilities are not covered in the NEPNEP
OSHA State Plans voluntary NEP action OSHA State Plans voluntary NEP action
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Getting the Knack of the NAICSGetting the Knack of the NAICS
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What is the NAICS structure?
•First two digits- Economic sector •Third digit – Subsector •Fourth digit - Industry group •Fifth digit - NAICS industry•Sixth digit - National industry (311211 Flour Milling)
Combustible Dust Policy InstituteCombustible Dust Policy Institute
NAICS ExamplesNAICS Examples
Subsector 325 Chemical MfgSubsector 325 Chemical Mfg
Industry group 32513251 Basic Chemical Basic Chemical
NAICS industry 32513 Synthetic Dye 32513 Synthetic Dye and Pigment Manufacturingand Pigment Manufacturing
National industry 325188 All Other Basic 325188 All Other Basic Inorganic Chemical ManufacturingInorganic Chemical Manufacturing
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IS your Facility NAICS IS your Facility NAICS Listed in the OSHA Dust NEP?Listed in the OSHA Dust NEP?
• OSHA Dust (NEP) program• Not required in State Plans• State OSH Plans (strictly voluntary)• Explosions and fires reoccurring • NAICS not listed in the NEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Appendix DAppendix D--11
More Frequent and/or
High Consequence
Combustible Dust Explosions/Fires
18 NAICS (National Industries)
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Appendix DAppendix D--11
Utilities (1)Utilities (1)
Food (Food (44))
Wood Product (4)Wood Product (4)
Chemical (3)Chemical (3)
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Furniture Related Product (3)Furniture Related Product (3)
Miscellaneous (1)Miscellaneous (1)
NonNon--Manufacturing (4)Manufacturing (4)
Support Activities for Agriculture and Support Activities for Agriculture and Forestry (2)Forestry (2)
What about the hundreds of other NAICS What about the hundreds of other NAICS not listed in the NEP ?not listed in the NEP ?
Over 50 % Explosions and Fires that Over 50 % Explosions and Fires that occurred in 2008 at facilities with NAICS occurred in 2008 at facilities with NAICS
not listed in the NEP not listed in the NEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Dried and Dehydrated Food MfgDried and Dehydrated Food Mfg
Dry, Condensed, and Evaporated Dry, Condensed, and Evaporated Dairy Product ManufacturingDairy Product Manufacturing
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Dog and Cat Food ManufacturingDog and Cat Food Manufacturing
Grain dust explosion in a large storageGrain dust explosion in a large storagetank. One person was injured in thetank. One person was injured in theexplosion and airlifted to the burn unitexplosion and airlifted to the burn unit
Prior, 2006 fire caused an estimated $10Prior, 2006 fire caused an estimated $10million in damage.million in damage.
Combustible Dust Policy InstituteCombustible Dust Policy Institute
"A spark or a piece of hot metal got "A spark or a piece of hot metal got into the collector and ignited the into the collector and ignited the flour and cereal particles that get flour and cereal particles that get sucked up inside.sucked up inside.””
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Dried and Dehydrated Food MfgDried and Dehydrated Food Mfg
Explosion at a sugar beet plantExplosion at a sugar beet plant
Machine exploded Machine exploded
Two workers injuredTwo workers injured
NonNon--NEPNEP
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Dry, Condensed, and Evaporated Dairy Dry, Condensed, and Evaporated Dairy Product ManufacturingProduct Manufacturing
Explosion/fire. Building suffered Explosion/fire. Building suffered some structural damage. The some structural damage. The blaze was mostly contained by the blaze was mostly contained by the facility's safety system.facility's safety system.
1 Injury1 Injury
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Softwood Veneer and Plywood Softwood Veneer and Plywood
Other Millwork (including Flooring)Other Millwork (including Flooring)
Cut Stock, Cut Stock, ResawingResawing Lumber, and Lumber, and PlaningPlaning
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Other Millwork (including Flooring)Other Millwork (including Flooring)
Fire broke out in the dust control unit.Fire broke out in the dust control unit.
The mill, was shut down because it The mill, was shut down because it cancan’’t operate without functioning dust t operate without functioning dust control devicescontrol devices
NonNon--NEPNEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Softwood Veneer and Plywood MfgSoftwood Veneer and Plywood Mfg
Fire started in ducts that convey Fire started in ducts that convey sawdust from machines out of the sawdust from machines out of the building. building.
One machine malfunctioned and One machine malfunctioned and caught a small duct on fire and the fire caught a small duct on fire and the fire spread through the larger ducts.spread through the larger ducts.
NonNon--NEPNEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Paper ManufacturingPaper Manufacturing NonNon--NEP 100% NEP 100%
Paper (except Newsprint) MillsPaper (except Newsprint) Mills
Corrugated and Solid Fiber Box Corrugated and Solid Fiber Box
Setup Paperboard Box Setup Paperboard Box
Coated and Laminated Paper Coated and Laminated Paper
Sanitary Paper ProductsSanitary Paper Products
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Coated and Laminated Paper MfgCoated and Laminated Paper Mfg
Explosion/FireExplosion/Fire
Caused by a buildup of vapor Caused by a buildup of vapor
Oven used to heat adhesiveOven used to heat adhesive
Hybrid dust/vaporHybrid dust/vapor
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Corrugated and Solid Fiber Box MfgCorrugated and Solid Fiber Box Mfg
Dust collected on top of duct workDust collected on top of duct work
Welding near the area Welding near the area
Sparks flew and ignited the dust.Sparks flew and ignited the dust.
Fire department responds to similar Fire department responds to similar calls at the plant anywhere from two calls at the plant anywhere from two to four times a year to four times a year
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Paper (except Newsprint) MillsPaper (except Newsprint) Mills
Fire in the grinding room Fire in the grinding room
Shut down production of paper Shut down production of paper machines machines
Began in grinder motorBegan in grinder motor
Spread to nearby ductworkSpread to nearby ductwork
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Equipment, which grinds waste into Equipment, which grinds waste into a powder and sends it to a dust a powder and sends it to a dust collection bin. Paper Dust Explosion collection bin. Paper Dust Explosion
Malfunctioned causing it to heat up, Malfunctioned causing it to heat up, jam and send a spark through the jam and send a spark through the ductworkductwork
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Chemical ManufacturingChemical Manufacturing NonNon--NEP 60% incidentsNEP 60% incidents
Auger motor inside a giant Auger motor inside a giant
hopper filled with finely ground hopper filled with finely ground wood chips.. Cause was believed wood chips.. Cause was believed to be from an electric motorto be from an electric motor
Prior explosion Prior explosion
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Plastics/Rubber Products MfgPlastics/Rubber Products Mfg NEP Full Coverage NEP Full Coverage
All Other Plastics Product MfgAll Other Plastics Product Mfg
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Primary Metal MfgPrimary Metal Mfg NonNon--NEP 50% incidentsNEP 50% incidents
Iron and Steel MillsIron and Steel Mills
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Iron and Steel MillsIron and Steel Mills
Chemical powder explosionChemical powder explosion
No one injured in the blastNo one injured in the blast
Workers were in the plant at the Workers were in the plant at the time of the explosiontime of the explosion
NonNon--NEPNEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Fabricated Metal Product MfgFabricated Metal Product Mfg NonNon--NEP 50% incidentsNEP 50% incidents
Other Metal Valve and Pipe FittingsOther Metal Valve and Pipe Fittings
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Other Metal Valve and Pipe Fitting MfgOther Metal Valve and Pipe Fitting Mfg
Explosion erupted inside an enclosed Explosion erupted inside an enclosed dust collector in a metaldust collector in a metal--grinding grinding roomroom
Small dust explosion occurred during Small dust explosion occurred during the fire.the fire.
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Conveyor and Conveying Equipment Conveyor and Conveying Equipment
Pump and Pumping Equipment Pump and Pumping Equipment
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Conveyor and Conveying Equipment MfgConveyor and Conveying Equipment Mfg
(Demolition) Fire (Demolition) Fire
Two welders hospitalized for burns Two welders hospitalized for burns
Ignited dust in roof filtering systemIgnited dust in roof filtering system..
NonNon--NEPNEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute
Pump and Pumping Equipment MfgPump and Pumping Equipment Mfg
Fire started in a yearFire started in a year--old dust old dust collector in the southwest corner collector in the southwest corner of the factoryof the factory
NonNon--NEPNEP
Combustible Dust Policy InstituteCombustible Dust Policy Institute