19 ways to deal with combustible dust

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COMBUSTIBLEDUST

19 ways to deal with

ChecklistCombustible Dust

Keeping your facility safe from combustible dust hazards requires paying close attention to the details, and if OSHA shows up for an inspection, they’ll be examining those details.

The following checklist—based on the things OSHA looks for during an inspection—should help you make sure your facility is as safeand compliant as possible...

I know what types of combustible dust my facility has.

1 “Organic materials like wood, grains, sugar and spices can all cause explosions under the right conditions. Even nonorganic materials like metals and plastics that are not flammable in their solid state can burn in dust form.”

My facility’s housekeepingplan features a cleaningplan for surfaces wheredust accumulates suchas floors, pipes, ducts,ledges and beams.

Dust on floors andother surfaces is removed during regular operations.

My facility has no dust accumulations of 1/32 of an inch or greater.

Ducts and dust collectors are designed to prevent dust from accumulatingin work areas.

Dry dust collectors larger than eight cubic feet (in volume) are located outdoors and vented away from workers.

My facility has isolation devices in placeto prevent deflagrationbetween equipment connected by ductwork.

My facility dissipates electrostatic chargespotentially generated by transporting dust through ductwork with an ignition control program (bonding, grounding, etc.).

Sweepers, vacuums and other electric cleaning machines used in dusty areas are approved for use in dust hazardsusceptible areas.

Smoking is only allowed in specified safe areas, and areas where smoking is prohibited are clearly marked with “No Smoking” signs.

Exhaust from dust collectors is not recycled into buildings.

The dust collector system uses a spark detection and explosionsuppression system (or takes similar precautions).

The dust collection system is madeentirely from noncombustible materials.

All machines that produce dust, duct systems and dust collectors are bonded and grounded to reduce the accumulation ofstatic electrical charges.

My facility permits hot work only in designated areas.

Ducts maintainsufficient velocityto carry both coarse and fine particles.

In general, my company uses methods such as grounding and bonding to dissipate static electricity.

Those involved in the operation, supervision and maintenance of procedures that deal with combustible dust are trained in combustible dust hazards.

All safety data sheets(SDSs) for chemicalsthat could become Combustible (under normal operations) areavailable for employeesto consult.

19 ways to deal with combustible dust

checklistcombustible

dust form

dust accumulations

combustible dust hazards

types of combustible

dry dust collectors

facility safe

dusty areas

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