Friday, June 14, 2024

Dust collection/Explosive Dust/Waste

Schwelke, Eric

My original query of 9/4/16 (which I post here again) generated more than a few responses:

*Hope you all are enjoying your Labor Day weekend.

Our dust collection system in our fabrication area has reached the end of its life and we are looking to replace the unit and all the ductwork. We were presented with a few different quotes and have been informed that we should test our “dust” for explosiveness. If it is, we have been advised to follow the NFPA/OSHA protocols to protect against such an incident happening. Of course, the explosion venting/valve system is more than twice the $$$ than the system without.

For those of you who do in-house fabrication, have you ever had your ‘dust’ tested? Also, have you ever been audited by OSHA regarding same?



Only a couple were aware of OHSA regulations regarding this and only one responder actually had installed what appears to be an explosion vent into their collection system. We are now in the process of testing our dust waste to see if it is explosive and will act accordingly to mitigate the hazard when installing our new system.

If Paul P. will allow it, I have attached 2 PDF documents from OHSA.

Thanks to all who responded.


Eric Schwelke CPO LPO, Director
Kessler O & P Services
11 Microlab Road
Livingston, NJ 07039
Direct Tel: 973 863 4231
Direct Fax: 717 635 3920
“Success in Motion”

[] Top-ranked by U.S.News & World Report for the 23rd consecutive year, Kessler Institute is the only rehabilitation hospital in New Jersey to be named to the prestigious list of “America’s Best Hospitals” and is the leading center of its kind in the East.
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