Chapter 22Combustible Dust Producing Operations

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Question 1 1.

A retail coffee shop and commercial bakery operates in a mercantile building and uses limited quantities of flour, sugar, and ground coffee during daily beverage and food preparation. What is the status of this facility with respect to combustible dust-producing operations regulations?

The facility is permitted to operate only if flour accumulations are kept below 1/16 inch.
The facility must conduct an approved dust hazard analysis prior to operation.
The facility is exempt from the combustible dust provisions of Chapter 22.
The facility must install an engineered dust collection system at all preparation tables.

Question 2 2.

The facility must provide explosion relief panels sized according to NFPA 68.
The storage area must maintain an aggregate mechanical exhaust rate of at least 1,500 cfm.
The owner must submit representative powder samples to the fire code official for screening.
The chapter provisions do not apply to the storage of sealed containers at this facility.

Question 3 3.

Woodworking facilities occupying floor areas between 5,000 and 10,000 square feet
Agricultural materials stored or used in farm buildings for on-premises agricultural purposes
Industrial milling facilities utilizing pneumatic conveying systems for grain handling
Pharmaceutical manufacturing plants processing dry powders under 500 micrometers in size

Question 4 4.

Question 5 5.

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