Page 57 - Occupational Health & Safety, October 2019

Industry-Specific Standards
NFPA 61– Standard for the Prevention of Fires and Dust Explosions in Agricul- tural and Food Processing Facilities. This standard is for facilities engaged in dry ag- ricultural bulk materials including grains, oilseeds, agricultural seeds, legumes, sugar, flour, spices, feeds, starch, and other related materials. Examples of facilities covered by NFPA 61 include, but are not limited to, bakeries, grain elevators, feed mills, flour mills, corn and rice mills, dry milk prod- ucts, mix plants, soybean and other oilseed preparation operations, cereal processing, snack food processing, tortilla plants, and chocolate processing.
NFPA 484—Standard for Combus- tible Metals. This standard covers all met- als and alloys that are in a form capable of combustion or explosion. It also applies to processing or finishing operations that produce combustible metal powder or dust such as machining, sawing, grinding, buffing and polishing. It outlines proce- dures for determining whether a metal is in a combustible or noncombustible form. Parts that contain multiple metals or alloys are subject to the requirements of the metal whose combustion characteristics they most closely match.
NFPA 655—Standard for Prevention of Sulfur Fires and Explosions. This stan- dard is designed to eliminate or reduce haz- ards encountered in the crushing, grinding, and pulverizing of bulk and liquid sulfur. Housekeeping requirements addressing the hierarchy of cleaning methods and the frequency of housekeeping are based upon rate of accumulation of combustible dusts.
NFPA 664—Standard for the Preven- tion of Fires and Explosions in Wood Processing and Woodworking Facilities. This standard establishes the minimum fire and explosion prevention requirements for facilities that process wood or manufacture wood products using wood or cellulosic fibers, creating wood chips, particles or dust. Examples include wood flour plants, industrial woodworking plants, furniture plants, plywood plants, composite board plants, lumber mills, and production-type woodworking shops and carpentry shops that meet minimum requirements for plant size or dust collection flow rates.
Brian Richardson is the Technical Depart- ments Manager at Camfil Air Pollution Control (APC).
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Circle 28 on card.