Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 63 - PULP, PAPER, AND PAPERBOARD MILLS
SPECIFIC PROVISIONS
Section R. 408.16353 - Sulfur burning and drying

Universal Citation: MI Admin Code R. 408.16353

Current through Vol. 24-16, September 15, 2024

Rule 6353.

(1) A sulfur burning or drying house shall be safely and adequately provided with an exhaust system as prescribed by ANSI Standard Z9.2 "Fundamentals Governing the Design and Operation of Local Exhaust Ventilation Systems," 1960 edition, as adopted in R 408.16302, to reduce the chance of dust explosion hazards and fires.

(2) Pipes, beams, and other overhead objects shall be cleaned off not less than once a month to remove dust accumulations.

(3) Sulfur storage bins shall be kept free of sulfur dust accumulation, in accordance with ANSI Standard Z9.2 "Fundamentals Governing the Design and Operation of Local Exhaust Ventilation Systems," 1960 edition, as adopted in R 408.16302.

(4) Exhaust ventilation shall be provided where niter cake is fed into a rotary furnace and shall be so designed and maintained as to keep the concentration of hydrogen sulfide gas below the parts per million listed in Occupational Health Standard Part 301 "Air Contaminants for General Industry," as referenced in R 408.16302.

(5) Non-sparking tools and equipment shall be used in handling dry sulfur. Smoking shall be prohibited and "No Smoking" signs shall be posted.

(6) Sulfur melting equipment shall not be located in the burner room.

(7) Explosion-proof electric equipment shall be used where dry sulfur burning is done.

(8) Supplied-air respirators shall be strategically located for emergency and rescue use.

(9) Gas masks shall be available. These masks shall furnish adequate protection against sulfurous acid and chlorine gases, and shall be inspected and repaired in accordance with Occupational Health Standard Part 451 "Respiratory Protection," as referenced in R 408.16302.

(10) Where as the processes of the sulfate and soda operations are similar to those of the sulfite processes, subrules (8) and (9) of this rule apply.

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