Respirator cartridge

Maximum use concentration (MUC) The maximum atmospheric concentration of contaminants in which a respirator cartridge or filter is recommended for use. Can be approximated by multiplying the PEL for the contaminant of concern by the assigned protection factor. 

The heat of adsorption of 2-nitropropane is very high, so carbon-containing respirators should not be used in high vapour concentrations. Also, if Hopcalite catalyst (co-precipitated copper(II) oxide and manganese (IV) oxide) is present in the respirator cartridge, ignition may occur. 

APRs are not recommended for use in an atmosphere containing perfluoroisobutylene (C10-A008) because of poor warning properties of the agent and a short life span of respirator cartridges. 

Dust masks, respirators, respirator cartridges, and other safety supplies can be purchased from local safety supply companies or through Internet web sites. Several large companies that market these items include ... 

Safety professionals from these vendors can provide additional guidance on which dust masks, respirators, safety suits, and gloves are most appropriate for varying needs. They can also specify the exact respirator cartridges needed to protect against a specific list of contaminants of concern. 

An oxidation catalyst containing cobalt, copper, manganese and silver species. It adsorbs nitroalkanes strongly, which may then ignite. Respirator cartridges containing it should not be used in high concentrations of nitroalkanes. 

Wood GO, Moyer E (1989) A review of the Wheeler equation and comparison of its application to organic vapor respirator cartridge breakthrough data. AIHA J 50(8) 400-407... 

Testing Requirements of Peroxidizable Compounds Tests for the Presence of Peroxides Characteristics of Chemical-Resistant Materials Selection of Protective Laboratory Garments Protective Clothing Levels Selection of Laboratory Gloves Selection of Respirator Cartridges and Filters Effects of Electrical Current on the Human Body Electrical Requirements of Common Laboratory Devices... 

Nelson GO, Harder CA. 1974. Respirator cartridge efficiency studies V. Effect of solvent vapor. Amer Ind Hyg Ass J 35 391-410. 

A respirator cartridge contains 80 g of the above blend of charcoal, and tests have shown that breakthrough (when A starts to be emitted from the cartridge) will occur when 80% of the charcoal is saturated. How long will this cartridge be effective if the ambient concentration of substance A is 700 ppm and the temperature is 30°C Assume that the breathing rate of a normal person is 45 L/min (45,000 cm /min). 

Reist PC, Rex F. 1977. Odor detection and respirator cartridge replacement. Am Ind Hyg Assoc J 38 563-566. 

Expended material costs, such as refilling fire extinguishers after fire training, respirator cartridge replacement, etc. 

Breakthrough—Occurs when the respirator cartridge becomes saturated with the contaminant and a small amount of the contaminant begins to enter the facepiece. 

Protective clothing such as gloves, paper lab coats and smocks, coveralls, booties, caps, and respirator cartridges ... 

II Employers must now provide a respirator cartridge replacement schedule for this, abbr,... 

CHAPTER 7 MINIMIZING, CONTROLLING, AND MANAGING HAZARDS TABLE 7.3.5.1 Color Coding for Selected Respirator Cartridges and Canisters ... 

Breathing resistance—The resistance that can build up in a chemical respirator cartridge that has become clogged by particulates. 

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