Pope for sulphuric acid

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Oregon Occupational Safety and Health Division Division 2 - (C) Any manually fed cutter, shredder, or duster shall be provided with an idler roll as per section (7)(b)(B) of this rule or the operator shall use special hand-feeding tools. - (D) Hoods of cutters, shredders, and dusters shall have exhaust ventilation, in accordance with 1910.94, Ventilation, in Subdivision G. - (c) Blowers. - (A) Blowers used for transporting rags shall be provided with feed hoppers having outer edges located not less than 48 inches from the fan. - (B) The arrangement of the blower discharge outlets and work areas shall be such as to prevent material from falling on workers. - (d) Conveyors. Conveyors and conveyor drive belts and pulleys shall be fully enclosed or, if open and within 7 feet of the floor, shall be constructed and guarded in accordance with section (4)(q) of this rule, and Subdivision N, Material Handling and Storage. - (e) Guarding requirements. - (A) Traveling sections of conveyors and other equipment with wheels which run on rails or guides shall be guarded by sweep guards, installed in front of the traveling wheels in all areas where workers may be exposed to contact. Sweep guards shall have not greater than 1/4 inch clearance above the rail or guide. - (B) When using mechanical equipment to elevate the front end of the chip containers for dumping into a hopper, the shear area between the floor and the elevated section shall be safeguarded. - (f) Dust. Measures for the control of dust shall be provided, in accordance with American National Standard ANSI/NFPA 91-1992 and Subdivision I, Personal Protective Equipment. - (g) Rag cookers. - (A) When cleaning, inspection, or other work requires that persons enter rag cookers, all steam and water valves, or other control devices, shall be locked and tagged in the closed or 'off' position. Blank flanging of pipelines is acceptable in place of closed and locked valves. - (B) When cleaning, inspection, or other work requires…

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Division 2 AO 6-2017 Oregon Occupational Safety and Health Division - (B) All safety devices shall conform to Paragraph U-2 in the ASME Boiler and Pressure Vessel Code, Section VIII, Unfired Pressure Vessels 1992. - (u) Miscellaneous. Insofar as the processes of the sulfate and soda operations are similar to those of the sulfite processes, sections (8)(a) through (t) of this rule shall apply. - (A) Quick operating showers, bubblers, etc., shall be available for emergency use in case of caustic soda burns. - (B) Rotary tenders, smelter operators, and those cleaning smelt spouts shall be provided with eye protection equipment (fitted with lenses that filter out the harmful rays emanating from the light source) when actively engaged in their duties, in accordance with OAR 437-0020134, in Subdivision I. - (C) Piping, valves and fittings between the digester, blowpit, and blow tanks shall be in accordance with ANSI/ASME B31.1-1992. These shall be inspected at least semi-annually to determine the degree of deterioration and repaired or replaced when necessary, in accordance with American National Standards ANSI/ASME B31.1-1992. - (v) Welding. Welding on blow tanks, accumulator tanks, or any other vessels where turpentine vapor or other combustible vapor could gather shall be done only after the vessel has been completely purged of fumes. Fresh air shall be supplied workers inside of vessels. - Note: See Subdivision Q, Welding, Cutting and Brazing, for additional welding requirements. - (w) Turpentine systems and storage tanks. Nonsparking tools and ground hose shall be used when pumping out the tank. The tank shall be surrounded by a berm or moat. - (x) Recovery furnace area. - (A) An audible warning system shall be installed in kraft and soda base sulfite recovery furnace areas and shall be activated whenever an emergency exists. - (B) All personnel working in recovery furnace areas shall be instructed on procedures to be followed when emergency warning systems are ac…

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Oregon Occupational Safety and Health Division Oregon Administrative Rules AO 3-2019 Division 3 - (vii) Near each tank containing a liquid which may burn, irritate, or otherwise be harmful to the skin if splashed upon the worker's body, there shall be a supply of clean cold water. The water pipe (carrying a pressure not exceeding 25 pounds (11.325 kg)) shall be provided with a quick opening valve and at least 48 inches (1.216 m) of hose not smaller than threefourths inch, so that no time may be lost in washing off liquids from the skin or clothing. Alternatively, deluge showers and eye flushes shall be provided in cases where harmful chemicals may be splashed on parts of the body. - (viii) Operators with sores, burns, or other skin lesions requiring medical treatment shall not be allowed to work at their regular operations until so authorized by a physician. Any small skin abrasions, cuts, rash, or open sores which are found or reported shall be treated by a properly designated person so that chances of exposures to the chemicals are removed. Workers exposed to chromic acids shall have a periodic examination made of the nostrils and other parts of the body, to detect incipient ulceration. - (ix) Sufficient washing facilities, including soap, individual towels, and hot water, shall be provided for all persons required to use or handle any liquids which may burn, irritate, or otherwise be harmful to the skin, on the basis of at least one basin (or its equivalent) with a hot water faucet for every 10 employees. See 1926.51(f). - (x) Locker space or equivalent clothing storage facilities shall be provided to prevent contamination of street clothing. - (xi) First aid facilities specific to the hazards of the operations conducted shall be readily available. - (10) Special precautions for cyanide. Dikes or other arrangements shall be provided to prevent the possibility of intermixing of cyanide and acid in the event of tank rupture. - (11) Inspection, maintenance, and …

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Division 2 Oregon Occupational Safety and Health Division - (A) Areas where dry bleach powder is mixed shall be provided with adequate exhaust ventilation, located at the floor level, in accordance with ANSI/UL 641-1985. - (B) Respiratory protection shall be provided for emergency use, in accordance with American National Standards ANSI/NFPA 1404-1989, and Z88.2-1980. Respiratory protection must conform to the requirements of 1910.134 of Subdivision I. - (C) For emergency and rescue work, self-contained air masks or supplied air equipment shall be provided in accordance with American National Standards Z88.2-1980. Respiratory protection must conform to the requirements of 1910.134 of Subdivision I. - (d) Liquid chlorine. - (A) Tanks of liquid chlorine shall be stored in an adequately ventilated unoccupied room, where their possible leakage cannot affect workers. - (B) Gas masks capable of absorbing chlorine shall be supplied, conveniently placed, and regularly inspected, and workers who may be exposed to chlorine gas shall be instructed in their use. - (C) For emergency and rescue work, independent self-contained breathing apparatus or supplied air equipment shall be provided. - (D) At least two exits, remote from each other, shall be provided for all rooms in which chlorine is stored. - (E) Spur tracks upon which tank cars containing chlorine and caustic are spotted and connected to pipelines shall be protected by means of a derail in front of the cars. - (F) All chlorine, caustic, and acid lines shall be marked for positive identification, in accordance with American National Standard A13.[redacted postal code] (R 1985). - (e) Handling chlorine dioxide. - (A) Chlorine dioxide generating and storage facilities shall be placed in areas which are adequately ventilated and are easily kept clean of wood, paper, pulp, etc., to avoid contamination which might cause a reaction. This can be accomplished by placing these facilities in a separate room or in a designated ou

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Division 3 AO 3-2019 Oregon Administrative Rules Oregon Occupational Safety and Health Division - (iii) All persons required to handle work wet with a liquid other than water shall be provided with gloves impervious to such a liquid and of a length sufficient to prevent entrance of liquid into the tops of the gloves. The interior of gloves shall be kept free from corrosive or irritating contaminants. - (iv) All persons required to work in such a manner that their clothing may become wet shall be provided with such aprons, coats, jackets, sleeves, or other garments made of rubber, or of other materials impervious to liquids other than water, as are required to keep their clothing dry. Aprons shall extend well below the top of boots to prevent liquid splashing into the boots. Provision of dry, clean, cotton clothing along with rubber shoes or short boots and an apron impervious to liquids other than water shall be considered a satisfactory substitute where small parts are cleaned, plated, or acid dipped in open tanks and rapid work is required. - (v) Whenever there is a danger of splashing, for example, when additions are made manually to the tanks, or when acids and chemicals are removed from the tanks, the employees so engaged shall be required to wear either tight-fitting chemical goggles or an effective face shield. See 1926.102. - (vi) When, during the emergencies specified in paragraph (i)(11)(v) of this section, employees must be in areas where concentrations of air contaminants are greater than the limits set by paragraph (i)(2)(iii) of this section or oxygen concentrations are less than 19.5 percent, they must use respirators that reduce their exposure to a level below these limits or that provide adequate oxygen. Such respirators must also be provided in marked, quickly accessible storage compartments built for this purpose when the possibility exists of accidental release of hazardous concentrations of air contaminants. Respirators must be approved by N…

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opened, or another equally effective means is used to prevent employees from accessing the spinning rotor. tout aussi efficace permet de prévenir l'accès des sala -riés aux rotors qui tournent. 2022-79 ## General 2022-79 ## Safety procedures - hazardous operations 2022-79 342.7 With respect to hazardous operations, an em -ployer shall ensure that - (a) written safe work procedures for hazardous op -erations, including spill response, are established, - (b) employees are adequately instructed and trained in the safe work procedures for hazardous operations, and - (c) employees follow the safe work procedures for hazardous operations. 2022-79 ## Fire protection 2022-79 342.71 An employer shall ensure that suitable fire ex -tinguishers are accessible at all times in a laboratory where flammable substances are used or stored. 2022-79 ## Movement of containers 2022-79 342.72 An employer shall ensure that a container of hazardous substances that is moved within a laboratory is moved in a manner that does not damage the con -tainer. 2022-79; 2024-38 ## Personal protection 2022-79 342.8 With respect to the protection of employees, an employer shall ensure that 2022-79 ## Généralités 2022-79 ## Procédures de sécurité - opérations dangereuses 2022-79 342.7 En ce qui à trait aux opérations dangereuses, l'employeur s'assure de ce qui suit : - a) il établit des procédures écrites de travail sécuri -taire pour les opérations dangereuses, y compris les déversements; - b) les salariés reçoivent une formation adéquate sur ces procédures; - c) les salariés suivent ces procédures. 2022-79 ## Protection contre l'incendie 2022-79 342.71 L'employeur s'assure que des extincteurs d'in -cendie convenables sont disponibles en tout temps dans tout laboratoire où des substances inflammables sont utilisées ou entreposées. 2022-79 ## Déplacement de récipients 2022-79 342.72 L'employeur s'assure que le dépla…

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Division 2 Oregon Occupational Safety and Health Division - (C) Rag cookers shall be provided with safety valves in accordance with the ASME Boiler and Pressure Vessel Code, Section VIII, Unfired Pressure Vessels - 1992. - (8) Chemical Processes of Making Pulp. - (a) Industrial kiln guns and ammunition. Management shall develop written instructions, including safety procedures, for storing and operating industrial kiln guns and ammunition. All persons working with this equipment shall be instructed in these procedures and shall follow them. - (b) Sulfur burners. - (A) Sulfur-burner houses shall be safely and adequately ventilated, and every precaution shall be taken to guard against dust explosion hazards and fires, in accordance with American National Standard Z9.2-1979 (R1991), and NFPA 655-1993. - (B) Nonsparking tools and equipment shall be used in handling dry sulfur. - (C) Sulfur storage bins shall be kept free of sulfur dust accumulation, in accordance with American National Standard ANSI Z9.2-1979 (R1991). - (D) Electric equipment shall be of the explosion-proof type, in accordance with the requirements of Subdivision S, Electrical. - (E) Sulfur-melting equipment shall not be located in the burner room. - (c) Protection for employees (acid plants). - (A) Gas masks, fitted with canisters containing absorbents for the particular acids, gases, or mists involved, shall be provided for employees of the acid department. - (B) Supplied air respirators shall be strategically located for emergency and rescue use. - (C) During inspection, repairs, or maintenance of acid towers, the worker shall be provided with eye protection, a supplied air respirator, a safety belt, and an attached lifeline. The line shall be extended to an attendant stationed outside the tower opening. - (d) Acid tower structure. Outside elevators shall be inspected daily during winter months when ice materially affects safety. Elevators, runways, stairs, etc., for the acid tower shall be inspect…

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Oregon Occupational Safety and Health Division Division 2 - (e) Tanks (acid). Entering acid tanks shall be in accordance with 437-0020146 Confined Spaces, in Subdivision J. - (f) Clothing. Where lime slaking takes place, employees shall be provided with rubber boots, rubber gloves, protective aprons, and eye protection. A deluge shower and eye fountain shall be provided to flush the skin and eyes to counteract lime or acid burns. - (g) Lead burning. When lead burning is being done within tanks, fresh air shall be forced into the tanks so that fresh air will reach the face of the worker first and the direction of the current will never be from the source of the fumes toward the face of the workers. Supplied air respirators (constant-flow type) shall be provided. Note: (For specifics refer to Subdivision Q, Welding, Cutting and Brazing; and 1910.1025, Lead, in Subdivision Z.) - (h) Hoops for acid storage tanks. Hoops of tanks shall be made of rods rather than flat strips and shall be safely maintained by scheduled inspections. - (i) Quicklime stoppages. Water shall not be used to unplug quicklime stops or plugs in pipes or confined spaces. - (j) Digester building exits. At least one unobstructed exit at each end of the room shall be provided on each floor of a digester building. - (k) Digester building escape respirators. Escape respirators shall be available for escape purposes only. These respirators shall meet the requirements of 1910.134 in Subdivision I, including the requirement to be inspected at frequent intervals, not to exceed one month. - (l) Elevators. - (A) Elevators shall be constructed in accordance with American National Standard A17.1-1990. - (B) Elevators shall be equipped with escape respirators for the maximum number of passengers. - (C) Elevators shall be equipped with an alarm system to advise of failure. - (m) Blowoff valves and piping. - (A) The blowoff valve of a digester shall be arranged so as to be operated from another room, remote fro…