Make sure that the sash is open to the proper operating level, which is usually indicated by arrows on the frame. The record may be in the form of a label attached to the fume hood or a log held by the laboratory director or health safety director. Define the hazard level of the proposed work and locate a unit that meets the standard. Laboratory fume hoods protector premier, xstream, xl. A fume hood face velocity of 100 fpm is considered acceptable in standard practice. Do not use the unit if the certification is expired. A basic look at the airflow and operation of a labconco fume hood, including proper work procedures and detailed information on the movement of air in and around the hood. Standard operating procedure laboratory chemical fume hoods introduction a properly functioning chemical fume hood is one of the most important pieces of laboratory safety equipment. Chemical storage cabinets located under a fume hood shall not to be referred to as flammable storage cabinets, however in is understood that the installed cabinet is designed to meet applicable nfpa standards.
A free powerpoint ppt presentation displayed as a flash slide show on id. How a fume hood works office of environmental health and safety. Envircos line of clean benchworkstation products provide a range of protection for the product, person, and the environment and all comply with the institute of environmental sciences and technologies iest recommended practices. Before using a fume hood, make sure your work area is clean and uncluttered. This is primarily done by keeping the air inside the fume hood away from the people doing the experiment. A guide to fume hood codes and standards laboratory design. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Proper use of the fumehood sash can also shield the worker from an uncontrolled reaction. Fume hood alarms your fume hood may be equipped with a suitable low flow alarm. By reducing the amount of air exhausted as the sash is lowered a constant face velocity is mantained, exhausting less air than a constant volume hood. Fume hoods also serve as physical barriers between reactions and the laboratory, offering a measure of protection against inhalation exposure, chemical spills, runaway reactions and fires. The fume hood is one of the most common protection devices used in laboratories and merits special attention for the following reasons. Mail handling safety ductless fume hoods, laminar flow.
A strong safety culture encourages all laboratory workers to place the highest priority on best practices and to raise concerns to colleagues and. The fume hoods are equipped with variable air volume controls, which means that when the sash is lowered, the air flow is low and when the sash is raised, the air flow is increased to the optimum velocity for efficient operation. The hood is equipped with a monitor that continuously monitors the. If so, share your ppt presentation slides online with. If opening is at 12 open at 120 fpm feet per minute, face velocity at full open would be approximately 60 fpm. Never use the fume hood to store chemicals and equipment between procedures. Monitoringalarms many older labs are equipped with fume hoods that do not have air flow monitoring devices. Labconco offers a laboratory fume hood for every application. Most fume hoods for industrial purposes are ducted. Chemical fume hoods are designed to protect the worker from chemical exposure. Fume hoods also offer other features and protections that are useful in a laboratory setting. No matter how safe the fume hood system is designed to be, the operator must follow certain procedures for it to work safely and efficiently.
For this reason additional makeup air must be brought into the room to maintain a proper air balance. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Keep all sashes closed except when actually manipulating objects within the hood. The air velocity measurements are noted on a tag on the hood. Supply and exhaust volumes should be such that the lab is slightly negative. Baffle removable plates incorporated into the rear or top. Prepare one room on the lower lever of the elliman research building for use of a fluoroscopy unit. Envirco installation, operation, and maintenance manuals. In certain situations face velocity of up to 125 fpm or as low as 75 fpm may be acceptable to meet required capture velocities of the fume hood. The purpose of this design is to completely remove any toxic chemical vapors or radioactive compounds that are generated inside the cabinet.
Fume hood operation dos and donts services wright state. Fume hoods that do not vent solvents outside of the building rely on filters inside the. Advances in fume hood technology have made it more challenging to compare fume hood performance. The sash of the fume hood may not be raised completely during usage, unless marked otherwise. To place the fume hood in a standby mode, activate the black button again. Only a specially designed laboratory fume hood should be used for perchloric acid procedures. Fume hood flow meter information and instructions there are basically two types of airflow monitors used on campus fume hoods and exhaust ventilation.
Laboratory fume hoods california state university fresno in accordance with title 8 ccr section 5154. Ucsc laboratory safety program may 20 chemical fume. But you, the fume hood operator, are the single most important safety feature in the laboratory. Laboratory fume hoods are often the primary control device when using toxic and flammable chemicals in a laboratory. One registration provides immediate access to hundreds of pdfs, cad drawings and more. Fume hood fhdfh series, fume hood fhdfh fhdfh with stand it is the new technical instrument in air condition workshop and clean workshop. Whether you need a light duty enclosure for nuisance vapors, a sophisticated hood system for toxic fumes, or specialized ventilation equipment for unique applications, labconco can offer a perfectly tailored solution. Fume hood operation marcy huey august, 2009 l a b o r a t o r y v e n t i l a t i o n key concepts be. An integrated system of damper control, alarms and controller optimizes fume hood face velocity based upon open sash area. Learn about the proper installation of a labconco fume hood, including product inspection, removal from packaging, set up and service fixture and electrical connections. Powerpoint 2019 for mac includes several new features that arent available in prior versions. This fume hood type should be clearly labelled and its use restricted to only perchloric acid procedures. Before a new fume hood is put into operation an adequate supply of makeup air must be provided to the lab. Ppt laboratory fume hoods powerpoint presentation free.
Prepare a second room and relocate fume hoods from the 1st floor to the lower level. Definitions action level means a concentration designated in 29 cfr part 1910 for a specific substance, calculated as an eight 8hour timeweighted average, which initiates certain required activities such as exposure monitoring and medical surveillance. Jan 10, 2014 heres how to work safely and responsibly in your laboratorys chemical fume hood. Assistant secretary means the assistant secretary of labor for occupational safety and health, u. Designed to offer the complete solution to laboratory ventilation concerns. The fume hood described in this specification is supplied in depths of 3714inches or greater. A fume hood is typically a large piece of equipment enclosing five sides of a work area, the bottom of which is most commonly located at a standing work height. The result is that the hoods are operating at the minimum exhaust volume whenever no one is actually working in front of them. Perform all work involving hazardous or volatile materials in a fume hood. Fume hood operation turn on the fan by pressing the green button at the top of the fume hood. If you cannot hear the fan, or the low airflow alarm sounds, the fume hood is not operating correctly, and is not safe to use. Times new roman times blank presentation powerpoint presentation powerpoint presentation powerpoint presentation powerpoint presentation powerpoint.
We urge you to become familiar with the recommended fume hood practices outlined. Isolate all storage cabinets which vent into the fume hood s. Air is pulled into the face of the hood and exits through a stack that exhausts to the outside of the building. The fume hood is only one part of the lab ventilation system. Airflow through a b2 cabinet is similar to that of a fume hood, externally exhausting 100% of the air pulled through the cabinet. Laboratory fume hoods laboratory fume hoods california state university fresno in accordance with title 8 ccr section 5154. This manual gives information for the operation and care of fume hoods and other equipment items. Awareness of health and safety concerns has increased regarding improperly operating fume hoods. Phoenix lab and fume hood interface hvac pro version 4.
Heres how to work safely and responsibly in your laboratorys chemical fume hood. No fume hood, however well designed, can provide adequate containment unless good laboratory practices are used, as follow. A guide to laboratory fume hoods important facts about laboratory fume hoods 6. A chemical fume hood can protect lab personnel from inhaling chemical fumes by constantly pulling contaminated air into the hood and. Smaller in size, it makes an excellent portable fume hood for the classroom or laboratory. Restricted bypass fume hoods are designed for operation on variable air volume vav exhaust systems when used with a fume hood face velocity controller not provided with hood. For most operations keep the baffle in a middle position with an inch or two also open at the. Verify the exhaust system is operating before each use.
And it is widely applicable in electronics, mechanics, medical, and university labs. Place outofservice signs on highly visible areas of the fume hoods and storage cabinets, which will indicate that the hoods are being serviced, and are not to be used for work or storage. Ppt fume hood operation powerpoint presentation free. Operations within the class iii cabinet are conducted through attached rubber gloves. Fume hoods are exposed to extremes of temperature from reagent fumes and working surface abuse. Fume hoods are inspected and tested annually to assess performance standards but it is up to you to use a fumehood safely. Ensure that the fume hood s are empty of all hazardous materials. Ppt laboratory ventilation powerpoint presentation. Ucsc checks campus fume hoods once a year to verify that the inward air velocity at the work opening is within an acceptable range.
Verify operation of the fume hood alarm before each use. Purchasing services university of wisconsin madison. Ppt fume hood operation powerpoint presentation free to. Mail handling safety ductless fume hood for mail screening safety the department of homeland security dhs recommends filtered exhaust hoods or containment receptacles for the handling and screening of mail as an added layer of protection. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Apr 09, 2020 a fume hood is a piece of laboratory equipment that is used to protect scientists from the possible negative effects of an experiment. Check fume hoods and biosafety cabinets and take the following precautions, if applicable. Fume hoods and safety cabinets thermo scientific nalgene versidry surface protectors quickly absorb spills and cushion breakable labware with these surface protectors. If vertical sash is open then horizontal sashes must be closed in an overlapping manner. There are differential pressure gauges and digital monitors with alarms. Stop any operations that may be emitting hazardous vapors, fumes, or infectious agents.
Refer to the certification sticker on the righthand side of the fume hood for the velocity. Laboratory fume hood user and installation guide page 4 rev 9 fume hood safety test your fume hood containment before first use and at least once per year thereafter. Dec 18, 2009 a basic look at the airflow and operation of a labconco fume hood, including proper work procedures and detailed information on the movement of air in and around the hood. New standard for fume hood minumum ventilation rate air. Check equipment on emergency power to ensure its running properly. Fume hood inspection procedures safety considerations require that a schedule of inspection and documentation be set up for every laboratory fume hood at least annually. Fume hood a fume hood or fume cupboard is a type of local ventilation device that is designed to limit exposure to hazardous or toxic fumes, vapors or dusts. Fume hood can be used in operation of potential risk or unknown infected factors, and the experiment of flammability. Standard operating procedure laboratory chemical fume hoods. It is a violation of environmental regulations to intentionally send waste up the hood stack. You should hear the fan operating and a light should come on. The agency regulations regarding fume hood operation are listed in the code of federal regulations volume 29 part 1910. Whats new in powerpoint 2019 for mac powerpoint for mac.
Have a general awareness of the operation of your fume hood and be aware of any differences in visual or audible cues that may imply a change in function. New standard for fume hood minumum ventilation rate after years of work, the new ansiaiha z9. Integrated components, blowers, fume scrubbers, and ducting are engineered together to provide a safe, effective, and efficient fume hood ventilation system. The ductless fume hood, dfh is designed to allow quick access to the particulate filters, chemical filters, blowermotor and control panel assembly. The outgoing airflow moves aerosols, fum es, and vapors away from the worker. Ppt laboratory fume hoods powerpoint presentation free to. Laboratory fume hoods are a type of ventilation system with the primary function to exhaust chemical fumes, vapors, gasses, dust, mist and aerosol. A fume hood is a ventilated enclosure in which gases, vapors and fumes are contained. The labconco protector fume hood has been engineered to provide maximum visibility in a. Verify the date on the inspection sticker on the fume hood. Laboratory fume hoods request for changes type of change suggested o correction of information o deletion of information o addition of information location of suggested changes if necessary, photocopy relevant pages of this manual and attach to this sheet.
Keep sashes and hood countertop clean wash them regularly. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. This code addresses several aspects of laboratory design and operation. The system monitors alarms and will reduce airflow upon lack of human presence as well as close the dampers in the event of a fire. Fume hoods should be used for all activitiesexperiments that may create hazardous airborne contaminants, with the exception of biological agents. A fumehood confines hazardous airborne material by. Ucsc laboratory safety program may 20 page 2 per minute fpm through the work opening. Fume hood operation is the property of its rightful owner. Fume hood proper work practices office of environmental. Ucsc laboratory safety program may 20 chemical fume hoods. Laboratory fume hood operating procedures begin with the basics.
Constant volume chemical fume hoods exhaust a constant. Regarding hoods it is primarily concerned with airflow at the face of the hood, monitoring, maintenance and exhaust. Using a fumehood correctly perform all work involving hazardous or volatile materials in a fume hood. Operating procedures for fume hoods environmental health. When in use, the class iii cabinet is maintained through negative air. A basic look at the airflow and operation of a labconco fume hood, including proper work procedures and detailed information on the. This new standard replaces the one issued in 2003 and has a huge impact when it comes to energy efficiency in labs. Vav controllers minimize the amount of conditioned air that is exhausted through the fume hood. Phoenix lab and fume hood interface hvac pro version. A fume hood sometimes called a fume cupboard or fume closet is a type of local ventilation device that is designed to limit exposure to hazardous or toxic fumes, vapors or dusts. It is the result of labconcos more than 50 years experience in manufacturing fume hoods, and users like you suggested many of its features to us. Protector premier, xl, and passthrough models users manual. The level of protection provided by a fume hood is affected by the manner in which the fume hood is used. The ac600 series ductless chemical workstation features the use of molded thermoplastics configured for a variety of common applications.