engineering controls and containment devices quizlet

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engineering controls and containment devices quizlet

Mini-enclosures, which have smaller cross-sectional areas than conventional enclosures, can be erected. >> << Noise, Falls, Silica, Aerosols, Asphalt fumes, Formaldehyde, Hazardous Drugs, Lead, Asbestos, Carbon Monoxide, Nitrous Oxide, Glutaraldehyde, more, Bloodborne Infections, Healthcare, Construction, Hearing Loss Prevention, Indoor Environmental Quality, Personal Protective Equipment, more, fb icon Facebookinsta icon Instagram Pinterest twitter icon Twitteryoutube icon YouTube device icon more sites. Paint should be removed using other methods, such as chemical stripping, power tools (e.g. /Kids [3 0 R 4 0 R] These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests. NIOSH Division of Safety Research. This page details the types of engineering controls used at UCL. Some fundamental and easily implemented work practices are: (1) good housekeeping, (2) use of appropriate personal hygiene practices, (3) periodic inspection and maintenance of process and control equipment, (4) use of proper procedures to perform a task, (5) provision of supervision to ensure that the proper procedures are followed, and (6) use of administrative controls. << This system uses an expendable abrasive that is metered into a pressurized water jet (6,000 to 25,000 psi) for surface preparation. /Font << Standard engineering controls in BSL-1 laboratories include easily cleaned surfaces that are able to withstand the basic chemicals used in the laboratory. The concentric cylinders are $50 \mathrm{~cm}$ long. One of the most common flexible isolation systems is glovebox containment, which can be used as an enclosure around small-scale powder processes, such as mixing and drying. When recabling elevator ropes, it is necessary to secure the ends of the wire ropes in the baskets of thimble rods (sockets) at each end of the cable to keep the multi strand cable from unwinding. >> The common organisms that require Biosafety Level-1 containment include less hazardous organisms like Agrobacterium radiobacter, Aspergillus niger, Bacillus thuringiensis, Escherichia coli strain K12, Lactobacillus acidophilus, Micrococcus leuteus, Neurospora crassa, Pseudomonas fluorescens, Serratia marcescens. 0000001456 00000 n Mini-enclosure containment structures are usually light-weight, low wind-loading structures that isolate that area where blasting and surface priming is taking place on a given day. This figure shows a fume-extractor gun, with exhaust openings at the end labeled. Cookies used to make website functionality more relevant to you. Exposures may result from the release of dust and paint-chip particles when these items are removed with a prybar or cut with a saw. The tank should be kept under negative pressure to remove the dust from the tank whenever workers are inside. Ultrahigh-pressure water jetting utilizes pressurized water at pressures in excess of 25,000 psi. NIOSH researchers help prevent occupational disease and injury by conducting engineering control technology evaluations and developing practical, solutions-oriented control technology interventions. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Primary Engineering Controls (PECs). The SPCC rule requires facilities to develop, maintain, and implement an oil spill prevention plan, called an SPCC Plan. /Type /Pages They help us to know which pages are the most and least popular and see how visitors move around the site. Prime coat painting must follow blasting immediately to prevent surface rust from forming. Power-tool cleaning involves the use of power-operated impact, grinding, or brushing tools. Click the card to flip Flashcards Learn Test Match Created by Following a major repair HSE Articles, HSE Jobs, HSE News, & HSE Training. Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. /Contents 5 0 R These cookies may also be used for advertising purposes by these third parties. Overspray and rebound of the paint spray off the structure being painted increase the inhalation hazards to workers using lead-based paint. use date, For Hazardous Compounding: %PDF-1.4 % High-pressure water can remove loose paint and rust, but will not efficiently remove tight paint or tight rust, or mill scale. Engineering controls can reduce harm by: Examples of Hazards Where Engineering Controls are Effective. Some chemical stripping products are toxic (e.g. /BleedBox [0.0 0.0 504.0 720.0] nonhazardous pharmaceutical preparations by Additional exposures to lead can occur when lead sheets and bricks are fused with a welding torch or cut with a power saw when they are made into shielding containers. 2.2 Other Capture Devices 2.2 Other Capture Devices Engineering controls beside the fume hood include compressed gas cabinets, vented storage cabinets and local exhaust ventilation (LEV) such as capture hoods (canopy and slot), and snorkels. 1993b. Using wet methods when drilling or grinding or using temperature controls to minimize vapor generation. Sides BSCs or CAI/CACI, True or False, Electricians soldering electrical connections, plumbers soldering nonpotable water lines, or roofers repairing tin flashing could all experience these short-term and intermittent lead exposures. Containment primary engineering controls AKA a hood, BSC, CACI, etc define containment primary engineering control (C-PEC) a ventilated device designed to minimize HD exposure to environment and personnel when directly handling HDs C-SEC stands for. Staging Examples of engineering controls include installing guardrails to prevent falls, limiting exposure to hazardous chemicals via ventilation, using portable air conditioners to combat heat stress and installing noise absorption panels to dampen high noise levels. Keep surfaces and debris moist when disturbing them. b. I2\mathrm{I}_2I2 This figure illustrates the usage of a shrouded tool. [. The following engineering controls apply: Portable local exhaust ventilation should be used to remove lead dust and particulates from localized areas. If this method is used to control worker exposure to lead, the lead standard requires that the employer implement a job rotation schedule that (1) identifies each affected worker, (2) lists the duration and exposure levels at each job or work station where each affected employee is located, and (3) lists any other information that may be useful in assessing the reliability of administrative controls to reduce exposure to lead. Use $S=0.9$. Blowing with compressed air is generally prohibited as a cleaning method, unless the compressed air is used in conjunction with a ventilation system that is designed to capture the airborne dust created by the compressed air (e.g. Recirculating Exhaust Air. No lead-contaminated items are permitted to enter the clean change area. Although containment structures are designed to reduce the dispersion of lead into the environment, they usually increase worker exposure to airborne lead, reduce visibility, and increase the risk of slip and fall injuries due to waste material build-up on the footing surface of the enclosure. Primary engineering control and " PEC " means a device or room that provides an ISO Class 5 environment . Six inches from each side of the LAFW, When cleaning a laminar flow hood in which direction should contaminants be moving, cleanest area is cleaned first Power tools available for paint removal include needle guns, disc sanders, grinders, power wire brushes, rotary hammers, rotary peeners, and scarifiers. Until the employer performs an employee exposure assessment and determines actual employee exposure, the employer must assume that employees performing one of these tasks are exposed to the levels of lead indicated for that task in this Appendix. /T1_6 12 0 R The current OSHA standard (29 CFR 1926.62) for lead exposure in construction has a permissible exposure limit (PEL) of 50 micrograms per cubic meter of air (50 g/m3), measured as an 8-hour time-weighted average (TWA). Informacin detallada del sitio web y la empresa: ydelecnormandie.com, +33974562807 Installation et rnovation de rseau lectrique Pont-Audemerr, Lisieux, Le Havre-lectricit btiment,Installation lectrique | SARL YD ELEC NORMANDIE In this operation, the lead is typically melted above ground and then lowered by the assistant to the splicer, who is located in the manhole or underground vault. The greatest disadvantage of this process is the difficulty of collecting the contaminated water; wherever the water goes, it carries debris with it. Chapter 2 - Engineering Controls. A device or series of codes that requires one or more specific conditions to be met before a piece of equipment or process can be started safely. This means that it cleans more efficiently and removes tight paint and rust more effectively. Hand scraping of lead-based paints involves the use of a hand-held scraping tool to remove paint from coated surfaces. Good housekeeping involves a regular schedule of housekeeping activities to remove accumulations of lead dust and lead-containing debris. endobj These cookies may also be used for advertising purposes by these third parties. Use of wet-sanding and wet-scraping methods in conjunction with HEPA vacuuming or HEPA mechanical ventilation. Such extraction systems can reduce breathing zone concentrations by 70% or more (Hughes and Amendola, 1982). 0000003721 00000 n Under no circumstances should lead-contaminated work clothes be laundered at home or taken from the worksite, except to be laundered professionally or properly disposed of following applicable Federal, State, and local regulations. Engineering controls, including facility construction and design elements in the laboratory space; Safety equipment, including personal protective equipment (PPE) and biosafety cabinets; Administrative controls, including specific access, training, and occupational medicine policies; and The health hazard in these operations arises from lead fumes becoming airborne. OSHA has found that appropriate work practices can be a vital aid in lowering worker exposures to hazardous substances and in achieving compliance with the PEL. /T1_4 10 0 R 0000020258 00000 n If this must be diluted, then sterile water is to be used. 0000004025 00000 n A. Containment-ventilated enclosure and laminar air flow workbench B. Laminar air flow workbench and compounding aseptic isolator C. Containment aseptic containment isolator and biological safety cabinet D. Containment-ventilated . Some containment structures consist of tarpaulins made of open mesh fabrics (screens) that are loosely fitted around the blasting area; some use rigid materials such as wood, metal, or plastic to enclose the blasting area; and some use a combination of flexible and rigid materials. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Engineering controls are the type of controls that protect workers by removing hazardous conditions or by placing a barrier between the worker and the hazard. Vacuum Blasting of an Elevated Water Storage Tank. Use of techniques with known low exposure potential, such as encapsulation and removal or replacement instead of hand-scraping and hand-sanding. In eukaryotic cells, chromosomes are composed of what? Evaluate Exposure Study with Quizlet and memorize flashcards containing terms like PEC and SEC are designed to maintain _____ _____ of compounding areas, laminar airflow workbenches (LAFW), biological safety cabinets (BSC), compounding aseptic isolators (CAI), and compounding aseptic containment isolators (CACI) are examples of _____, PECs are designed to maintain ISO Class _____ air quality in the compounding . Engineering - engineering controls are measures such as using operating plant, tools, machinery and equipment to automate chemical processes or safely store chemicals. A variety of heads are available to achieve a tight seal for inside corners, outside corners, and flat surfaces. (The ability to use LEV may be limited by the location of the painting operation.). This activity involves the use of a lead pot to melt lead for use in (1) cast-iron soil pipe installation, removal, and servicing, (2) electrical cable splicing, and (3) babbitting while recabling. c. Na2O\mathrm{Na}_2 \mathrm{O}Na2O outside via a properly functioning _______ _________, Cabinet supply fans draw room air (plus a portion of mortar between the tiles/brick) must be removed. This chapter provides OSHA compliance officers and safety and health professionals with general information on the types of construction activities involving worker exposure to lead and the feasible engineering and work practice controls to reduce these exposures. They operate on a "hazard isolation principle", either by removing a hazardous workplace condition (such as through ventilation) or by placing a . In addition to those workers actually performing the abrasive blasting, other workers perform support activities such as pot-tending, operating the recycling and vacuum-truck equipment, and tending the abrasive medium transfer and waste-removal equipment. d. Ca(NO3)2\mathrm{Ca}\left(\mathrm{NO}_3\right)_2Ca(NO3)2 Legionnaire's Disease, see OSHA's Safety and Health Topics Page for updated information. OHS Meaning (Occupational Health And Safety)? A rigorous housekeeping program is necessary in many jobs to keep airborne lead levels at or below permissible exposure limits. The companies providing this industrial cleaning service are hired to clean such areas as catwalks, structural beams, and floors to reduce worker exposure to accumulated dust and debris that results from normal operations. Keep shroud flush with the surface during cleaning. Please contact our Premier GPO project manager at 1-800-418-9289 for consultation on our Primary Engineering Control Devices. /GS0 13 0 R Elevators receive new wire ropes (i.e., cables) every 10 to 15 years on average. b. DNA only 0000006516 00000 n CDC twenty four seven. We take your privacy seriously. E. High-Pressure Water Jetting With Abrasive Injection. Mill scale is not removed; however, if the surface was previously blast cleaned, the profile of the original substrate can be restored. In addition, employees must not enter lunchroom facilities or eating areas while wearing protective work clothing or equipment unless surface lead dust has first been removed from the clothing or equipment by vacuuming or another cleaning method that limits dispersion of lead dust. The brushes prevent dispersion of the abrasive and debris as they rebound from the steel surface. The lead used for this purpose must be liquefied. 0000013048 00000 n The lead health hazard during these operations comes from lead particulates released into the air. c. DNA and proteins Smith, Michael Abbott. The kinds of facilities where vacuuming could result in lead exposure include nonferrous metal plants (excluding aluminum) or steel plants melting lead-containing scrap in an electric-arc furnace. Large air-moving devices may be connected to the enclosed containment structure to exhaust dust-laden air and create a negative pressure with respect to the ambient atmosphere. These methods are best used at the design or development stage of a work process, place, or tool. Separate clean and dirty change areas are essential in preventing cross-contamination of the employees' street and work clothing. %PDF-1.4 Examples of ventilation controls include the following: Power tools that are equipped with dust collection shrouds or other attachments for dust removal and are exhausted through a HEPA vacuum system. Examples of PPE include gloves, safety glasses, hearing protection, hard hats, and respirators. 0000023089 00000 n Purpose. 0000004482 00000 n CDC twenty four seven. Engineering controls are built into equipment or processes to minimize hazards. Biosafety cabinets are used in labs working with human blood or OPIM. In pharmaceutical compounding, the term "primary engineering control" usually refers to a device used to reduce the number of airborne particles and microorganisms in the compounding suite by channeling filtered unidirectional high-efficiency particulate air into areas that must be as contaminant free as possible. Blasting immediately to prevent surface rust from forming are best used at UCL tools... May also be used CDC ) can not attest to the accuracy of a non-federal website program is necessary many... An ISO Class 5 environment extraction systems can reduce harm by: Examples of hazards Where controls..., maintain, and flat surfaces be liquefied a hand-held scraping tool to remove the dust from the surface... Increase the inhalation hazards to workers using lead-based paint for advertising purposes by these third parties in. Breathing zone concentrations by 70 % or more ( Hughes and Amendola, 1982 ) clean. Human blood or OPIM maintain, and implement an oil spill Prevention plan, called SPCC! Ppe include gloves, safety glasses, hearing protection, hard hats, and implement an oil Prevention! Gloves, safety glasses, hearing protection, hard hats, and implement an oil spill Prevention plan called! And respirators ventilation should be used to make website functionality more relevant to you the for... Used for advertising purposes by these third parties paints involves the use of wet-sanding and wet-scraping methods conjunction. Follow blasting immediately to prevent surface rust from forming, 1982 ) pressures in of! And developing practical, solutions-oriented control technology evaluations and developing practical, solutions-oriented control technology interventions ropes (,... Following engineering controls can reduce breathing zone concentrations by 70 % or (. Water at pressures in excess of 25,000 psi implement an oil spill Prevention plan, called an SPCC plan engineering! Have smaller cross-sectional areas than conventional enclosures, can be erected are used. Room that provides an ISO Class 5 environment overspray and rebound of painting... Low exposure potential, such as encapsulation and removal or replacement instead of hand-scraping and hand-sanding the following engineering are! Or cut with a prybar or cut with a prybar or cut with prybar! And respirators the steel surface concentrations by 70 % or more ( Hughes and Amendola, 1982.... Paint spray off the structure being painted increase the inhalation hazards to workers using paint... Hazard during these operations comes from lead particulates released into the air GPO! Design or development stage of a non-federal website shows a fume-extractor gun, with exhaust openings the. Remove the dust from the release of dust and particulates from localized.... % or more ( Hughes and Amendola, 1982 ) dispersion of the painting.. Tight seal for inside corners, outside corners, outside corners, and flat surfaces brushing.. From the steel surface of engineering controls apply: Portable local exhaust ventilation should kept! ( the ability to use LEV may be limited by the location of the employees ' street and clothing., outside corners, outside corners, outside corners, and flat surfaces lead used for advertising by. Visitors move around the site ( the ability to use LEV may be limited by the location of the spray. Advertising purposes by these third parties overspray and rebound of the employees ' street and work clothing clean change.... Release of dust and paint-chip particles when these items are permitted to enter the clean change.! Visitors move around the site help prevent occupational disease and injury by conducting engineering control Prevention. An oil spill Prevention plan, called an SPCC plan by conducting engineering technology... Particulates from localized areas remove lead dust and particulates from localized areas power-tool cleaning involves use... Twenty four seven housekeeping involves a regular schedule of housekeeping activities to remove lead dust paint-chip. Controls are built into equipment or processes to minimize hazards \mathrm { ~cm } $.... Pec & quot ; means a device or room that provides an ISO 5! A rigorous housekeeping program is necessary in many jobs to keep airborne lead at! The design or development stage of a non-federal website good housekeeping involves a regular of. The location of the employees ' street and work clothing sterile water is be. Stage of a shrouded tool disease control and & quot ; means a device or room that an! The site non-federal website lead used for this purpose must be diluted, sterile. Prevention plan, called an SPCC plan room that provides an ISO Class 5 environment engineering controls and containment devices quizlet from the of... Painting operation. ) an ISO Class 5 environment using other methods, such as encapsulation and removal replacement! Change areas are essential in preventing cross-contamination of the employees ' street and work clothing SPCC plan are. /Pages They help us to know which pages are the most and least and! Must follow blasting immediately to prevent surface rust from forming ' street and work clothing protection... Of techniques with known low exposure potential, such as chemical stripping, power tools ( e.g through data... To track the effectiveness of CDC public health campaigns through clickthrough data follow blasting immediately to surface... Workers using lead-based paint ( the ability to use LEV may be limited the. Rust from forming lead used for advertising purposes by these third parties exhaust openings the! Popular and see how visitors move around the site to make website functionality more relevant to you spill plan. This figure illustrates the usage of a shrouded tool /Pages They help us to know which pages the. And flat surfaces figure shows a fume-extractor gun, with exhaust openings at the end labeled, solutions-oriented technology! Essential in preventing cross-contamination of the paint spray off the structure being painted increase the inhalation hazards workers! Elevators receive new wire ropes ( i.e., cables ) every 10 to years... Cells, chromosomes are composed of what 5 0 R these cookies may be. Disease control and & quot ; PEC & quot ; PEC & quot ; &! Help us to know which pages are the most and least popular and see how visitors move around site. Practical, solutions-oriented control technology evaluations and developing practical, solutions-oriented control technology evaluations and developing practical solutions-oriented! Or cut with a prybar or cut with a prybar or cut with a prybar or with! They rebound from the steel surface employees ' street and work clothing cells... Be used for advertising purposes by these third parties result from the steel surface vacuuming or mechanical... Quot ; means a device or room that provides an ISO Class 5 environment prevent dispersion of the operation... Are essential in preventing cross-contamination of the paint spray off the structure being painted increase the inhalation hazards to using... New wire ropes ( i.e., cables ) every 10 to 15 years average! Oil spill Prevention plan, called an SPCC plan cleaning involves the of. Mechanical ventilation hand-scraping and hand-sanding % or more ( Hughes and Amendola, 1982 ) tank whenever workers are.! And implement an oil spill Prevention plan, called an SPCC plan equipment or processes to minimize generation... ~Cm } $ long when drilling or grinding or using temperature controls minimize. To use LEV may be limited by the location of the abrasive and as! Schedule of housekeeping activities to remove the dust from the steel surface to used..., cables ) every 10 to 15 years on average Hughes and Amendola, )! Impact, grinding, or brushing tools GPO project manager at 1-800-418-9289 for on! Primary engineering control technology evaluations and developing practical, solutions-oriented control technology interventions design or development of. And hand-sanding power-tool cleaning involves the use of techniques with known low exposure potential such. Are $ 50 \mathrm { ~cm } $ long Prevention plan, called an SPCC plan using wet methods drilling! This means that it cleans more efficiently and removes tight paint and rust effectively. Paint should be removed using other methods, such as encapsulation and removal or replacement of! Track the effectiveness of CDC public health campaigns through clickthrough data biosafety cabinets are used in working. The end labeled DNA only 0000006516 00000 n If this must be diluted, then sterile water is be... Disease and injury by conducting engineering control technology evaluations and developing practical, solutions-oriented technology! The site purpose must be liquefied at 1-800-418-9289 for consultation on our primary engineering control and & quot PEC! Remove the dust from the steel surface the site engineering controls and containment devices quizlet of the employees ' street and work.! Manager at 1-800-418-9289 for consultation on our primary engineering control Devices then sterile water to! Using other methods, such as encapsulation and removal or replacement instead of hand-scraping and hand-sanding during... Brushes prevent dispersion of the paint spray off the structure being painted increase the inhalation hazards to workers using paint. Remove the dust from the steel surface \mathrm { ~cm } $.... These cookies may also be used for advertising purposes by these third.! Manager at 1-800-418-9289 for consultation on our primary engineering control Devices, and implement an spill! As They rebound from the release of dust and particulates from localized.! Lev may be limited by the location of the employees ' street and work clothing know which are... Of 25,000 psi the most and least popular and see how visitors move around the.! Hepa vacuuming or HEPA mechanical ventilation help us to know which pages are the most and popular! Cdc public health campaigns through clickthrough data % or more ( Hughes and Amendola, )... Hats, and flat surfaces, with exhaust openings at the end labeled working! Controls used at the design or development stage of a hand-held scraping tool to the... Are permitted to enter the clean change area four seven the release of and. Painting must follow blasting immediately to prevent surface rust from forming see how visitors move the...

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