local exhaust ventilation Articles

  • Two approaches to effective ventilation system design for the biomedical device and pharmaceutical industries

    This paper provides two alternative solutions to the difficult task of providing adequate ventilation to operations found in the biomedical device and pharmaceutical manufacturing industries. The first approach involves a two-tier strategy that includes an isolation chamber and an appropriately designed local exhaust hood. The second approach involves the design of modular, walk-in hood. ...


    By Inderscience Publishers

  • Case study of odor and indoor air quality assessment in the dewatering building at the Stickney Water Reclamation Plant

    Indoor air quality (IAQ) and odors were determined using sampling/monitoring, measurement, and modeling methods in a large dewatering building at a very large water reclamation plant. The ultimate goal was to determine control strategies to reduce the sensory impacts on the workforce and achieve odor reduction within the building. Study approaches included: (1) investigation of air mixing by ...


    By IWA Publishing

  • Plumbers & Pipe Fitters 853 case study

    Sprinkler & Fire Protection Training Facility The Problem Local Union 853- Sprinkler Fitters of Ontario called on DiversiTech to provide ventilation for their new Sprinkler and Fire Protection Trade Centre and Training Facility. The Solution Two guidelines were presented for consideration before unit selection was made. The school did not want to ...


    By DiversiTech

  • LEV: What You Need to Know Before Selecting and Installing Dust Control Systems - White Paper

    Many processes in the production of drugs in the pharmaceutical industry produce significant quantities of dust which can cause serious health related problems to workers handling the materials. Additional problems of these operations are the loss of valuable material and the serious risk of cross contamination of drugs. Operations such as scooping, tablet processing, blending, milling, and tray ...


    By Kleissler P C, LLC

  • Welding Fumes and the effects of Manganese

    The potential risks of welding operations include the potential to breathe in metal fumes and toxic gases. Fume particles are formed from the vaporisation of molten metal that occurs during the process. These particles are very fine in size and may join together to form larger particles.. The biggest risk is exposure to the manganese contained in fumes that are given off during welding. ...


    By Shawcity Limited

  • Redundant combustion plant for Novartis

    Type     HOFGAS®- IFM4c/2200/1500/60/180 Commissioning     2004 Site     Novartis (Basel, CH) Situation In order to prevent production failure due to missing redundancy in the flue gas clean up, Novartis required an additional system. During different production processes exhaust air load with organic components is formed. ...


    By Hofstetter BV

  • The Hazards of Being in a Beauty Salon

    There are many health risks associated with the beauty industry due to the chemicals found in the products. We are all affected by these chemicals every time we go to the beauty salon. Many of the products found in these salons are classified as hazardous and extreme caution should be taken into consideration when using these products. They’re made for professional use only; therefore, ...

  • NASA acts to reduce crawler transporter noise

    The United Space Alliance sought outsideassistance to evaluate and develop noise controlmeasures for NASA’s two CTs at KSC aspart of a modernisation and upgrading program.NASA selected Noise Solutions Inc. (ageneral acoustical contractor) and their subcontractorFaszer Farquharson & Associates ofCalgary, Canada to engage in this project. Thefirst phase of the sound study ...

  • Blower Door Pressure Testing, Unvented Attics and Florida Homes

    I recently traveled to theCaribbean on a building science investigation. A large multi-national corporation owns several homes there for local executives. These homes had been plagued with dampness and mold growth problems for several years.  After several attempts to correct these problems, IET was called in, as we had ...

  • Bernaraby Landfill Power Plant - Case Study

    Clarke Energy has been contracted to supply and deliver one of GE's Jenbacher 1MWe containerised gas engine to LGI (Landfill Gas Industries Pty. Ltd.) for their new landfill gas power station project at Bernaraby, Queensland, Australia which will be operational in 2016. Generation Capacity The high efficiency ...


    By Clarke Energy

  • Cereform - case study

    As part of the global AB Maury Group, Cereform is providing a comprehensive range of technical bakery ingredients like dough conditioners and softeners, bread mixes and concentrates, soya flours, cake mixes and concentrates, donut mixes and concentrates and toppings, fillings and icings. During the production of these products they have various dust producing processes. One of the processes ...


    By Inteliair Ltd

  • A.E.S. 1977 paper to with plating emission problems

    A.E.S. PAPER The following paper has NOT been altered whatsoever. Some notes a) A.E.S. stands for American Electroplating Society. b) the mention of l¼ million cfm is now incorrect as it is well over 3 million cfm c) The Grandview E.C.E. scrubber is a condensed name for Eliminate, Coalesce, Eliminate …. and this design is called by various names such as LMS …low micron scrubber and LMITS …low ...


  • Is Hexavalent Chromium (Hex Chrome; Chrome VI) a carcinogen?

    In 1990, the International Agency for Research on Cancer (IARC), an agency of the World Health Organization (WHO), published their findings on chromium and chromium compounds as carcinogens.  Chromium may be isolated in any of three volume states: Chrome 0 or metallic chromium; Chrome III called “Chrome 3” or Chrome VI called “Chrome 6,” also called hexavalent ...


    By Atlantic Environmental, Inc.

  • Slay The Certification Uncertainty Dragon

    Passing the CIH, the ASP, the CSP, or the CHMM exam is a valiant quest filled with hardship and uncertainty. You set out on the arduous journey to pass the exam. You know the exam will be tough, but with determination and persistence, you’re confident you will prevail over the examination beast. You work hard. You study every night for 2 hours after your kids go to bed. ...


    By Bowen EHS, LLC

  • Is An Electric Pressure Washer the Right Choice for Your Business?

    Is an electric pressure washer the best option for your business, or should you purchase a gasoline, propane, or diesel powered pressure washer? To answer this question, you need to know the pros and cons of using an electric pressure washer. One of the major advantages of an electric pressure washer is its versatility. All you need to do is plug the machine into a power source and use it to ...


    By Daimer Industries Inc.

  • Case study - Better maintenance starts with better documentation

    OXIDIZER SERVICE SERIES: PART 1 Your oxidizer system is both a significant investment in - and a long term commitment to - environmental compliance. Part of properly servicing your oxidizer system is maintaining the design documentation associated with that system. In the oxidizer design world, National Fire Protection Association (NFPA) standards are often viewed as good practice. However, not ...

  • The QUADRANT SR Series Thermal Oxidizer and the textiles industry - Case study

    A synthetic leather manufacturer worked with Catalytic Products International, Inc. to design a unique Thermal (recuperative) Oxidizer. A recuperative thermal oxidizer was chosen because of high solvent LEL (+25%) exhausted from the process and a desire to integrate a hot oil recovery system to work with the oil heated production coating/curing line. After careful examination of the process ...

  • From Wastewater Treatment to Sweet Pineapples

    In wastewater treatment, ammonia that is removed from sewage used to be discharged directly to the atmosphere. Nowadays, studies have identified that ammonia emissions are of major concern to air quality. This has led to a new way of thinking. Sulzer offers modern closed-air-loop systems for wastewater treatment that transform ammonia into a common soil fertilizer. This reuse of a waste product ...


    By Sulzer

  • What is the REACH of your exposure?

    Margarethe Jaroszewski of 3E Company looks at the extra burden REACH Exposure Scenarios will bring The REACH Regulation went into effect on 1 June 2007, simplifying but also complicating the compliance work for companies manufacturing or importing chemicals in Europe. As a result, all companies manufacturing, importing, distributing or using chemical substances on their own, in mixtures ...


    By 3E Company

  • Class I, Division 1 Industrial Lights for THC Extraction Labs

    The cannabis industry is growing at a rapid rate. According to a report published by Marijuana Business Daily, the emerging sector is forecasted to overtake craft beer and organic food products. With legalization gaining momentum, it could reach $44 billion by 2020. The study also pointed out that for every dollar spent on weed, the local economy gains three dollars. A recent trend in marijuana ...


    By Larson Electronics LLC

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