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OVERVIEW Air Dynamics Industrial Systems Corporation manufactures an industrial dust collector ventilation system for PPG. The dust collector was designed to be used by their workers to reduce personal exposure limits for airborne nickel dust in their factory while simultaneously protecting the workers from silica dusts. THE APPLICATION Air Dynamics Industrial Corporation was approached by PPG Industries for assistance to comply with OSHA mandates by designing and installing an industrial ventilation system for their process. PEL (Permissible Exposure Limit), or Threshold Limit Value for OSHA, levels of heavy metal in their Carlisle facility were concerning, and PPG wanted to be sure safety was a priority. Heavy metal or nickel dust is known to affect lung function, cause cancer, and possibly even death depending on the extreme levels of exposure. OSHA has a set of guidelines and standards that are to be used wherever employees are being exposed to these toxic dusts.(1) THE CHALLENGE PPG, formally known as Pittsburg Plate Glass Co., was first founded in the late 1800’s with a focus on innovation and quality. During WWII, PPG was a premium manufacturer for the military due to their large facilities and numerous employees. PPG has had their hand in many products in a variety of industries such as laminated aircraft glass, solar collectors, synthetic printing, and athletic footwear just to name a few. PPG continues to be a leader in their industry while staying true to their founder’s notion of, “Bring innovation to the surface”, by continuing to improve their products and facilities. The major challenge faced by PPG was a high amount of silica dust being produced in their glass cutting process. Glass, like many materials used in Facility Before AD Source Capture Hood industry such as cement, ceramics, and abrasive blasting, produces silica dust. Silica is known to cause silicosis, a deadly and debilitating lung disease.(2) Controlling worker exposure in accordance to OSHA’s occupational health regulations requires the following three conditions be met: airborne dusts (silica in this case) are below or at PEL (TLV) permitted levels, flammable or explosive vapors must be controlled, and oxygen levels need to remain above or at the required threshold for employee safety. In this case, the first and second conditions required mitigation and therefore needed to be reduced as quickly as possible. PROVIDING THE BEST SOLUTION When contracted by PPG, Air Dynamics begins its systematic approach to solving a customer’s challenge. Air Dynamics is a turn-key manufacturer, which means the project is taken from concept to installation by Air Dynamics’ project managers. An initial site visit assessment is conducted to determine the exposure assessment and risk analysis. In addition, the project managers focus on not just the main problem for the client but determine other factors that may improve the overall process. Using the information gathered from site visits, a preliminary design is presented using 3D Auto CAD and CFD simulations to determine the most efficient method. Once the client has reviewed and approved preliminary designs, the project manager works with the design team to produce a detailed concept design. The process then moves to fabrication. Once the system is ready, the fourth phase begins which consists of the install, start-up, commissioning and training. The final step is the hand-off, where the project manager walks through the operations and maintenance with the facility’s operator, and training necessary for operation, followed by an industrial hygiene retesting. Air Dynamics supplied PPG with a cartridge dust collector system to handle their silica dust challenge. The site visit by Air Dynamics’ engineers revealed uncontrolled dispersal of silica dust at the saw blade which spread throughout the facility. A general exhaust system would not be sufficient to maintain safe PEL’s. This led Air Dynamics’ engineers to select a localized exhaust system featuring an enclosed source capture hood. The system was designed with 2000 CFM capacity and two 24” x 24” HEPA filters functioning as safety filters, or final filters. These HEPA filters are extremely efficient, capable of 99.97% efficiency at .3 micron. The source capture hood was designed with a 3D Auto CAD program to ensure proper fabrication and installation. The hood itself was a three-piece hinged hood that was specifically designed to control the grinding and cutting of plate glass. The design for the hood was engineered to not interfere with the cutting cycle’s movement or accuracy. The source capture hood of the ventilation system was uniquely constructed with a one-inch gap in between the conjoining walls which is where the suction air and the dust are conveyed. This design element was crucial in the overall design of the ventilation system because without it, there would be higher exposure to the silica and nickel dusts when cutting the glass. The fan was selected to match the system resistance (total system effect) to ensure that pickup velocity was sufficient. The enclosed hood was attached to industrial ductwork that transports the silica and nickel dust to the dust collection unit located away from the source. All ductwork was designed per SMACNA guidelines to prevent failure due to the cutter bridge movement and particle abrasion. The dust collector itself was equipped with features to improve the process at PPG and ensure easier maintenance. The collector was supplied with a drum cover, hose, and clamps to retain the collected material. A differential pressure switch was installed to alert operators when filter differential levels are at capacity. This alert feature included a flashing annunciator light on the control panel. The control panel itself is a NEMA 12 combination starter panel that integrates a 10 HP air mover separate fusing for all motor loads, start and stop buttons, and running indicator lights. Additionally, two magnehelic gauges were installed on the door panel to assist the operator in monitoring system performance. The overall dust collector design and operation is very reliable, and maintenance can easily be conducted with basic hand tools. After installation and startup of the industrial ventilation system, the employee exposure was reduced to acceptable levels per an industrial hygienist test protocol. CONCLUSION The industrial ACGIH certified ventilation system was designed to reduce the fugitive silica dust as flat glass was being cut in the Carlisle factory. Air Dynamics was contracted and successfully helped PPG with this issue by designing a complex ventilation system that would perform its job to the fullest while not disturbing the other machines that were already in place. With the new ventilation system, the PPG facility became a safer working environment and a better production facility. ABOUT AIR DYNAMICS Founded in 1991, Air Dynamics Industrial Systems Corporation designs and manufactures turnkey Industrial Vacuum Cleaning Systems, Portable Industrial Vacuum Cleaners, ACGIH Certified Industrial Ventilation Systems and Pneumatic Conveying Systems. Phone: (717) 854-4050 Email: sales@airdynamics.net Website: https://airdynamics.net (1) For more information on Silica dust and Nickel and the health effects see OSHA’s website https://www.osha.gov/SLTC/metalsheavy/nickel.html (2) See https://www.osha.gov/dsg/topics/silicacrystalline/ for details

OVERVIEW The Peppermill Casino in Reno, Nevada was in need of a lint filtration system to handle its heavy-duty laundry operation. They contacted Air Dynamics who was able to provide a superior LRS II system that filters all lint prior to exhausting into the facilities ducting. THE APPLICATION Peppermill Casino in Reno Nevada was concerned about accumulating too much textile lint from their continuous laundry and operations. Their current lint removal system was inefficient and maintenance intensive. With the near 24/7 operation at the Peppermill Resort, the volume of particulate, and the fine grain nature of the lint, caused it to pass through the mesh screen in the outdated lint systems. Realizing the seriousness of the issue, such as the increased risk of fire, the management at Peppermill worked with Maxwell Mechanical and Air Dynamics to find a solution to their challenge. THE CHALLENGE Peppermill had new ironers that generated more lint into the production area, creating a fire hazard. While the laundry facility was still safe for the time being, prolonged use with the current system could lead to a fire or poor working conditions. Initially, Air Dynamics’ engineers were hoping to perform a retrofit of the old lint removal system. This sometimes is more cost effective than installing new equipment. However, due to the design limitations of the prior system and its’ inability to handle the output of the laundry/dryer process at Peppermill, it was determined that the entire old system would need to be replaced with more efficient units. Air Dynamics’ engineers recommended the advanced LRS II designed by Air Dynamics to tackle filtration in heavy-duty laundry applications. Already proven in high-volume laundry facilities and marine applications the LRS II is a proven effective solution for minimizing the chance of fire in the exhaust (ducting) systems. PROVIDING THE BEST SOLUTION Air Dynamics performs a ACGIH certified industrial ventilation risk assessment and analysis for each project. This begins with a site visit. Air Dynamics employees visited the Peppermill Casino and took detailed measurements of spacing, laundry system specifications, and dryer details. It is during this phase that additional inefficiencies or issues that may have been previously unknown to the client are identified. Noticing these details are what sets Air Dynamics apart. The solutions are not off-the-shelf, or out-of-the-box. Air Dynamics’ systems are turn-key and M.T.O (made-to-order) so they focus on the entire process to ensure optimal efficiency and performance. Therefore, the comprehensive site visit is essential to the project, and is the first step to ensuring a complete solution to the challenge. This is combined with careful research conducted on the dryer and ancillary ventilation systems. Research on the performance of the dryers is critical to match with the lint removal systems capabilities. If it is too small, the system will not handle the quantity of lint being produced in the process, and if it is too large the power requirements will cause wasted energy expenditures. Once the site-visit and research was conducted, Air Dynamics proposed their LRS II designed to integrate seamlessly into Peppermill’s laundry system. The proposed design featured the LRS II with a total exhaust value of 12,000 CFM to collect lint for the two Chicago Ironers – Models 3200 & 5200. Each of the LRS II’s feature filters with 99.97% efficiency at one-half micron. An example of the advanced capabilities of the LRS II is obvious when we compare the standard 200 mesh filtration of most lint systems to the LRS II. 200 mesh, or 74 microns, filters material that is about the size of a grain of sand. The LRS II’s filters operating at 0.5 micron are 400% more efficient. This level of filtration can capture bacteria and other pathogens, as well as all lint passing through the system. The lint removal efficiency was optimized at Peppermill by installing compound hoods over the ironers to capture the lint at the source. These special hoods were powered by a boost fan that collected lint into the capture hoods. All the LRS II modules were controlled by a control panel that had both automatic and manual control. The control panel also featured a rotary disconnect for safety. The entire system was connected via ACGIH certified ventilation ducting and capture hoods designed to transition the dirty air stream through the LRS II filters and exhaust clean air into the existing ductwork of the Peppermill facility. It is critically important when venting highly flammable lint into ducting that passes through the interior of a structure to remove any residual material. Once the LRS II modules were installed the Air Dynamics’ team follows through the turn-key process by overseeing start-up and commissioning of the system. After determining satisfactory results, Peppermill was provided with a full manual and training by Air Dynamics’ engineers to facilitate full support for future operations. CONCLUSION Air Dynamics successfully provided a customized LRS II system to mitigate any lint from the Peppermill Casino laundry area. Compared to alternative systems, the LRS II outperforms other lint filter systems. This is due to the high filtration efficiency. ABOUT AIR DYNAMICS Air Dynamics Industrial Systems Corporation was founded in 1991 and designs, manufactures, and installs industrial portable and central vacuum systems, environmental test chambers, pneumatic conveying, and industrial dust collectors and other air & material moving systems. All projects are turn-key, where a project manager follows the project from conception and design through installation, commissioning, and start-up. Visit us on-line to view our successful installations on a global scale. See what we're capable of online or give us a call to discuss your specific air and material moving challenge. Phone: (717) 854-4050 Email: sales@airdynamics.net Website: https://airdynamics.net

OVERVIEW Milum Textile Services approached Air Dynamics Industrial Services for a specialized central and portable vacuum system. The system was built to accommodate the specific needs regarding Milum's lint and dust cleaning issue. Due to Air Dynamics careful design and engineering, all specific needs of Milum were met. THE APPLICATION Milum Textile Services is located in Phoenix, Arizona. The company's main focus is on the commercial linen and laundry service throughout most of Arizona, including many significant health care providers. Milum ensures a clean process that removes dangerous biohazards commonly produced in medical environments such as hospitals, surgery centers, hospices, and many other types of organizations. Specifically, Milum was concerned about recent health incidents involving hospital linens. The president of the company, Mr. Craig Milum heard about the Children's Hospital in New Orleans, LA, suffering five independent child patient deaths to an initially unknown infection.(1) The cause was determined five years later to be airborne soil particles and lint contaminated by a potentially infectious mold. Due to cleaning procedures employing widespread use of compressed air at this facility the hospital's "clean" processed linens were contaminated. Since Milum deals with a large amount of hospital and health care linens, they wanted to be proactive in preventing catastrophes like this in the future by improving their cleaning methods. THE CHALLENGE Air Dynamics Industrial Systems Corporation was approached by the president of Milum Textile Services, Mr. Craig Milum, with a need for a more efficient and adaptable vacuuming system. Due to the high volume of linens cleaned daily in the plant a significant quantity of lint accumulates. Milum regularly cleaned with compressed air to "herd" dust, followed by a manual sweep to remove the settled particulates. However, the use of compressed air even on a managed and controlled basis launched some dust and lint into the air introducing the potential hazard of re-contaminating clean, processed re-usable linens. Also, in the course of a day besides housekeeping activities, the processing of linens, airborne lint was generated some of which accumulated on overhead surfaces until removed by routine, conventional cleaning. Besides the potential threat to clean linens, the laundry and housekeeping practices increased the risk of fire.(2) Milum sought out a viable solution to their health and safety risks. After researching and contacting industrial vacuum companies, Milum chose Air Dynamics due to their extensive knowledge of the field. Craig Milum commented that, "Daniel Lehman was several times more knowledgeable [than the competition]" and "I took it as he's probably as knowledgeable as anybody in the country, actually, about the use of industrial vacuums". In addition to expertise, the vacuum system would need to drastically reduce the time it would take to perform the cleaning process. Air Dynamics was able to provide a versatile central and portable vacuum engineered specially for Milum's needs. PROVIDING THE BEST SOLUTION When approached with the lint problem at Milum Textile Services, Air Dynamics recommended their versatile PLECO HEPA Vacuum system. The PLECO incorporates several U.S. patents. It also features a innovative vacuum system design that performs a variety of applications. One of the key features of the PLECO system is its adaptability. This is critical due to the wide range of hazardous dust, lint, and particulates generated in many factories and industries. In the case of Milum Textile Services there were three major requirements that the PLECO needed to meet to perform its task properly: Suction up all particulates in the facility (i.e. lint and dust from textiles) Perform its duties in an easy and accessible manner Provide significant reduction to the maintenance of the cleaning facility Additionally design the PLECO to support two simultaneous users to increase productivity In order to meet the needs of Milum Textile Services, Air Dynamics Industrial Systems Corporation engineered a PLECO vacuum system specifically for Milum. The PLECO system installed featured a 11.5 horsepower vacuum motor coupled with approximately 350' run for the vacuum line. The central system was connected to twenty-five individual 2.125" drops spread throughout the facility 30" above the floor. In order to provide ease of access and full coverage of the facility the drops were connected with an interchangeable 10' hose that spanned the distance between each drop-down tube. The operator can suction dust with a flexible 25' housekeeping hose. This hose can be equipped with a variety of nozzles and brushes capable of handling Milum's range of cleaning operations. As a holistic system, the PLECO provides a high efficiency vacuum cleaning system with its primary filtration maintaining a 99.97% efficiency @ 1/3 micron. The combination of a centralized vacuum supplemented with a convenient and efficient portable unit provided the necessary versatility for proper maintenance at Milum Textile Services. In addition to the adaptable PLECO system, flooring to optimize the cleaning process Air Dynamics recommended that Milum polish their flooring to optimize the cleaning process. The polish prevents lint from clinging to the floor and allows the PLECO system to function at a higher capacity. CONCLUSION The PLECO Portable HEPA Vacuum System easily met the demands of Milum Textile Services. The adaptability of the PLECO was demonstrated once again by applying the right equipment to the precise needs of the customer. The president of Milum Textile Services, Mr. Craig Milum praised the efficiency of the PLECO HEPA Vacuum system stating that: "Average time spent with compressed air "herding" daily is estimated at two and a half hours. Now we are doing the same areas with much higher quality in about 40% less time. We anticipate continued significant improvement during the next three months as we develop better techniques and tools" Less wasted time and higher efficiency means greater fiscal gains. Milum Textile Services was able to realize these gains while simultaneously providing a cleaner and safer work environment for its employees. Clearly, the PLECO HEPA Vacuum System was the right choice for Milum, and very well could be the one for you too. Please consult our knowledgeable sales staff with questions or for a quote. ABOUT AIR DYNAMICS Founded in 1991, Air Dynamics Industrial Systems Corporation designs and manufactures turnkey industrial air cleaning systems. See what we're capable of online or give us a call to discuss your specific air and material moving challenge. Phone: (717) 854-4050 Email: sales@airdynamics.net Website: https://airdynamics.net (1) http://www.nola.com/health/index.ssf/2014/04/childrens_hospital_investigate.html (2) See https://www.ccohs.ca/oshanswers/chemicals/combustible_dust.html & https://www.osha.gov/dsg/combustibledust/ for more details

CASE STUDIES LAUNDRY LINT CONTROL LEARN HOW AIR DYNAMICS INSTALLED A POWERFUL LINT CONTROL SYSTEM TO PROVIDE 24/7 CONTINUOUS DUTY PROTECTION FOR THIS PROMINENT CASINO IN RENO, NEVADA. READ MORE OUR MISSION To deliver scientific driven, enterprise-level solutions resolving the toughest air & material control challenges. Our solutions result in premiere and innovative products that create safe, efficient, and productive work environments! CASE STUDIES Air Dynamics Industrial Systems Corporation 5 min Case Study | Silica Containment & Control OVERVIEW Air Dynamics Industrial Systems Corporation manufactures an industrial dust collector ventilation system for PPG. The dust... Air Dynamics Industrial Systems Corporation 4 min Case Study | Lint Removal OVERVIEW The Peppermill Casino in Reno, Nevada was in need of a lint filtration system to handle its heavy-duty laundry operation. They... Air Dynamics Industrial Systems Corporation 4 min Case Study | Dust and Lint Control OVERVIEW Milum Textile Services approached Air Dynamics Industrial Services for a specialized central and portable vacuum system. The... Air Dynamics Industrial Systems Corporation 4 min Case Study | Wood Dust OVERVIEW Matthews International approached Air Dynamics Industrial Corporation with a wood dust dilemma. Through careful calculation and... Air Dynamics Industrial Systems Corporation 4 min Case Study | Combustible Dust Control Air Dynamics Industrial Systems Corp. manufacturers another turn-key vacuum cleaning system for World's Leading Pet Food Maker - Mar's Pet C Air Dynamics Industrial Systems Corporation 4 min Case Study | Combustible Dust Control with Key Plastics Air Dynamics Industrial Corp. manufactures an Industrial Dust Collector for Industry Leader - Key Plastics. Air Dynamics Industrial Systems Corporation 6 min Case Study | Pneumatic Conveying Air Dynamics was approached by Evergreen Community power to complete a pneumatic conveying system for their bio-fuel facility in Reading, PA Air Dynamics Industrial Systems Corporation 4 min Case Study | Air Pollution Control OVERVIEW Air Dynamics Industrial Systems Corporation was approached by Armstrong World Industries to engineer a new hydrodynamic... Air Dynamics Industrial Systems Corporation 3 min Case Study | Chemical Dust Control Air Dynamics Industrial Corporation manufactured an Industrial Dust Collector for fertilizer company Andgrow Fertilizer. MORE ARTICLES LEADERS IN INDUSTRIAL VENTILATION SYSTEMS & SOLUTIONS DESIGN TO ORDER LEARN MORE LEARN MORE MANUFACTURE TO ORDER LEARN MORE LEARN MORE SYSTEMS INTEGRATION LEARN MORE LEARN MORE LEARN MORE

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