Scaling UP! H2O

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Scaling UP! H2O Podcast

The podcast where we scale up on knowledge so we don't scale up our systems. Find out why working in Industrial Water Treatment is the best job in the world. Hear industry experts share their knowledge and stories. Learn about technologies, methods, and career journeys. Join podcast host Trace Blackmore, former AWT President, LEED, and CWT every Friday for a new episode.

  1. Leading with Safety: How Veolia Embeds Health into Global Culture

    6 DAYS AGO

    Leading with Safety: How Veolia Embeds Health into Global Culture

    How Veolia Prioritizes Health and Safety Worldwide? At Veolia, safety isn't just a requirement—it’s embedded in the company’s core values. Leading the charge is Arnaud Valleteau de Moulliac, Chief Executive Officer of Veolia Water Technologies. In this week's episode, Arnaud speaks with Scaling UP! H2O host Trace Blackmore about how safety initiatives are reshaping Veolia's culture around the world. Arnaud emphasizes that health and safety are non-negotiable: "It's a 24/7 commitment." This episode takes you inside Veolia’s global approach, showing how the company’s 8,000+ employees have integrated safety into their daily routines. What Drives Veolia's Health and Safety Initiatives? For Arnaud, safety comes from a personal place: “As a father of four, ensuring everyone gets home safely is paramount.” This family-first approach reflects Veolia’s deep commitment to safety, which has been an ongoing focus for over a decade. “Ten years ago, we launched International Health and Safety Week, where every subsidiary worldwide participates in focused discussions and actions on safety.” This annual event creates a space for employees to assess their work environments, recognize potential risks, and form long-lasting safety habits. But at Veolia, safety isn’t just about one week—it's about creating a culture that endures year-round. Fostering a Culture of Safety Every Day While International Health and Safety Week serves as a focal point, Veolia’s goal is to make safety a daily priority. “We need to ensure that health and safety are part of our everyday routines, not just something we think about once a year,” Arnaud notes. To keep safety top of mind, managers at Veolia conduct at least six field visits each year, evaluating safety practices and identifying areas for improvement. Employees are encouraged to report near-misses and incidents, creating a culture were speaking up about safety is valued. “It’s about creating an environment where people feel safe to voice concerns without fear of judgment,” Arnaud says. “Building trust is essential.” A Cultural Shift: Breaking Old Safety Norms One of Veolia’s biggest achievements over the last decade has been a shift in how employees view safety. Arnaud recalls a time when raising safety concerns was often seen as a sign of weakness. Today, those conversations are welcomed and encouraged. “There used to be this mentality of being a 'superman'—toughing it out in unsafe conditions. That’s behind us now, but we always stay cautious. The human element means we can never stop paying attention to safety,” Arnaud warns. This shift has been a significant victory for Veolia, but the work isn’t finished. The company remains vigilant, continually adapting its safety approach to address both evolving risks and human factors. Celebrating 10 Years of Health and Safety Transformation As Veolia marks the 10th anniversary of International Health and Safety Week, Arnaud reflects on the company’s progress. One key success has been the reduction in workplace accidents and the increasing willingness of employees to report safety risks. “Ten years ago, speaking up about safety could be seen as a weakness,” Arnaud explains. “Today, it’s a sign of strength and responsibility.” This cultural change has transformed how employees view safety—not as a policy, but as a core value that protects their colleagues and ensures everyone returns home safely. Starting a Safety Culture: Insights for Small Teams For small businesses, building a safety culture might seem overwhelming. However, as Arnaud explains, it’s not about financial investment—it’s about leadership and intention. “Safety starts at the top. Being an exemplary leader doesn’t cost anything. It’s about creating policies and following through. Take time to sit with your team and ask, ‘What are the risks?’ It’s an investment in people, not just resources. Any c

    44 min
  2. The Importance of Segregating Wastewater Streams in Heavy Metals Removal Applications

    13 SEPT

    The Importance of Segregating Wastewater Streams in Heavy Metals Removal Applications

    "There's no doubt that heavy metal waste streams come with a significant amount of occupational risks." In this powerful episode of Scaling UP! H2O, Trace Blackmore engages with Chandler Mancuso from MacDermid Envio Solutions to share insights on this vital topic of segregating wastewater streams in heavy metals removal applications. Chandler shares his extensive expertise on the often-overlooked aspects of wastewater management, providing valuable insights into safety, strategic planning, and the power of experimentation. Why is Segregating Wastewater Streams Crucial? Wastewater management is more than just treating what goes down the drain. It's about understanding where your wastewater comes from and managing it effectively from the start. Chandler explains that his motivation for focusing on this area stems from two key factors: safety and technical insight. Heavy metal waste streams can pose significant risks, making safe handling and treatment a top priority. Chandler emphasizes the need for water professionals to fully understand the sources and composition of wastewater streams before diving into treatment processes. This strategic approach not only enhances safety but also leads to more efficient and effective solutions. For Those New to the Industry: What is a Wastewater Stream? A wastewater stream encompasses all the different sources of wastewater generated during various industrial processes before they reach the treatment stage. Chandler shifts the conversation from the treatment process itself to the strategy of managing these diverse streams upstream. By focusing on this early stage, water professionals can address challenges before they escalate, ensuring more efficient and effective treatment outcomes. Understanding the Role of Heavy Metals in Wastewater Heavy metal waste streams, which often originate from industries such as electroplating, metal finishing, and mining, can contain hazardous metals like zinc, nickel, copper, and chrome, along with other dangerous constituents like cyanide and fluoride. Properly categorizing and treating these complex streams is crucial for maintaining safety and effectiveness in wastewater treatment. How to Ensure Health and Safety of People and Equipment Safety is paramount when dealing with heavy metal waste streams. Chandler advises segregating incompatible waste streams to prevent dangerous reactions, such as the formation of hydrogen cyanide when cyanide-containing streams are mixed with acidic streams. By avoiding these hazardous combinations, water professionals can significantly reduce safety risks and protect both people and equipment. Real-World Examples and Common Pitfalls Chandler shares real-world scenarios, such as the critical need to keep cyanide-containing waste streams away from acidic conditions to prevent the formation of toxic hydrogen cyanide. Despite being well-known, these safety measures are sometimes overlooked, highlighting the importance of vigilance and thorough system design in wastewater management. Best Practices for Wastewater Management Never take safety for granted. Chandler encourages listeners to continuously question the conditions they are working with and to always prioritize health and safety. By remaining aware of potential hazards and continuously optimizing processes, water treaters can ensure safe and effective wastewater management. Enhancing Efficiency and Effectiveness Through Stream Segregation Segregation of wastewater streams is key to optimizing treatment processes. Chandler discusses how his team at MacDermid Envio Solutions has developed specific protocols for managing challenging waste streams separately, improving operational efficiency and optimizing chemical usage. This not only leads to cost savings but also enhances overall treatment effectiveness. Experimentation: The Key to Success Chandler highlights the importance of creative problem solving in wastewater treatment. A thorough understanding o

    54 min
  3. The WOW Effect: Women Leading Transformation in the Water Industry

    6 SEPT

    The WOW Effect: Women Leading Transformation in the Water Industry

    Meet the Women Behind the WOW Committee This episode features insights from six trailblazing women who are not only leaders in their respective fields but also passionate advocates for the WOW mission: Stephanie Choury, Enterprise Account Manager at Buckman Digital Water Tammy Faber Sales Director of HOH Water Technology and Co-Chair of WOW (Women of Water) Paule Genest, Director of Sales and ESG, Water and Energy at TGWT Clean Technologies, Host of the Paule-Cast and Co-Chair of WOW (Women of Water) Michelle Lunn, Marketing Director of GLA Water Consultants & Director on the AWT Board Janice Shawl, President of AMSA, Inc. a specialty chemical manufacturing company Pam Simmons, National OEM Sales Manager, Watson Marlow What is Women of Water? WOW exists to welcome, highlight, and celebrate the contributions of women in AWT. Paule Genest articulates the mission clearly: “To encourage all the women working and thriving within the industry of water technologies to come forward and contribute their time and talents to the greater good.” WOW focuses on creating a thriving community where women can belong, elevate, and positively impact AWT. Mission of the WOW Committee The mission of the WOW Committee is clear: to promote the professional development and advancement of women in the water treatment industry. By providing education, networking opportunities, and a strong support system, the committee aims to foster a diverse and inclusive environment where all members can succeed. This mission not only benefits women but also strengthens the industry as a whole by encouraging fresh perspectives and innovative approaches. Facing Challenges Head-On In every industry, women encounter unique challenges, and the water treatment sector is no exception. Pam Simmons, a dedicated member of the Women of Water (WOW) committee, sheds light on the obstacles women face and how the committee is striving to address them. Pam begins by acknowledging a reality that many women are all too familiar with the gender pay gap. According to the International Labor Organization, women globally earn about 20% less than men. This disparity is not just a number; it’s a barrier that women must navigate throughout their careers. But the pay gap is only one piece of a much larger puzzle. There is also the issue of unequal opportunities, particularly in leadership. A 2022 report from Deloitte on women in the boardroom highlights that only 19% of boardroom positions are held by women. This underrepresentation speaks volumes about the challenges women face in advancing to leadership roles. For many women, the journey to the top is not just about breaking the glass ceiling; it’s about finding the ladder to reach it in the first place. Career gaps present another significant hurdle. Whether its time taken off to have a baby or care for a family member, these interruptions can create substantial obstacles when women return to the workforce. Pam points out that these gaps can make it difficult for women to regain their footing and continue progressing in their careers. The struggle doesn’t stop there. Navigating work-life balance is another challenge that resonates with everyone, regardless of gender, but it affects women in distinct ways. Pam reflects on how this delicate balance—or lack thereof—can leave a lasting impact on both personal and professional lives.  The WOW committee is not just identifying these challenges—they are actively working to address them. Pam shares that WOW is committed to introducing resources and strategies to help women cope with these challenges. Through support, education, and community, WOW aims to empower women in the water treatment industry to not just survive but thrive. How is WOW Helping Women in the Water Industry? The WOW Committee is already making a significant impact. There are now three women on AWT’s Board of Directors, the most ever in the organization’s history. Stephanie Choury has se

    1h 10m
  4. Into the Unknown: The Link Between Biofilm and Legionella Guest Name: Loraine Huchler

    30 AUG

    Into the Unknown: The Link Between Biofilm and Legionella Guest Name: Loraine Huchler

    Welcome back, Scaling UP! Nation. Have you ever wondered about the hidden dangers of biofilm lurking in your water systems? In our latest Legionella Awareness Month episode, we deep dive into the world of biofilm and its critical link to Legionella with our returning expert, Loraine Huchler, President of MarTech Systems. Packed with invaluable insights and practical advice, this episode is a must-listen for anyone in the water treatment industry. Don’t miss it! Ever Wondered How Biofilm and Legionella are Connected? "If you have no biofilm, your risk of Legionella is very low." - Loraine Huchler Loraine Huchler provides an insightful explanation of the complex relationship between biofilm and Legionella interacting within cooling water systems. Life Cycle of Legionella: "Legionella is an aerobic bacteria, while the bacteria inside the biofilm might be anaerobic—they don't need oxygen to thrive. Some can even switch between oxygen-loving and anaerobic states. Legionella matures and seeks a higher life form to reproduce, essentially acting as a parasite within the biofilm." Reproduction and Spread: "In cooling water systems, especially comfort cooling systems that operate seasonally, Legionella can reproduce within the biofilm even when systems are idle. The biofilm's thickness increases due to the abundance of bacteria. When the system restarts, the force of the water shears off the top layer of the biofilm, dispersing bacteria throughout the entire chiller system." Challenges in Bacteria Control: Loraine emphasizes, "This scenario illustrates why it's so difficult to control bacteria in cooling water systems. The constant cycle of biofilm formation and disruption means bacteria, including Legionella, are continuously spread and difficult to manage." Implications for Industrial Water Professionals: Understanding this complex relationship is crucial for implementing effective water treatment strategies. Regular monitoring and proactive management of biofilm are essential to mitigate the risks associated with Legionella and maintain system efficiency. How Do You Measure the Amount of Biofilm, and How Does This Measuring Technology Work? "Adding a biofilm sensor will give real-time early detection of biofilm and make precision dosing a reality for biocides which can kill Legionella." - Loraine Huchler Exploring Biofilm Measurement Technologies: Loraine Huchler delves into the intricacies of measuring biofilm, highlighting two key technologies: Electrochemical and Ultrasonic. Ultrasonic Technology: "The ultrasonic technology is novel and proprietary. Currently, only one water treatment company has developed it, and access to this online sensor is limited to their customers. This technology is the only sensor that measures biofilm in an online system. It includes a test chamber with a heated surface and a precisely controlled water flow that matches your most vulnerable heat exchanger. Using ultrasonic technology, it determines the biofilm thickness." Applications and Considerations: Loraine poses an intriguing question: "If you know the biofilm thickness, you could calculate the heat transfer loss in your heat exchangers, potential production loss in a process plant, or increased electrical demand in a chiller plant. However, managing biofilm effectively only requires knowing its presence so you can react. The ultrasonic technology, while sophisticated, is more complicated, expensive, and challenging to use compared to electrochemical sensors." Electrochemical Sensors: "The electrochemical sensors don't require a test chamber, allowing them to be placed in various locations to monitor biofilm. For example, you might choose a sump, a quiet area where the biofilm may not be mobile and may not respond to water treatment dosing." Mechanism and Sensitivity: Loraine explains the mechanism behind biofilm formation: "Quorum sensing is the process where bacteria hover above a surface and assess it before set

    46 min
  5. Tackling Legionella: Balancing Safety, Sustainability, and Disinfection

    23 AUG

    Tackling Legionella: Balancing Safety, Sustainability, and Disinfection

    “It is a team effort to protect public health from Legionella.” - Alberto Comazzi, Ph.D. We are excited to welcome back Alberto Comazzi, Ph.D. of Sanipur US, for his third appearance on the Scaling UP! H2O Podcast. As an expert in waterborne pathogens, Alberto shares his invaluable insights and experiences about Legionella to help our audience stay informed and proactive in managing water systems. In this episode, we cover a wide range of topics from handling positive Legionella tests to the effectiveness of monochloramine in disinfection. Let's dive into the key points of our discussion. How do you handle a call from a client panicking about their first positive Legionella test? Alberto advises us to stay calm and follow the pre-established plan outlined in the Water Management Plan (WMP). First, review the WMP to understand the specific steps to take for this scenario. Consider the positivity rates and the location where Legionella was found. By following the agreed-upon plan, you can address the client's concerns effectively and ensure proper action is taken.  Why have we seen Legionella increase by nearly ten times over the past few years? “5-6 years ago there wasn’t much information about Legionella, and today so many people are interested in this field which protects public health.” - Alberto Comazzi, PhD Dr. Comazzi highlights two key factors behind the significant rise in Legionella cases: 1. Enhanced Water Testing and Awareness: The past few years have seen a substantial increase in both awareness and testing for Legionella. Healthcare professionals are now more informed about the risks of Legionella and are conducting more tests. Since 2017, the requirement for Water Management Plans (WMPs) in healthcare facilities has led to more comprehensive water testing, contributing to the rise in detected cases. 2. Increased Water Age in Buildings: Efforts to conserve water, which have important environmental benefits such as saving energy and reducing costs, have inadvertently led to higher water age in building systems. When water remains in systems for longer periods, it can lead to reduced disinfectant levels and higher water temperatures—conditions that promote Legionella growth. While water conservation is crucial, balancing it with effective Legionella control measures is essential for maintaining public health. By understanding these factors, we can better address and mitigate Legionella risks, ensuring a safer environment for everyone. What advice do you have for those putting together a WMP but who doesn’t have the ASSE 1280 Certification? Get Certified or Seek Expert Help: Creating a comprehensive Water Management Plan (WMP) can be complex. While obtaining ASSE 1280 certification is highly recommended, you can also consider hiring a consultant to help you draft your plan. However, it’s crucial to ensure that you execute and document the plan effectively. Proper training for facility operators on temperature control, flushing procedures, disinfectant management, and documentation is essential. “A Water Management Plan that’s just sitting on the shelf isn’t doing anyone any good. If no one implements the plan, it is useless.” Dr. Alberto Comazzi emphasizes, “Proactive measures are better and more cost-effective than reactive ones.” With upcoming due diligence plans addressing various waterborne pathogens, being prepared is key. Who has responsibility when it comes to municipal water? Alberto reminds us that there is a division between the municipality and the building. Municipal Water Responsibility: Municipal water suppliers are responsible for providing water that meets regulatory standards up to the distribution system. They conduct primary disinfection to inactivate most microorganisms and secondary disinfection to maintain a residual disinfectant. However, there are no enforceable limits for Legionella in the municipal water supply, and testing for Legionella

    1h 4m
  6. Future of Legionella Monitoring: Strategies for Employing qPCR in a WMP

    16 AUG

    Future of Legionella Monitoring: Strategies for Employing qPCR in a WMP

    "To find the most sensitive, accurate, reproducible, and reliable method for detecting and quantifying Legionella in a sample, qPCR is the best option.” - Michael Loewenstein In this much-anticipated episode highlighting the findings of Part 2 of Michael Loewenstein and Joe Benzinger’s study,  Michael Loewenstein, Vice President of Scientific Consulting at Q Laboratories, returns to share their surprising discoveries. He offers valuable advice to water professionals on developing strategies for incorporating qPCR in a Water Management Plan (WMP). Join Trace Blackmore and Michael Loewenstein as they guide you through the latest advancements in Legionella detection methods, the nuances of traditional culture techniques versus modern qPCR, and the future of water management. What Are the Different Testing Methods for Legionella? Michael elaborates on the two primary methods for Legionella testing: traditional culture techniques (ISO 11731) and qPCR. Culture methods, while widely used, take a significant amount of time (7 to 14+ days) to yield results. In contrast, qPCR offers faster and more sensitive detection, identifying the presence and quantity of Legionella DNA in a matter of hours. Is There a “Gold Standard” for Legionella Testing? The term "Gold Standard" often pops up in discussions about Legionella testing, but as Michael points out, no regulatory body has officially designated a single best method. While ISO 11731 is a trusted standard, Michael argues that qPCR provides a more reliable, accurate, and sensitive approach for detecting and quantifying Legionella in samples. What Were the Findings from Phase 2 of His Study? Michael shares findings from a two-phase study comparing cultural methods with PCR and qPCR. Phase 1 focused on method validation, confirming the efficacy of commercially available PCR methods. Phase 2 moved to real-world samples, revealing that qPCR detected Legionella in about 67% of samples, far surpassing the detection rates of traditional culture methods. What Can qPCR Do and How Does It Differ from Culture Methods? qPCR is a powerful tool in Legionella testing. Unlike culture methods that rely on colony-forming units, qPCR measures the number of DNA copies present in a sample, providing a clear picture of the Legionella population. It can also distinguish between viable and non-viable cells, making it a comprehensive and efficient method for routine monitoring. How Would Michael Set Up His Water Management Plan (WMP)? When asked how he would set up his water management plan, Michael emphasizes the importance of frequent testing. He advocates for the use of qPCR due to its speed and sensitivity. However, he cautions that those uncomfortable with detecting any Legionella might find qPCR overwhelming, as it tends to reveal a higher positivity rate than traditional methods. How Does Pricing Compare Between Culture and qPCR Methods?Interestingly, Q Laboratories charges the same for both qPCR and culture methods. Despite higher costs for qPCR, it requires significantly less analyst time, making it a cost-effective choice for many labs. What's Next for Phase 3 of the Study? The next phase of Michael's study aims to explore additional factors such as UV light treatment. He encourages feedback from the community to ensure all relevant aspects are covered in the ongoing research. How Can I Get Involved with the AOAC Legionella Working Group? Please visit www.aoac.org/news/legionella-in-water-wg-volunteers-needed . If you would like to support this initiative or are interested in more information, please reach out to scienceprograms@aoac.org. Michael's key message is that qPCR is a viable, non-intimidating option for Legionella testing. He reassures listeners that the CDC does not mandate the use of culture methods exclusively. Embracing qPCR can lead to more accurate monitoring and better-informed water management decisions. Until next Friday’s episode, stay curious, stay inf

    56 min
  7. Are Legionella Cases Truly on the Rise? Insights on Legionella Trends and Prevention

    9 AUG

    Are Legionella Cases Truly on the Rise? Insights on Legionella Trends and Prevention

    We have the privilege of welcoming back Janet E. Stout, Ph.D., President of Special Pathogens Technology and the founder of Special Pathogens Laboratory, A Pace Laboratory. Dr. Stout has academic affiliations with the School of Public Health and Swanson School of Engineering at the University of Pittsburgh. A self-described "Legionellologist", Dr. Stout's more than 30 years of research has defined the epidemiology, microbiology and prevention approaches for controlling Legionella growth in building water systems. In our most recent interview, Dr. Janet Stout shared what was new with Legionella standards, what state health departments are doing to combat Legionella, and she answers your burning question of “Are Legionella cases truly on the rise” with data and statistics. This is a Legionella episode you cannot afford to miss, so let’s scale up our Legionella knowledge with Dr. Stout. Also, don’t forget to check out our free Legionella Resources page where we have listed all of the articles, standards, and tools mentioned in this interview. What Is New with Legionella Standards? How Does It Impact the Water Treatment Industry? Dr. Stout highlights several key updates: Association for the Advancement of Medical Instrumentation (AAMI) TIR34:2023 Published in Fall 2023, TIR34 focuses on water quality for reprocessing medical devices. Dr. Stout emphasizes, "The problem is infection. The solution is the quality of the water." "There are clear chemical and microbial parameters, and these healthcare facilities need your assistance, water professionals," Dr. Stout encourages. ANSI/AAMI ST108:2023 This new standard, “Water for the processing of medical devices,” emphasizes the critical role of monitoring water quality to prevent microbial proliferation. ST108 is a significant step forward for patient safety. “I see so many positive indications of progress and prevention, and that’s good for everyone,” shares Dr. Stout. General Services Administration (GSA) Order PBS 1000.7A Effective in 2024, this order mandates comprehensive water testing across federal buildings to ensure health and safety. It includes stringent testing protocols for contaminants like Legionella. Compliance requires professionals to hold certifications such as ASSE 12080 or be certified industrial hygienists (CIH). Dr. Stout remarks, "It's such a big deal that you have to be ASSE 12080 certified to service government buildings now, I’m really impressed by GSA." American Water Works Association (AWWA) Guidance Set to be updated in 2024 or 2025, the new standard will replace AWWA C651-C652 and will likely be titled “Disinfecting Potable Water.” This new guidance will provide updated protocols for disinfecting water-storage facilities, so be on the lookout for this new one. ANSI/ASHRAE Standard 514:2023 This standard focuses on risk management for building water systems, covering physical, chemical, and microbial hazards. It provides comprehensive guidelines for designing, building, maintaining, and operating water systems to protect building occupants. Challenge to the Listener: Educate Yourself: Familiarize yourself with the latest standards, including TIR34, ST108, GSA Order PBS 1000.7A, and ANSI/ASHRAE Standard 514. Engage with Clients: Reach out to healthcare facilities and federal buildings to offer your expertise in water management and help them navigate the new requirements. Stay Informed: Keep an eye on updates from organizations like AAMI, ASHRAE, GSA, and AWWA to stay ahead of industry changes. What's Going on in Ohio? Will Other States Follow Ohio? Ohio's Proactive Approach Dr. Janet Stout praises Ohio's innovative approach to managing Legionella risks. Unlike most areas where Legionella water management is voluntary, Ohio has taken a significant step by mandating it through hospital licensure codes. This mandate requires hospitals to have a water management plan and to test for Legionella, making compliance

    1h 18m
  8. Legionella Awareness: Your Questions Answered by Trace Blackmore

    2 AUG

    Legionella Awareness: Your Questions Answered by Trace Blackmore

    Hello Scaling UP! Nation, August is Legionella Awareness Month, and we're excited to bring you in-depth insights on this crucial topic. Usually, we bring you four episodes every August, but this year, you're in luck! With five Fridays this month, we have five episodes packed with valuable information for you. Today, podcast host Trace Blackmore, CWT, is here to answer your pressing questions about Legionella. As industrial water treaters, you are the heroes in the fight against Legionella, protecting your communities and clients against this dangerous bacteria. Scaling up your Legionella knowledge is a great way to celebrate Legionella Awareness Month, and to support you, we've created a free Legionella resources page at www.ScalingUpH2o.com/Legionella Understanding Legionella: Common Questions Answered What is the difference between Legionella and Legionnaires’ disease? Legionella is a bacteria responsible for Legionnaires’ disease, a type of pneumonia that comes from getting ill after being exposed to Legionella. It thrives in water and poses significant health risks. Legionnaires’ disease was discovered in the mid 1970’s after several attendees of the American Legion convention got sick after attending the convention. How does a person get Legionnaires’ disease? Inhaling water contaminated with Legionella bacteria can lead to infection. What are the symptoms of Pontiac Fever or Legionnaires’ disease? Early symptoms mimic the flu, but more severe pneumonia-like symptoms can develop. Look out for high fever, cough, difficulty breathing, chills, and diarrhea.  How common is Legionnaires’ disease? Per the CDC, in 2015 there were approximately 6,000 cases reported in the United States. Who is at higher risk for developing Legionnaires’ disease? While most people have resistance, fewer than 5 in 100 exposed individuals may develop the disease. High-risk groups include older adults, smokers, and those with weakened immune systems. How does Legionella enter buildings? Legionella enters through a building’s makeup water. This is why we need to test the water coming into a building’s system and also set up a program to test within the system so we know what to do and respond appropriately if a test comes back positive for Legionella bacteria. What promotes Legionella growth? Biofilm, temperature fluctuations, inadequate disinfectant levels, and water stagnation within building water systems can promote Legionella growth What are Water Management Programs (WMPs)? WMPs are designed to identify hazardous conditions and minimize the growth and spread of waterborne pathogens, including Legionella, in building water systems. How Should I Discuss Legionella Testing Frequency with a Client Who Only Wants to Test Once a Year? When discussing Legionella testing with a client who only wants to test once a year, emphasize the importance of more frequent testing for safety and compliance. Here’s how to approach the conversation: Encourage Regular Testing: I always encourage people to test for Legionella at least every season or quarter. Regular testing helps identify potential issues early, ensuring the safety of your water system. Refer to the Water Management Plan (WMP): It's crucial to refer back to your Water Management Plan (WMP) to understand the necessary steps if a test comes back positive for Legionella bacteria. Develop a Comprehensive Plan: Let's come up with a plan outlining what we are going to test, how often we will test, and how we will use the data. We should also decide how to handle positive results, particularly for different Legionella species. Taking some time to plan upfront will streamline the process when collecting water samples. By emphasizing the benefits of regular testing and a proactive approach, you can help clients understand the importance of more frequent Legionella testing and the value of a detailed WMP. Where can I find more information? On our Scalin

    34 min

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The podcast where we scale up on knowledge so we don't scale up our systems. Find out why working in Industrial Water Treatment is the best job in the world. Hear industry experts share their knowledge and stories. Learn about technologies, methods, and career journeys. Join podcast host Trace Blackmore, former AWT President, LEED, and CWT every Friday for a new episode.

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