Épisodes

  • We've Learned Nothing
    Sep 23 2026

    The podcast episode discusses the Legionnaires' disease outbreaks in New York City, focusing on the challenges of information dissemination, regulatory effectiveness, and risk communication. It highlights the need for scientific rigor, root cause analysis, and improved public health response.

    Takeaways

    • Legionnaires' disease outbreaks pose challenges in information dissemination and regulatory effectiveness.
    • Scientific rigor, root cause analysis, and improved risk communication are essential for addressing Legionnaires' disease outbreaks.

    Chapters

    • 00:00 Legionnaires' Disease Outbreaks in New York City
    • 02:26 Challenges of Information Dissemination
    • 05:01 Regulatory Effectiveness and Root Cause Analysis
    • 26:35 Risk Communication and Public Health Response

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    27 min
  • Legionella Rules Changed
    Jul 27 2026

    The podcast discusses the occurrence of Legionella and Legionnaires disease outbreaks, the new regulations for cooling towers, and the changes in chlorine disinfectant levels. It explores the impact of these factors on public health and the challenges associated with managing and addressing these issues effectively.

    Takeaways

    • Legionella and Legionnaires disease outbreaks
    • Regulations for cooling towers
    • Changes in chlorine disinfectant levels

    Chapters

    • 00:00 Legionella and Legionnaires Disease Outbreaks
    • 01:24 Regulations for Cooling Towers
    • 04:16 Changes in Chlorine Disinfectant Levels
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    16 min
  • Dan Christensen On The State Of Industrial Hygiene
    Apr 10 2024

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    In today's discussion, we're going to unravel occupational exposure standards such as TLVs, OELs, and PELs, and touch upon the challenge of setting safe levels of exposure for both workers and neighboring communities, with real-life examples from industries including nuclear waste treatment and oil and gas.

    We'll take a closer look at the multimillion-dollar efforts made to educate workers on daily risks, the involvement of exposure scientists in legislation, and how this affects industry-specific solutions. Dan will share his insights on the shift from traditional industrial settings towards evaluating community exposure, advancements in industrial hygiene technology, and the potential of AI in exposure assessment.

    Our conversation will also cover the importance of consistent access to expert guidance, learning from past mistakes, and the current state of OSHA and industrial hygiene. Furthermore, we'll discuss the identity crisis OEHS professionals face and the evolving roles of exposure scientists in emergency response, occupational health, and safety assessment roles.

    We'll tap into the challenges of balancing preventive measures with effective risk communication, the importance of documenting safety procedures, and Dan's personal journey from early work experiences to being a leader in the field.

    So stay tuned as we expose the critical and multifaceted role of exposure scientists in fostering a safer and healthier environment, both at work and beyond. And remember, if you have any questions or need expert consultations, please connect with us through our website after the show. Let's begin.

    Contact Dr. Alex LeBeau at Exposure Consulting for exposure litigation support or Exposure Science Consulting.

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    1 h et 10 min
  • Methylmethacrylate Tank Incident in Garden Grove: Risks, Responses, and Exposure Science Insights
    May 27 2026

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    Welcome to The Exposure Scientist Podcast, the show where we demystify the hazards you encounter every day and address your concerns about potential health impacts. In today’s episode, we respond to widespread inquiries following a recent chemical release incident involving methyl methacrylate at a facility near Garden Grove in Orange County, California. With media organizations seeking clarity, we break down what is known about the event, explore the chemistry and hazards of methyl methacrylate, and discuss the real risks—from potential explosions to community exposure and public health responses. Join us as we cut through the confusion, provide science-backed insights, and offer practical context for understanding both the emergency response and the significance of community right-to-know measures.

    Contact Dr. Alex LeBeau at Exposure Consulting for exposure litigation support or Exposure Science Consulting.

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    26 min
  • Legionella Found in Home Infant Formula Device: What Went Wrong
    Jun 19 2026

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    Welcome to The Exposure Scientist Podcast, where we dive into everyday health hazards and the science behind exposure risks. In this episode, we take a closer look at a unique and concerning case: a 10-month-old infant diagnosed with Legionnaires’ disease, believed to be linked to a home device used for mixing powdered infant formula. Drawing on a recent CDC Morbidity and Mortality Weekly Report, we explore what makes this case so unusual, the potential sources of Legionella exposure in the home, and the pressing questions that remain unanswered about device safety, water quality, and proper use. Join us as we unpack the science, the gaps in information, and what this case means for parents, caregivers, and health professionals.

    Contact Dr. Alex LeBeau at Exposure Consulting for exposure litigation support or Exposure Science Consulting.

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    14 min
  • Exploring AI’s Role in Tracking Legionnaires’ Disease and Managing Water System Hazards
    Jul 8 2026

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    Welcome to The Exposure Scientist Podcast. As summer heats up across much of the United States, it’s the season when Legionella bacteria and Legionnaires’ disease once again become pressing concerns. The conversation focused on understanding the resurgence of these risks, the challenges around tracking outbreaks, and why official data often lags behind real-world occurrences. One concept discussed was how artificial intelligence and news aggregation can supplement traditional reporting, offering more timely insights for those managing water systems. A key theme that emerged was the need for proactive, well-informed water management plans—moving beyond simple box-checking to truly mitigate risk. The discussion explored lessons from recent outbreaks, the importance of third-party verification, and encouraged audience engagement from anyone with experience in managing or investigating Legionnaires’ disease events. Join us as we blend scientific context, practical risk management, and emerging technology to shed light on the hidden hazards in summer water systems.

    Contact Dr. Alex LeBeau at Exposure Consulting for exposure litigation support or Exposure Science Consulting.

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    15 min
  • Getting Past Arrogance: Protecting Health When People Refuse to Change
    Aug 17 2025

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    Welcome to The Exposure Scientist Podcast, where every day exposures and their real-world impact take center stage. In today's episode, Dr. Alex LeBeau dives into a pressing challenge faced by industrial hygienists and exposure scientists: how do you break through when stubborn attitudes and workplace arrogance put people's safety on the line? Dr. LeBeau shares personal stories and insights from the field, highlighting the frustrations of working with individuals who resist change and insist on doing things "the way they've always been done"—even when it means putting health and lives at risk. Join the conversation as we explore why some won't take action until a serious incident occurs, and what we can do, as a community, to help shift mindsets before it's too late. If you've ever wondered how exposure science and psychology collide in the real world, you don't want to miss this thought-provoking discussion.

    Contact Dr. Alex LeBeau at Exposure Consulting for exposure litigation support or Exposure Science Consulting.

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    9 min
  • Unmasking Workplace Hazards with David Ayers: From Lead Exposure to Technological Advances
    Jun 3 2024

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    In today's episode, we'll explore David Ayers' journey into the safety field, inspired by a brief relationship that opened his eyes to the importance of workplace safety. We'll dive into the complexities of monitoring workplace hazards like lead exposure, the legal challenges of setting and enforcing exposure levels, and the transformative potential of new sensor technology.

    David shares his insights on the critical role of relationships and trust in promoting safety, the value of historical data, and the importance of understanding and challenging technological capabilities. We'll also discuss the evolving landscape of safety regulations, with a focus on OSHA's role in enhancing workplace health and safety standards, particularly concerning silica exposure.

    Whether you're a seasoned professional or just starting your career in safety, this episode is packed with valuable advice, real-world experiences, and a touch of personal storytelling. So, stay tuned as we uncover the intricacies of workplace safety and the drive to create healthier environments for all.

    Contact Dr. Alex LeBeau at Exposure Consulting for exposure litigation support or Exposure Science Consulting.

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    33 min