The Exposure Scientist

The Exposure Scientist

Welcome to The Exposure Scientist, where we dive deep into the world of environmental contaminants and their impact on our health and the planet. Join our host, Dr. Alex LeBeau, a renowned expert in exposure science, as he uncovers the truth behind the chemicals that surround us every day. In each episode, Dr. LeBeau takes us on a fascinating journey through the complex world of pollutants, decoding scientific jargon and revealing the real-life implications. From ubiquitous compounds like PFAS (also known as "forever chemicals") to emerging contaminants and legacy compounds, we explore the latest research, controversies, and regulatory issues. But this isn't your typical scientific podcast. Dr. LeBeau effortlessly blends scientific expertise with storytelling prowess, creating an engaging and captivating experience for listeners of all backgrounds. Prepare to be amazed and enlightened as he demystifies the world of exposure science, breaking down complex concepts into understandable information. Through in-depth interviews with leading scientists, researchers, and industry experts, we unravel the mysteries behind these environmental contaminants. We dig deep into the research, discussing health effects, toxicology studies, environmental impact, and the regulatory landscape. No stone is left unturned. Not only will you gain a deeper understanding of the impact of these contaminants on human health, but you'll also develop a critical eye for separating sensational headlines from evidence-based facts. Dr. LeBeau isn't here to fuel fear, but rather to empower you with knowledge and help you make informed decisions about your well-being and the future of our planet. So whether you're a concerned citizen, a policy-maker, a scientist, or simply curious about the hidden dangers lurking in our air, water, and food, The Exposure Scientist is the podcast for you. Join us as we uncover the truth behind the chemicals that surround us and work together to create a healthier and safer world for future generations. Don't miss out on these thought-provoking and eye-opening conversations. Subscribe to The Exposure Scientist today and discover the fascinating world of environmental contaminants. The truth is out there, and we're on a mission to reveal it. Remember, knowledge is power, and together we can make a difference!

Episodes

December 10, 2025 15 mins

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Welcome to another episode of The Exposure Scientist Podcast! Today, host Dr. Alex LeBeau dives into the world of nontuberculosis mycobacterium (NTMs)—a large and diverse group of waterborne bacteria that pose health risks but are often overlooked. While Legionella gets most of the attention due to its national reportable status, NTMs are emerging as a significant concern for water systems in ho...

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Welcome to The Exposure Scientist podcast, where we dive into the everyday hazards that surround us, separating fact from fear. In this episode, host Dr. Alex LeBeau revisits the ever-evolving topic of microplastics—tiny particles that have sparked growing concern both in research and in the public eye. Drawing on the latest updates, including a major report from the European Food Safety Authori...

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Welcome back to The Exposure Scientist Podcast, where Dr. Alex LeBeau dives into the everyday hazards we encounter in our homes—and how to cut through sales pitches and misinformation to protect your health. In this episode, Dr. LeBeau takes on the growing trend of salespeople pitching air and water safety products to residents of developing communities, especially in booming areas like Florida....

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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 ins...

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Welcome to another episode of The Exposure Scientist Podcast with Dr. Alex LeBeau. Today, we're diving into a topic that's at the heart of the profession: branding and identity in exposure science and industrial hygiene. Dr. LeBeau takes us outside for a candid conversation about the ever-evolving field, exploring questions like, what exactly is industrial hygiene? How have roles and e...

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Welcome to The Exposure Scientist Podcast! In today's episode, host Dr. Alex LeBeau introduces an exciting new initiative—a supportive community just for independent exposure professionals. Drawing from his own experience as an independent scientist and consultant, Dr. LeBeau discusses the unique challenges that solo practitioners face, from finding professional connections and referrals to...

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Welcome to The Exposure Scientist Podcast! In this episode, Dr. Alex LeBeau dives into the growing concerns surrounding consumer product safety. With advancements in technology making it easier than ever to detect even the tiniest traces of chemicals in our everyday products—from baby wipes to watch bands—it’s become a bit of a “wild west” out there for both consumers and manufacturers.

 Dr. LeBe...

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Welcome to another episode of The Exposure Scientist Podcast with your host, Dr. Alex LeBeau. In today's episode, we're diving into a topic that's been making headlines and sparking curiosity—microplastics. With mounting news coverage and a surge of recent research, the conversation around microplastics is more relevant than ever. Dr. LeBeau breaks down what microplastics actually...

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Welcome to another episode of The Exposure Scientist Podcast, hosted by Dr. Alex LeBeau. In today’s unique and candid episode, Dr. LeBeau steps away from traditional exposure science topics to dive deep into the power of communication—especially within the world of consulting and client relations. Drawing from nearly 20 years of professional experience, Dr. LeBeau shares personal anecdotes about...

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Welcome back to The Exposure Scientist Podcast with Dr. Alex LeBeau! In this episode, Dr. LeBeau dives into the timely topic of Legionella and Legionnaires’ disease—a concern that's on the rise as we head into the warmer months. He discusses recent outbreaks in places like cruise ships, courthouses, nursing homes, and hospitals, explaining why Legionella becomes a bigger threat during summe...

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Welcome to Season 2, Episode 3 of The Exposure Scientist Podcast with your host, Dr. Alex LeBeau. In this episode, we're taking a step back from our typical discussions on exposure science and exploring the significance of valuing your self-worth, both personally and professionally. Dr. LeBeau shares his personal journey, from working at various consulting firms to becoming an independent p...

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Dr. Alex LeBeau is an esteemed exposure scientist and the insightful host of the "Exposure Scientist Podcast," where he addresses listeners' concerns about everyday hazards and their potential impacts on health. With a commitment to educating the public, Dr. LeBeau navigates the complex world of environmental exposures, helping audiences understand and manage the risks they face d...

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Today, we're diving deep into the intricate world of product safety assessments. Whether you're a manufacturer, brand ambassador, or just curious about the science behind everyday consumer products, this episode is packed with critical insights. 

We'll explore how vital it is to get exposure scientists involved early in the process, the importance of thorough planning and...

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December 17, 2024 19 mins

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Welcome to another episode of The Exposure Scientist podcast! I’m your host, Dr. Alex LeBeau, and today we’re delving into the critical topic of Disaster Response for Industrial Hygienists. In light of the recent hurricanes in Florida and North Carolina, we’ll explore how industrial hygienists can prepare for and respond to emergency scenarios. From personal preparedness tips like go-bags and ba...

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Welcome to Episode 17 of "The Exposure Scientist" Podcast! I'm your host, Dr. Alex LeBeau, and today we're diving deep into the crucial topic of indoor contamination and the vital role of collaboration in the restoration industry. Joining us is Kayla McGowan, the editor-in-chief of Restoration and Remediation Magazine, bringing over a decade of insights from the field.

In this...

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Welcome to another episode of "The Exposure Scientist" podcast with your host, Dr. Alex LeBeau. In today's installment, we delve into the complex world of ethylene oxide, a chemical widely used in manufacturing and as a sterilant for medical devices and food products. We’ll cover its industrial uses, health risks, regulatory concerns, and the impact on communities near sterilizati...

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August 30, 2024 74 mins

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Welcome to another episode of "The Exposure Scientist," where we dive into the complexities of environmental contaminants and their impact on public health. I'm your host, Dr. Alex LeBeau, and today we’re shedding light on the pervasive issue of PFAS, or per- and polyfluorinated alkyl substances, often dubbed "forever chemicals."

Our guest is Dr. Ioana Petrisor, a seasone...

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Welcome back to The Exposure Scientist podcast! On today's deep dive, your host, Dr. Alex LeBeau, explores the latest updates on bioaerosol assessment with a focus on a groundbreaking new publication from ACGIH — the second edition of the "Bioaerosol Assessment and Control" reference book. First released in 1999, this foundational text has been extensively updated with the latest ...

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Today, we tackle an important topic that's making headlines: the recent EPA decision to ban methylene chloride in consumer products. Known also as dichloromethane, this chemical is commonly found in products like paint removers, solvents, and metal cleaners—items many of us might have in our garages right now.

In this episode, we will delve into the health risks associated with methylene chl...

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In today's episode, we dive deep into the world of proactive water quality management with a spotlight on the commendable initiatives of the U.S. General Services Administration (GSA). We'll explore why adopting a proactive stance on water quality is crucial, highlighting the recent GSA directives aimed at improving water management in federal buildings. From baseline testing to Legion...

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