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PODCAST

The Exposure Scientist

Dr. Alex LeBeau

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

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All Episodes

15:45

The Growing Challenge of NTMs in Public Water Systems...

The Exposure Scientist ·

2025/12/11

We would love to hear what you think? 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 homes, workplaces, spas, and even healthcare settings. In this ...

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12:31

Microplastics in Food: Separating Facts from Fears on...

The Exposure Scientist ·

2025/12/05

We would love to hear what you think? 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 Authority, Dr. Alex LeBeau unpacks what recent findings really tell ...

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24:54

Residential Hazards Uncovered: What to Ask Before...

The Exposure Scientist ·

2025/10/31

We would love to hear what you think? 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. From UV lights in HVAC systems to water filtration devices, ...

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8:34

Getting Past Arrogance: Protecting Health When People...

The Exposure Scientist ·

2025/08/17

We would love to hear what you think?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

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19:59

Why Nobody Knows What an Industrial Hygienist Does

The Exposure Scientist ·

2025/07/28

We would love to hear what you think?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 expectations shifted with attempts to rebrand the field as

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7:59

Supporting Solo Practitioners: Launching the...

The Exposure Scientist ·

2025/07/10

We would love to hear what you think? 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 sharing educational resources and navigating day-to-day hurdles w...

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21:19

Understanding Consumer Product Safety: Unmasking...

The Exposure Scientist ·

2025/06/24

We would love to hear what you think?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. LeBeau explores why knowing what’s in your products is more important

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16:11

Unpacking the Microplastics Puzzle: Exposure, Health...

The Exposure Scientist ·

2025/06/09

We would love to hear what you think?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 are, where they're turning up in our daily lives—from drinking

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10:06

Why Effective Communication Matters in Consulting and...

The Exposure Scientist ·

2025/05/30

We would love to hear what you think? 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 late requests, last-minute demands, and what it really means...

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16:17

Legionella on the Rise: Protecting Building Water...

The Exposure Scientist ·

2025/05/23

We would love to hear what you think? 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 summer and highlighting the importance of proactive water system manage...

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18:42

Why Every Professional Should Learn to Say No

The Exposure Scientist ·

2025/03/18

We would love to hear what you think? 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 practitioner and leader in the industry. He recounts his transforma...

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14:21

Addressing PFAS in Consumer Products: Challenges in...

The Exposure Scientist ·

2025/02/18

We would love to hear what you think? 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 daily. Although the podcast offers valuable information, Dr. LeBeau emphasize...

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14:27

Common Pitfalls in Product Safety Testing and How To...

The Exposure Scientist ·

2025/01/14

We would love to hear what you think?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 laboratory coordination, and why rushing through safety assessments can lead to c...

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19:47

Disaster Response and Industrial Hygiene

The Exposure Scientist ·

2024/12/17

We would love to hear what you think?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 battery generators to advanced considerations such as ham radios...

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51:54

Tackling Indoor Contamination: Insights from the Experts

The Exposure Scientist ·

2024/12/07

We would love to hear what you think?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 episode, we'll explore the dynamic interplay between industrial hygienists, remed...

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34:48

Ethylene Oxide: How It Affects Our Lives and Health...

The Exposure Scientist ·

2024/09/18

We would love to hear what you think?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 sterilization facilities. From acute neurotoxic effects to chronic cancer risks, we expl...

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74:49

Environmental Fingerprinting

The Exposure Scientist ·

2024/08/30

We would love to hear what you think?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 seasoned biochemist and chief chemist at Ensafe, who has dedicated her career to the environme...

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26:20

Bioaerosol Assessment and Control: ACGIH's Second...

The Exposure Scientist ·

2024/07/08

We would love to hear what you think?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 research, techniques, and regulatory guidelines to help industrial hygienists...

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11:57

Methylene Chloride: Risks, EPA Ban, and Future...

The Exposure Scientist ·

2024/06/30

We would love to hear what you think?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 chloride, which include acute neurological issues and links to several...

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24:27

Proactive Water Quality: GSA's New Directives and...

The Exposure Scientist ·

2024/06/18

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 Legionella control, GSA's efforts set a benchmark for other facilities. We'll also discuss some areas for improveme...

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31 results

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