The Occupational Safety Leadership Podcast

Episode 46 explains the Process Safety Information (PSI) element of OSHA’s Process Safety Management Standard (29 CFR 1910.119). Dr. Ayers emphasizes that PSI is the foundation of the entire PSM program — every other element depends on it being complete, accurate, and up‑to‑date. The core message: If your PSI is wrong, every decision built on it is wrong.   🧭 Purpose of Process Safety Information...

Episode 45 explains the Employee Participation element of OSHA’s Process Safety Management Standard (29 CFR 1910.119). Dr. Ayers emphasizes that PSM is not a “management‑only” system — it succeeds only when frontline employees are actively involved in identifying hazards, improving procedures, and strengthening safeguards. The core message: Employees are not just participants in PSM — they are the...

Episode 44 introduces the chemicals most frequently covered under OSHA’s Process Safety Management (PSM) Standard (29 CFR 1910.119). Dr. Ayers explains why certain chemicals are regulated, what makes them hazardous, and how their properties influence process safety requirements. The core message: PSM chemicals are dangerous because of their potential for catastrophic consequences — fire, explosion...

Episode 43 provides a foundational overview of Process Safety Management (PSM) — what it is, why it exists, and how it protects workers, facilities, and communities from catastrophic chemical incidents. Dr. Ayers sets the stage for the entire PSM series by explaining the purpose, scope, and structure of OSHA’s PSM Standard (29 CFR 1910.119). The core message: PSM is not about compliance — it’s abo...

Episode 42 features Shawn Galloway, CEO of ProAct Safety, one of the most recognized voices in safety culture, leadership, and performance improvement. In this conversation, Dr. Ayers and Galloway explore what separates average safety programs from world‑class ones — and why culture, not compliance, determines long‑term success. The core message: Safety excellence is not the absence of injuries —...

Episode 41 explains what “parts per million” (PPM) actually means, how it’s used in air monitoring, and why understanding PPM is essential for interpreting exposure data, gas detector readings, and regulatory limits. Dr. Ayers breaks the concept down into simple, practical terms that safety leaders can use in the field. The core message: PPM is a ratio — a way to express how much of a substance is...

Episode 40 focuses on the reverse conversion of what was covered in Episode 39. Dr. Ayers explains how to convert PPM (a volume‑based concentration) into mg/m³ (a mass‑per‑volume concentration) for air sampling and exposure assessment. This conversion is essential when comparing monitoring results to OSHA or ACGIH exposure limits, which may be listed in different units depending on the chemical.  ...

In this episode, Dr. Ayers explains how to convert airborne contaminant concentrations measured in mg/m³ into parts per million (PPM)—a calculation safety professionals often need when comparing sampling results to OSHA or ACGIH exposure limits. The episode focuses on understanding the conversion formula, when to use it, and how to automate the calculation for consistent, error‑free reporting.  ...

Episode 38 explores the common pitfalls and negative attributes that undermine the value of safety audits. Dr. Ayers explains that while audits are essential for continuous improvement, they can easily become counterproductive when poorly designed, poorly executed, or misaligned with organizational culture. The core message: A bad audit does more harm than no audit.   🧭 What a Safety Audit Should...

Episode 37 focuses on what makes a high‑quality, high‑value safety audit — the kind that strengthens culture, improves performance, and actually reduces risk. Dr. Ayers emphasizes that when audits are done well, they become one of the most powerful tools for learning and continuous improvement. The core message: A good audit builds trust, reveals risk, and drives meaningful improvement.   ⭐ Posit...

Episode 36 breaks down the six most common mistakes that weaken safety inspections and prevent them from identifying real risk. Dr. Ayers explains how inspections often drift into routine, low‑value activities — and how leaders can refocus them on meaningful hazard recognition. The core message: A safety inspection is only as good as the hazards it actually finds.   ❗ Pitfall 1: Focusing Only on...

Episode 35 breaks down the testing standards, performance differences, and selection criteria for steel‑toe and composite‑toe safety footwear. Dr. Ayers explains that while both types can meet OSHA and ASTM requirements, they behave differently under impact, compression, temperature, and environmental conditions. The core message: Steel toe and composite toe boots both protect workers — but they p...

Episode 34 focuses on one of the most misunderstood and inconsistently applied OSHA requirements: the PPE Hazard Assessment. Dr. Ayers explains that PPE assessments are not about “handing out gear” — they are a formal, documented process for identifying hazards and determining whether PPE is needed, what type is required, and how it must be used. The core message: PPE is the last line of defense —...

Episode 33 breaks down the testing standards that govern hard hats in the United States, focusing on the ANSI/ISEA Z89.1 standard. Dr. Ayers explains that while most organizations know hard hats are required PPE, far fewer understand how they are tested, what the classifications mean, or how to select the right hard hat for the hazards present. The core message: Hard hats are engineered safety dev...

Episode 32 tackles a surprisingly misunderstood topic: Do hard hats expire? Dr. Ayers explains that while hard hats don’t have a single universal “expiration date,” they absolutely degrade over time due to UV exposure, chemicals, temperature extremes, and normal wear. The episode clarifies what OSHA requires, what manufacturers recommend, and how safety leaders should manage hard hat replacement....

Episode 31 examines the safety hazards associated with PLA (Polylactic Acid) — one of the most common and widely used 3D printing materials. Dr. Ayers emphasizes that while PLA is safer than ABS and often marketed as “non‑toxic,” it still presents real chemical, thermal, and air‑quality hazards that organizations must understand and control. The core message: PLA is lower‑hazard, not no‑hazard — a...

Episode 30 takes a deeper dive into one of the highest‑risk materials used in 3D printing: ABS (Acrylonitrile Butadiene Styrene). Dr. Ayers explains that while ABS is popular for its strength and durability, it introduces significant chemical, thermal, and air‑quality hazards that many organizations underestimate. The core message: ABS is not a harmless hobby material — it releases hazardous chemi...

Episode 29 explores the emerging and often misunderstood hazards associated with 3D printing. As this technology becomes more common in manufacturing, maintenance shops, labs, and even offices, Dr. Ayers emphasizes that many organizations underestimate the risks because 3D printers look harmless and are often marketed as “plug‑and‑play.” The core message: 3D printing introduces real chemical, phys...

Episode 28 wraps up the Training Needs Assessment series by focusing on how to turn the assessment into a complete, functioning training system. Dr. Ayers explains that once you’ve identified tasks, hazards, regulatory requirements, and training gaps (Parts 1 and 2), the final step is to build, deliver, and maintain a training program that ensures employees are competent, confident, and protected....

Episode 27 builds on Part 1 by moving from information gathering to analysis and prioritization. Dr. Ayers explains that once you’ve identified job roles, tasks, hazards, and regulatory requirements, the next step is to determine what training is actually needed, how deep the training must go, and who needs it most urgently. The core message: A strong needs assessment doesn’t just list training to...

Episode 26 kicks off a three‑part series on one of the most foundational — yet often overlooked — components of an effective safety training program: the Safety Training Needs Assessment. Dr. Ayers explains that many organizations jump straight into creating or delivering training without first determining what training is actually needed, for whom, and why. The core message: A training needs asse...

Episode 25 focuses on one of the most powerful tools for organizing and sustaining a strong safety training program: the Safety Training Matrix. Dr. Ayers explains that many organizations struggle with training because they rely on memory, scattered spreadsheets, or inconsistent practices. A well‑designed training matrix eliminates confusion by clearly defining who needs what training, when they n...

Episode 24 breaks down the purpose, process, and leadership expectations behind safety inspections. Dr. Ayers explains that inspections are not about “finding fault” or “checking boxes” — they are a proactive hazard‑identification tool that strengthens systems, prevents incidents, and builds trust when done correctly. The core message: Safety inspections should focus on finding hazards, not findin...

Episode 23 focuses on the fourth core element of OSHA’s Voluntary Protection Program (VPP): Safety and Health Training. Dr. Ayers explains that VPP‑level training goes far beyond compliance. It requires a structured, effective, and employee‑centered training system that ensures every worker understands hazards, controls, and their role in maintaining a safe workplace. The core message: VPP sites d...

Episode 22 continues the deep dive into the Hazard Prevention and Control element of OSHA’s Voluntary Protection Program (VPP). In Part 2, Dr. Ayers expands on what VPP evaluators look for and how organizations can demonstrate that their hazard‑control systems are effective, sustainable, and employee‑driven. The core message: VPP-level hazard control isn’t about having controls — it’s about provin...