Author · 60 articles
Shehzad Zafar writes about occupational hygiene and exposure control. His coverage includes dust, noise, welding fumes, ventilation, respiratory protection and heat stress, focusing on how workplace exposures are identified, assessed and controlled.
TL;DR — the numbers that anchor every decision: ≤25 Ω — the NEC value for a single made electrode, and the most misread figure in the field. It is not a universal system target (NFPA 70, 2023 edition, US). 1–5…
TL;DR Treat the risk assessment as a living document, not a licensing formality. It must be reviewed every time the build, weather, or crowd profile changes — not filed after sign-off. The legal duty stays with the organiser. A Safety…
TL;DR — The Numbers That Define Infection Control About 1 in 31 US hospital patients carries at least one healthcare-associated infection on any given day (CDC NHSN, 2026) — the standing reason infection control exists. Hand hygiene can prevent up…
TL;DR If your load includes any Table 1 material (US) → placard at any quantity, no threshold exception — explosives, poison-by-inhalation, and certain radioactive materials trigger immediate placarding under 49 CFR 172.504. If you're shipping mixed Table 2 materials under…
TL;DR Management-focused credential: The CSHM (Certified Safety and Health Manager) is issued by IHMM and specifically validates EHS management and business leadership competence — not just technical safety knowledge. Eligibility requires both education and experience: You need at minimum a…
I once approved a steel erection contractor because their paperwork was flawless. They had ISO 45001 certification, a pristine TRIR of 0.0, and a 200-page safety manual that looked like it was written by a legal scholar. Three weeks into…
I recall a heavy maintenance shutdown at a petrochemical complex where the crew had been working 12-hour shifts for two weeks straight. Fatigue was setting in, and complacency regarding hot work permits was becoming a tangible risk. We plastered the…
The modern industrial landscape is defined by a complex interplay of ethical obligations, regulatory frameworks, and economic pressures. Within this dynamic environment, the management of Occupational Health and Safety (OHS) has evolved from a peripheral compliance activity into a central…
Risk assessments are the cornerstone of any organization's effective health, safety, and compliance strategies. Risk assessments enable informed decision-making by identifying potential hazards, evaluating the likelihood of harm, and determining the severity of their impact. This, in turn, empowers teams…
Spill containment is a critical aspect of industrial safety, environmental protection, and regulatory compliance across all sectors—from oil and chemical manufacturing to food and beverage processing. Effective containment systems prevent leaks and spills from spreading, safeguarding workers, facilities, and the…
In every workplace — especially in industries like construction, manufacturing, or maintenance — safety isn’t just a policy; it’s a daily responsibility. Yet, even with the best safety manuals, equipment, and procedures, accidents can still happen if awareness fades or…
Creating a safe workplace isn’t just about following rules—it’s about building a culture where safety is second nature. To do that, you must first recognize the risks. Hazards come in many forms: physical, chemical, ergonomic, or psychological. But how do…
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