PPE can have effects on employees who work in heat.

Environmental factors (e.g., humidity, wind, temperature, radiant heat, clothing, and workload i.e., metabolic rate) are considered when determining if a heat risk is present indoors or outdoors. There is little doubt that heat stress affects many workers adversely and the additional heat load from protective clothing adds to the risk. The ACGIH Threshold Limit Value TLVs and the National Institute for Occupational Safety and Health (NIOSH) Criteria Document Recommended Exposure Levels (RELs) for heat stress are two guiding documents to evaluate heat stress. Adjustment factors have been evaluated to reflect the change in heat stress imposed by different clothing ensembles. While some Clothing Adjustment Factors (CAFs) were calculated with limited experimental data and some professional judgment, heat balance methods in the laboratory have yielded better estimates for a wider selection of clothing ensembles. These experiments provide the starting point to evaluate work clothing and personal protective clothing in heat balance evaluations based on sweat and heart rate, blood pressure and skin temperature. Proposed CAFs in the ACGIH TLVs and NIOSH REL provide a framework to rethink a corrected Wet Bulb Globe Thermometer (WBGT) measurement based on the work activity, environment, human physiology, frequency and duration of the exposure.

Anyone who has worked in industry indoors while wearing personal protective clothing knows about the additional heat load during the summertime or working outdoors in a hot indoor environment. The National Institute for Occupational Safety and Health (NIOSH) and other researchers looked at the increased risk of heat stress while wearing different types of personal protective equipment (PPE). Wearing PPE can often increase the risk for heat-related illnesses by increasing blood pressure and core body temperature (i.e., internal temperature) more quickly than wearing other types of loose fitting PPE in the same work environment. Some information is discussed in the American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Values documentation for Heat Stress and Strain but does not address the additional metabolic heat load from wearing PPE and the need to correct environmental measurements.

In case you missed it, OSHA recently initiated an enforcement program to identify employers who fail to electronically submit Form 300A recordkeeping data to the agency. When it comes to OSHA recordkeeping, there are always questions regarding the requirements and ins and outs. This guide is here to help! We’ll explain reporting, recording, and online reporting requirements in detail.

If your organization has experienced an incident resulting in a fatality, injury, illness, environmental exposure, property damage, or even a quality issue, it’s important to perform an incident investigation to determine how this happened and learn what you can do to prevent similar incidents from happening in the future. In this guide, we’ll walk you through the steps of performing an incident investigation.

Lone workers exist in every industry and include individuals such as contractors, self-employed people, and those who work off-site or outside normal hours. These employees are at increased risk for unaddressed workplace accidents or emergencies, inadequate rest and breaks, physical violence, and more. To learn more about lone worker risks and solutions, download this informative guide.

This guide includes details on how to conduct a thorough Job Hazard Analysis, and it's based directly on an OSHA publication for conducting JHAs. Download the guide to learn how to identify potential hazards associated with each task of a job and set controls to mitigate hazard risks.

Without a proper incident investigation, it becomes difficult to take preventative measures and implement corrective actions. Watch this on-demand webinar for a step-by-step process of a basic incident investigation, how to document your incident investigation findings and analyze incident data, and more. 

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