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Showing 441 - 460 of 83319 results
  • Epigenetic Study of the LongTerm Effects of Gulf War Illness
    Epigenetic Study of the Long-Term Effects of Gulf War Illness
    Jones, B. C. ;
    O'Callaghan, James P.
    2025/06/17 | Front Genet 2025 Jun; 16:1553410 | National Institute for Occupational Safety and Health (NIOSH)
    Introduction: Gulf War Illness is a chronic multisymptomatic disorder that affects as many as 25-35% of the military personnel who were sent to the Persian Gulf war in 1991. The illness has many debilitating symptoms, including cognitive problems, gastrointestinal symptoms, and musculoskeletal pain. Those so afflicted have been sick for more than 3 ...
    Public Domain
  • Development of an EarlyStage Thermal Runaway Detection Model for LithiumIon Batteries
    Development of an Early-Stage Thermal Runaway Detection Model for Lithium-Ion Batteries
    Chen J ;
    Deng J
    2025/06/15 | Mining Publications
    This paper presents the development of a fast-responding and accurate detection model for early-stage thermal runaway of a lithium-ion battery utilizing acoustics and deep learning paradigms. A series of single-cell battery tests with different state-of-charge and battery orientations is conducted to collect acoustic data. Using data augmentation, ...
    Public Domain
  • An Evaluation of Quartz as a Component of Respirable Coal Dust
    An Evaluation of Quartz as a Component of Respirable Coal Dust
    Arnold BJ ;
    Eskanlou A
    2025/06/15 | National Institute for Occupational Safety and Health (NIOSH)
    The rising cases of coal worker's pneumoconiosis since the early 2000s have driven research into respirable coal dust. Prolonged quartz dust exposure is deemed to be the primary cause of the resurgence in pneumoconiosis. This study examines how quartz present in coals of various ranks produces hydroxyl radicals (oOH), a reactive oxygen species link ...
  • Pennsylvania First Responder Assessment of Chemical Exposure Survey Following the East Palestine Ohio Train Derailment Identifies Job Duties with Chemical Exposures That Contribute to Specific Health Outcomes
    Pennsylvania First Responder Assessment of Chemical Exposure Survey Following the East Palestine, Ohio Train Derailment Identifies Job Duties with Chemical Exposures That Contribute to Specific Health Outcomes
    Babich, Remy ;
    Sneeringer, Katie
    2025/06/13 | Disaster Med Public Health Prep 2025 Jun; 19:e149 | National Institute for Occupational Safety and Health (NIOSH)
    Objectives: A train derailment in East Palestine, Ohio, near the Ohio-Pennsylvania border on February 3, 2023, resulted in the release of hazardous substances and chemical exposures among residents and Pennsylvania first responders. We aimed to analyze data collected from an Assessment of Chemical Exposure (ACE) survey to better understand unique e ...
  • Comparison of Infection Risk in a Large and Small Classroom
    Comparison of Infection Risk in a Large and Small Classroom
    Horstman, Raymond ;
    Bennett, James
    2025/06/08 | Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :682 | National Institute for Occupational Safety and Health (NIOSH)
    Comparisons have been made historically between environments with high occupant density to those with lower occupant density. Implicit in this characterization for the purpose of assessing airborne infection risk is the amount of clean air per occupant, and ASHRAE Standard 241, Control of Infectious Aerosols, takes this approach. A more common basi ...
    Public Domain
  • Complex Models and Simple Results in Airborne Disease Transmission
    Complex Models and Simple Results in Airborne Disease Transmission
    Bennett, James
    2025/06/08 | Healthy Buildings Europe 2025, June 8-11, 2025, Reykjavik, Iceland. Herndon, VA: International Society of Indoor Air Quality and Climate (ISIAQC), 2025 Jun; :386-392 | National Institute for Occupational Safety and Health (NIOSH)
    The SARS-CoV-2 pandemic energized all fields related to indoor air, including exposure modelling. The confluence of scientific disciplines that responded to the devastation of COVID-19 has created a need to be precise with language. Exposure is presented as the rate of dose accumulation via air, and dose as the product of the dosing rate and the do ...
    Public Domain
  • Quantifying Topographic Influences on Rockfall Trajectories in Open Pit Mines Using Stochastic Rockfall Modeling
    Quantifying Topographic Influences on Rockfall Trajectories in Open Pit Mines Using Stochastic Rockfall Modeling
    McNabb, J. C. ;
    Potter, J. J.
    2025/06/08 | Mining Publications
    Rockfall remains one of the most critical and least understood hazards faced in open pit mining. The factors controlling when and where rockfalls occur are abundant and highly variable site to site, hindering development of effective tools for proactive rockfall hazard mapping at scales relevant to mining operations. Observations from controlled ro ...
    Public Domain
  • Forecasting Rockfall Retention Performance of Catch Bench Configurations in Mining Models Calibrated to Rockfall Field Data
    Forecasting Rockfall Retention Performance of Catch Bench Configurations in Mining Models Calibrated to Rockfall Field Data
    Restrepo, J. A. ;
    McNabb, J. C.
    2025/06/08 | Mining Publications
    Rockfall hazards pose significant safety risks in open-pit mining, endangering both personnel and equipment. To mitigate these risks, catch benches are designed to retain falling rocks, with a common industry target of 90% retention on the first bench. However, quantifying retention rates remains challenging due to variable slope geometries and roc ...
    Public Domain
  • Effects of Moisture Contents on Temperature Control Performance of Structural Firefighters Gloves with the Incorporation of Phase Change Material
    Effects of Moisture Contents on Temperature Control Performance of Structural Firefighters' Gloves with the Incorporation of Phase Change Material
    Wang, Xun ;
    Zhao, Weihuan
    2025/06/03 | National Institute for Occupational Safety and Health (NIOSH)
    Phase change materials (PCMs) are extensively utilized in thermal management applications. We examined thermal protection enhancement in structural firefighting gloves through the incorporation of PCMs, particularly under conditions influenced by moisture from hand sweating or external water sources. We conducted experiments to assess the impact of ...
    Public Domain
  • US Workers SelfReported Mental Health Outcomes by Industry and Occupation
    US Workers' Self-Reported Mental Health Outcomes by Industry and Occupation
    Sussell, Aaron L. ;
    Yeoman, Kristin
    2025/06/02 | JAMA Netw Open 2025 Jun; 8(6):e2514212 | National Institute for Occupational Safety and Health (NIOSH)
    Importance: Work-related hazards and stress have been shown to be associated with mental health, with suicide rates among adult workers increasing since 2000. Objective: To determine if self-reported lifetime diagnosed depression, frequent mental distress (FMD), extreme distress prevalences, and mean mentally unhealthy days (MUD) varied among curre ...
    Public Domain
  • Evaluating Total Outward Leakage of FaceWorn Products Across Various Particle Sizes for Source Control Against Submicron Aerosols Implications for Public Health Protection
    Evaluating Total Outward Leakage of Face-Worn Products Across Various Particle Sizes for Source Control Against Submicron Aerosols: Implications for Public Health Protection
    Myers WR ;
    Ryan KJ
    2025/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    During COVID-19, the general public widely used face-worn products (FwPs) to mitigate viruses spread via airborne transmission. This study investigated the effectiveness of various FwP categories in reducing submicron aerosol transmission by evaluating total outward leakage (TOL) across particle sizes. Nine FwP categories were tested: ASTM F2100 Le ...
  • Comparison Between Inductively Coupled PlasmaMass Spectrometry and Benchtop XRay Fluorescence Performance for Trace Elemental Exposure in Rat Tissues
    Comparison Between Inductively Coupled Plasma-Mass Spectrometry and Benchtop X-Ray Fluorescence Performance for Trace Elemental Exposure in Rat Tissues
    Adesina KE ;
    Brain JD
    2025/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Background: Trace elemental toxicants induce health detriment in almost every organ system in the human body and account for a large amount of environmental and ecological environmental pollution. Traditionally, inductively coupled plasma mass spectrometry (ICP-MS) has been the gold standard for measuring elemental concentrations in biological tiss ...
  • Line of Duty Death Report Report Slides Firefighter Dies After Becoming Lost in an Attic at a Residential Structure Fire Illinois
    Line of Duty Death Report: Report Slides: Firefighter Dies After Becoming Lost in an Attic at a Residential Structure Fire – Illinois
    Loflin, Murrey E. ;
    Montague, Patrick R.
    2025-06-01 | Fire Fighter Fatality Investigation and Prevention Program (FFFIPP)
    On April 4, 2023, a 49-year-old firefighter died after becoming lost in the attic of a residential structure. At 03:23 hours, the Office of Emergency Management and Communications (OEMC) transmitted a Still Alarm (first response) for a residential structure fire for Box 142016. Battalion Chief 22 (BC22), Engine 75 (E75), Engine 115 (E115), Tower La ...
    Public Domain
  • Quantification of 3Chloro7Hydroxy4Methylcoumarin CHMC in Urine as a Biomarker of Coumaphos Exposure by HighPerformance Liquid ChromatographyFluorescence Detection HPLCFLD
    Quantification of 3-Chloro-7-Hydroxy-4-Methylcoumarin (CHMC) in Urine as a Biomarker of Coumaphos Exposure by High-Performance Liquid Chromatography-Fluorescence Detection (HPLC-FLD)
    Robbins ZG ;
    Striley CA
    2025/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    The organophosphate pesticide coumaphos is used to control Cattle Tick Fever carried by multiple species of ticks and is a known hazard for workers treating livestock. The USDA Cattle Fever Tick Eradication Program requires regular blood draws to measure depressed cholinesterase levels as biomarkers of effect of long-term coumaphos exposure, howeve ...
    Public Domain
  • Health Hazard Evaluation Program Evaluation of Indoor Environmental Quality at a StateOperated Wastewater Treatment Plant HHE202300443418
    Health Hazard Evaluation Program: Evaluation of Indoor Environmental Quality at a State-Operated Wastewater Treatment Plant [HHE-2023-0044-3418]
    Hayden, Marie A. ;
    Feldmann, Karl D.
    2025-06-01 | Health Hazard Evaluation Reports (HHE)
    An employee representative from a state-operated wastewater treatment plant requested a health hazard evaluation concerning indoor environmental quality. Employees were concerned about ventilation issues in the buildings housing the wastewater treatment operations, specifically the laboratory building, where employees spent most of their workday. O ...
    Public Domain
  • Health Hazard Evaluation Program Evaluation of Exposures and Health Concerns at a Coffee Roasting and Packaging Facility HHE202300273417
    Health Hazard Evaluation Program: Evaluation of Exposures and Health Concerns at a Coffee Roasting and Packaging Facility [HHE-2023-0027-3417]
    Blackley, Brie ;
    Hines, Stella E.
    2025-06-01 | Health Hazard Evaluation Reports (HHE)
    The National Institute for Occupational Safety and Health (NIOSH) received a management request for a health hazard evaluation at a coffee roasting and packaging facility. The request stated concerns regarding potential employee exposure to diacetyl, 2,3-pentanedione, other volatile organic compounds (VOCs), carbon monoxide (CO), and carbon dioxide ...
    Public Domain
  • Line of Duty Death Report 55YearOld Lieutenant Dies from Heart Attack While Responding to HighRise Fire Illinois
    Line of Duty Death Report: 55-Year-Old Lieutenant Dies from Heart Attack While Responding to High-Rise Fire - Illinois
    Eisenberg, Judith S. ;
    Saunders, Robert
    2025-06-01 | Fire Fighter Fatality Investigation and Prevention Program (FFFIPP)
    On April 5, 2023, at 0656 hours, a 55-year-old lieutenant (LT), assigned to a tower ladder (T1), was dispatched to the scene of a high-rise structure fire. The T1 s five members were assigned to serve as the fire investigation team (FIT). They found the fire had broken out on the 27th floor of a 1970s structure that had 35 floors and no sprinkler s ...
    Public Domain
  • The Associations of Long Working Hours and Unhealthy Diet with Cardiometabolic Outcomes and Mortality in US Workers
    The Associations of Long Working Hours and Unhealthy Diet with Cardiometabolic Outcomes and Mortality in US Workers
    Arah OA ;
    Chen L
    2025/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Objectives: To examine independent and joint associations of long working hours (LWH) and EAT-Lancet diet with cardiometabolic outcomes and mortality in US workers. Methods: This prospective cohort included US workers from the National Health and Nutrition Examination Survey, with cross-sectional baseline data from 1999 to March 2020. A subsample o ...
  • Line of Duty Death Report Firefighter Dies After Becoming Lost in an Attic at a Residential Structure Fire Illinois
    Line of Duty Death Report: Firefighter Dies After Becoming Lost in an Attic at a Residential Structure Fire – Illinois
    Loflin, Murrey E. ;
    Montague, Patrick R.
    2025/06/01 | Fire Fighter Fatality Investigation and Prevention Program (FFFIPP)
    On April 4, 2023, a 49-year-old firefighter died after becoming lost in the attic of a residential structure. At 03:23 hours, the Office of Emergency Management and Communications (OEMC) transmitted a Still Alarm (first response) for a residential structure fire for Box 142016. Battalion Chief 22 (BC22), Engine 75 (E75), Engine 115 (E115), Tower La ...
    Public Domain
  • Immediately Dangerous to Life or Health IDLH Value Profile Hydrogen Chloride CAS No 7647010
    Immediately Dangerous to Life or Health (IDLH) Value Profile: Hydrogen Chloride, CAS® No. 7647-01-0
    Frank, Evan ;
    Chittiboyina, Shirisha
    2025/06/01 | NIOSH Numbered Publications
    This technical report presents the scientific basis, toxicologic data, and risk assessment methodology used to derive a health-based immediately dangerous to life or health (IDLH) value for hydrogen chloride (CAS No. 7647-01-0). The IDLH values are based on the scientific rationale and logic outlined in the Current Intelligence Bulletin (CIB) 66: D ...
    Public Domain
441 - 460 / 83319
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