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Showing 4321 - 4340 of 82972 results
  • Wavelength Selective Portable Device for Quantifying Organic and Elemental Carbon in Diesel Particulate Matter
    Wavelength Selective Portable Device for Quantifying Organic and Elemental Carbon in Diesel Particulate Matter
    Miller AL ;
    Parks DA
    2022/02/27 | Mining Publications
    Diesel particulate matter (DPM) is a common and well-known health hazard in the mining environment. The current approved method for monitoring both the organic and elemental carbon (OC, EC) portions of DPM is a laboratory method with a turnaround time of approximately one week. In order to evaluate exposure levels and take corrective action before ...
    Public Domain
  • Evaluation of Parameters Influencing Potential Gas Flow to the Mine in the Event of a Nearby Unconventional Shale Gas Well Casing Breach
    Evaluation of Parameters Influencing Potential Gas Flow to the Mine in the Event of a Nearby Unconventional Shale Gas Well Casing Breach
    Ajayi KM ;
    Khademian Z
    2022/02/27 | Mining Publications
    The integrity of unconventional shale gas well casings positioned in the abutment pillar of a longwall mine could be jeopardized by longwall-induced deformations. Under such scenarios, the surrounding fracture networks could provide pathways for gas flow into the mine creating safety concerns. To provide recommendations for developing guidelines th ...
    Public Domain
  • Identifying LongwallInduced Fracture Zone Height Through Core Drilling
    Identifying Longwall-Induced Fracture Zone Height Through Core Drilling
    Dougherty H ;
    Kim BH
    2022/02/27 | Mining Publications
    The National Institute for Occupational Safety and Health (NIOSH) has been evaluating longwall mining-induced strata fractures and their impacts on casing stability of Marcellus shale gas wells located in longwall pillars. To understand the extent of overburden fractures after longwall mining, NIOSH researchers drilled a post-mining corehole into t ...
    Public Domain
  • Concepts for development of shuttle car autonomous docking with a continuous miner using 3D depth cameras
    Concepts for development of shuttle car autonomous docking with a continuous miner using 3-D depth cameras.
    Agioutantis Z ;
    Chiu H-P
    2022/02/27 | National Institute for Occupational Safety and Health (NIOSH)
    In recent years, a great deal of effort has been put into automating mining equipment with the goal of improving worker health and safety and increasing mine productivity. Significant progress has been made in automating mining equipment such as load-haul-dumps and drills in underground environments where global positioning systems are unavailable. ...
  • NIOSH Gas Well Stability Research Status and Significant Findings
    NIOSH Gas Well Stability Research – Status and Significant Findings
    Dougherty H ;
    Su, Daniel W. H.
    2022/02/27 | Mining Publications
    To provide critical scientific data and engineering guidelines to federal and state regulatory agencies as well as the coal and gas industries, the National Institute for Occupational Safety and Health (NIOSH) initiated a Gas Well Stability Research Program in 2016. This paper summarizes the critical scientific data acquisition, interpretation, and ...
    Public Domain
  • NIOSH Conformity Assessment Letter to Manufacturers CA 20221040 Effective Immediately Prioritization of applications submitted by existing domestic approval holders and new domestic applicants for new approvals or extensionsofapproval for particulate filtering respirators including Surgical N95 respirators This prioritization does not include privatelabel requests This notice and NIOSH CA 20221041 supersede NIOSH CA 20211032
    NIOSH Conformity Assessment Letter to Manufacturers, CA 2022-1040 - Effective Immediately – Prioritization of applications submitted by existing domestic approval holders and new domestic applicants for new approvals or extensions-of-approval for particulate filtering respirators, including Surgical N95 respirators. This prioritization does not include private-label requests. This notice and NIOSH CA 2022-1041 supersede NIOSH CA 2021-1032
    02/25/2022 | NIOSH
    NIOSH CA 2021-1032, a Conformity Assessment Letter to Manufacturers (Letter) published in February 2021, offered prioritization guidance to address the overwhelming number of new applications submitted to the NIOSH Respirator Approval Program (Program) throughout 2020 and early 2021. In that Letter, the Program continued to prioritize applications ...
    Public Domain
  • NIOSH Conformity Assessment Letter to Manufacturers CA 20211032 Effective Immediately In response to COVID19 Updated NIOSH fraud and fraudulent statements policy and prioritization for accepting and examining particulate filtering respirator approval applications including Surgical N95 respirators submitted by existing domestic and nondomestic approval holders new domestic manufacturersapplicants and new nondomestic manufacturersapplicants Supersedes NIOSH CA 20201031 This notice has been superseded For the latest NIOSH guidance on this topic please see the updated notices CA20221041 and CA20221040
    NIOSH Conformity Assessment Letter to Manufacturers, CA 2021-1032 - Effective Immediately – In response to COVID-19 – Updated NIOSH fraud and fraudulent statements policy and prioritization for accepting and examining particulate filtering respirator approval applications, including Surgical N95 respirators, submitted by existing domestic and non-domestic approval holders, new domestic manufacturers/applicants, and new non-domestic manufacturers/applicants. Supersedes NIOSH CA 2020-1031. This notice has been superseded. For the latest NIOSH guidance on this topic, please see the updated notices: CA-2022-1041 and CA-2022-1040.
    02/25/2022 | NIOSH
    NIOSH issued an earlier version of this Conformity Assessment Letter to Manufacturers (CA 2020-1031) in August 2020 to address the overwhelming number of new applications submitted to the NIOSH Respirator Approval Program as well as the serious and ongoing attempts to defraud the Program. The February 2021 version of this Letter provides new guidan ...
    Public Domain
  • Engineered Nanoparticle Release from Personal Protective Clothing Implications for Inhalation Exposure
    Engineered Nanoparticle Release from Personal Protective Clothing: Implications for Inhalation Exposure
    Blevens M ;
    Fisher ER
    2022/02/25 | National Institute for Occupational Safety and Health (NIOSH)
    In this study, we investigated engineered nanoparticle (ENP) release associated with the contamination of personal protective clothing during the simulated motion of the human wearing the ENP-contaminated protective clothing and evaluated the relative ENP retention on the fabric. The release of airborne ENPs can contribute to inhalation exposure, w ...
  • NIOSH Conformity Assessment Letter to Manufacturers CA 20221041 NIOSH fraud and fraudulent statements policy and new information about using NIOSH marks This notice and NIOSH CA 20221040 supersede NIOSH CA 20211032
    NIOSH Conformity Assessment Letter to Manufacturers, CA 2022-1041 - NIOSH fraud and fraudulent statements policy and new information about using NIOSH marks. This notice and NIOSH CA 2022-1040 supersede NIOSH CA 2021-1032
    02/25/2022 | NIOSH
    This NIOSH Fraud and Fraudulent Statements Policy was first included in the February 2021 Conformity Assessment Letter to Manufacturers (NIOSH CA 2021-1032). That notice also offered prioritization guidance and is now superseded by this notice NIOSH CA 2022-1041 (fraud and fraudulent statements) and NIOSH CA 2022-1040 (February 2022 prioritization ...
    Public Domain
  • Is It My Job Leaders FamilySupportive Role Perceptions
    Is It My Job? Leaders’ Family-Supportive Role Perceptions
    Crain TL ;
    Ellis AM
    2022/02/22 | National Institute for Occupational Safety and Health (NIOSH)
    Purpose: Despite a burgeoning literature on family-supportive supervisor behaviors (FSSB), it is unclear whether supervisors view these behaviors as in-role or discretionary. We proposed a new cognitive motivational construct, FSSB role perceptions (FSSB-RP; that is the extent to which supervisors perceive FSSB as an expected part of their job) and ...
  • How TetraspaninMediated Cell Entry of SARSCoV2 Can Dysregulate the Shedding of the ACE2 Receptor by ADAM17
    How Tetraspanin-Mediated Cell Entry of SARS-CoV-2 Can Dysregulate the Shedding of the ACE2 Receptor by ADAM17
    Healy EF
    2022/02/19 | National Institute for Occupational Safety and Health (NIOSH)
    COVID-19, the respiratory infection caused by the novel coronavirus SARS-CoV-2, presents a clinical picture consistent with the dysregulation of many of the pathways mediated by the metalloprotease ADAM17. ADAM17 is a sheddase that plays a key role in the modulation of ACE2, the receptor which also functions as the point of attachment leading to ce ...
  • Inhalation and skin exposure to chemicals in hospital settings
    Inhalation and skin exposure to chemicals in hospital settings.
    Bowers LN ;
    LeBouf, Ryan F.
    2022/02/18 | National Institute for Occupational Safety and Health (NIOSH)
    Healthcare is one of the largest and fastest growing industries worldwide. It is complex and comprises different occupations directly providing healthcare services, and occupations providing other supporting services. The industry is changing rapidly with advances in medical science and new technologies. It faces new challenges stemming from changi ...
    Public Domain
  • Almost a Year In Virtual Offices Remained an Ergonomic Trouble Spot
    Almost a Year In: Virtual Offices Remained an Ergonomic Trouble Spot
    Davis, Kermit G. ;
    Gerding T
    2022/02/18 | National Institute for Occupational Safety and Health (NIOSH)
    BACKGROUND: Many individuals continued to work from home even after nearly 9 months since the COVID-19 pandemic started in spring of 2020. OBJECTIVE: To conduct a follow-up survey of the faculty and staff of a large Midwest university to determine whether there had been any changes to their home work environment and health outcomes since a prior su ...
  • NIOSH Board of Scientific Counselors Meeting April 20 2022 agenda
    NIOSH Board of Scientific Counselors Meeting, April 20, 2022 [agenda]
    National Institute for Occupational Safety and Health. Board of Scientific Counselors
    Feb. 18, 2022 | National Institute for Occupational Safety and Health (NIOSH)
    Publication date from document properties.BSCAgendaApril2022-508.pdf
    Public Domain
  • Disposable ECigarettes and Associated Health Risks An Experimental Study
    Disposable E-Cigarettes and Associated Health Risks: An Experimental Study
    Roelofs C
    2022/02/18 | National Institute for Occupational Safety and Health (NIOSH)
    Objective: Recent disasters have demonstrated gaps in employers' preparedness to protect employees and promote their well-being in the face of disruptive events. Our objective was to develop a useful strategy for advancing comprehensive employer preparedness and to assess employer preparedness in a sample of employers. Methods: A Total Worker Healt ...
  • Impact of workplace displacement during a natural disaster on computer performance metrics a 2year interrupted time series analysis
    Impact of workplace displacement during a natural disaster on computer performance metrics: a 2-year interrupted time series analysis.
    Benden M ;
    Cizmas L
    2022/02/18 | National Institute for Occupational Safety and Health (NIOSH)
    BACKGROUND: Remote working may enhance company resiliency during natural disasters and other events causing workplace displacement. OBJECTIVE: We conducted an interrupted time series analysis to investigate the impact of Hurricane Harvey on employee computer use during and after a seven-month displacement period from the physical workplace. METHODS ...
  • The Virtual Office A Perspective from College Students
    The Virtual Office: A Perspective from College Students
    Davis, Kermit G. ;
    Kotowski SE
    2022/02/18 | National Institute for Occupational Safety and Health (NIOSH)
    BACKGROUND: As the COVID-19 pandemic took root in the United States, most universities quickly transitioned to online and remained there through spring 2021. OBJECTIVE: The study objective was to identify the impact of the switch to online on student home offices and corresponding health outcomes. METHODS: An online survey was sent out to all stude ...
  • Teachers Feeling the Burden of COVID19 Impact on WellBeing Stress and Burnout
    Teachers Feeling the Burden of COVID-19: Impact on Well-Being, Stress, and Burnout
    Barratt CL ;
    Davis, Kermit G.
    2022/02/18 | National Institute for Occupational Safety and Health (NIOSH)
    BACKGROUND: Teachers have had to deal with many of the negative aspects of COVID-19 over the past year. The demands associated with the sudden requirement to teach remotely, and later having to manage hybrid (both in person and online) learning may be having adverse effects on the mental and physical health of teachers. OBJECTIVE: To determine whet ...
  • Large Animal Veterinarians Knowledge Attitutes and Practices Regarding Livestock AbortionAssociated Zoonoses in the United States Indicate Potential Occupational Health Risk
    Large Animal Veterinarians' Knowledge, Attitutes, and Practices Regarding Livestock Abortion-Associated Zoonoses in the United States Indicate Potential Occupational Health Risk
    Cherry, Cara C. ;
    Negrón Sureda, María E.
    2022/02/16 | J Am Vet Med Assoc 2022 Apr; 260(7):780-788 | National Institute for Occupational Safety and Health (NIOSH)
    Objective: To understand large animal veterinarians' knowledge of select zoonotic diseases that cause livestock abortions and identify barriers to using personal protective equipment (PPE). Sample: A convenience sample of 469 veterinarians currently working with livestock. Procedures: We sent an electronic survey invitation to large animal veterina ...
    Supporting Files
  • Factory noise removal to preserve situational awareness
    Factory noise removal to preserve situational awareness.
    MacAuslan JM ;
    Payton K
    2022/02/16 | Grant Final Reports
    These SBIR data are furnished with SBIR rights. For a period of 4 years, unless extended in accordance with FAR 27.409(h), after acceptance of all items to be delivered under this contract, the Government will use these data for Government purposes only, and they shall not be disclosed outside the Government (including disclosure for procurement pu ...
4321 - 4340 / 82972