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Showing 45481 - 45500 of 82972 results
  • Risk Factors for Adverse Health Effects Following Hazardous Materials Incidents
    Risk Factors for Adverse Health Effects Following Hazardous Materials Incidents
    Brodkin CA ;
    Burgess JL
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    To identify risk factors for persistent morbidity, we conducted a prospective study of individuals involved in hazardous materials incidents reported to the Washington Poison Center. Between December 1997 and October 1999, 202 subjects in 87 incidents were surveyed by telephone. Medical symptoms persisting for a minimum of 8 days after the incident ...
  • Verification and Validation of Roof Bolter Simulation Models for Studying Events Between a Machine and its Operator
    Verification and Validation of Roof Bolter Simulation Models for Studying Events Between a Machine and its Operator
    06/01/2001 | NIOSH
    This paper presents the results of a study to verify and validate a computer model that represents and analyzes motions and hazardous events in a simulated three-dimensional workplace. The purpose of the computer model is to support research that is in...
    Public Domain
  • Effect of Metabolic Polymorphisms on BenzidineInduced Bladder Cancer in Chinese Workers A Nested CaseControl Study
    Effect of Metabolic Polymorphisms on Benzidine-Induced Bladder Cancer in Chinese Workers: A Nested Case-Control Study
    Bell DA ;
    Boissy R
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Slow acetylation activity and its associated NAT2 genotype are generally associated with increased risk for bladder cancer in general populations and in workers exposed to arylamine mixtures. For workers exposed to benzidine, a borderline protective association has been reported. The purpose of this study was to evaluate the impact that metabolic p ...
    Public Domain
  • Pharmacologic Properties of Brewery Dust Extracts In Vitro
    Pharmacologic Properties of Brewery Dust Extracts In Vitro
    Castranova, Vincent ;
    Goswami S
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    STUDY OBJECTIVES: To study the effects of extracts of brewery dust on isolated guinea pig tracheal smooth muscle in vitro. DESIGN: Parallel pharmacologic intervention on guinea pig tracheal rings that were obtained from the same animal. SETTING: Mount Sinai School of Medicine, Department of Pulmonary Medicine. MATERIAL: The isolated guinea pig trac ...
  • Interleukin10Mediated Inhibition of Free Radical Generation in Macrophages
    Interleukin-10-Mediated Inhibition of Free Radical Generation in Macrophages
    Castranova, Vincent ;
    Dokka S
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Interleukin-10 (IL-10) is a pleiotropic cytokine that controls inflammatory processes by suppressing the production of proinflammatory cytokines that are known to be transcriptionally regulated by nuclear factor-B (NF-B). Although still controversial, IL-10 has been shown to inhibit NF-B activation through a process that involves proteolytic degrad ...
    Public Domain
  • Validity of fixedinterval observations for postural assessment in construction work
    Validity of fixed-interval observations for postural assessment in construction work
    Buchholz B ;
    Paquet VL
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    While observing six simulated construction tasks in the field, trained analysts recorded arm, trunk and leg postures categorically with two fixed-interval observational protocols. Observations were compared to measurements obtained with an electronic postural assessment system coupled with video analysis. The electronic postural assessment system c ...
  • Miner Training Simulator Users Guide and Scripting Language Documentation
    Miner Training Simulator: User’s Guide and Scripting Language Documentation
    Ruff, Todd M.
    2001/06/01 | NIOSH Numbered Publications
    A training software package for new mine employees, called Miner Training Simulator (MTS), has been developed by researchers at the National Institute for Occupational Safety and Health. MTS is a computer-based tool that allows a trainee to enter a simulated mine and interact with his/her surroundings in order to learn basic mining concepts, safety ...
    Public Domain
  • A Simple Calculation for the Buildup and Decay of Radon Progeny
    A Simple Calculation for the Buildup and Decay of Radon Progeny
    Underhill D ;
    Wayne G
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    A Markov chain in conjunction with an electronic spreadsheet is used to generate the buildup and decay patterns of radon progeny in a procedure involving only multiplication and addition. Markov chains are highly suitable for calculations of this type. Because the Markov matrix may not be readily available, and because some health physicists may no ...
  • Respiratory Symptoms Among Crab Processing Workers in Alaska Epidemiological and Environmental Assessment
    Respiratory Symptoms Among Crab Processing Workers in Alaska: Epidemiological and Environmental Assessment
    Berardinelli S Jr. ;
    Daroowalla, Feroza
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    BACKGROUND: Crab processing workers may develop respiratory symptoms and specific IgE responses, but the risk factors have not been fully described. METHODS: In 1998, 107 workers at a crab processing facility completed a survey both at the beginning and end of the processing season. The surveys included standardized symptom questionnaires, spiromet ...
    Public Domain
  • Evaluation of Personal Aerosol Samplers Challenged with Large Particles
    Evaluation of Personal Aerosol Samplers Challenged with Large Particles
    Aizenberg V ;
    Baron, Paul A.
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    The Simplified Test Protocol, developed in our earlier studies for testing personal inhalable aerosol samplers, was evaluated in a specially designed small open-section, close-loop wind tunnel. The sampling efficiencies of three personal inhalable aerosol samplers (IOM, GSP, and Button Aerosol Sampler) were measured with 65 m particles, using the S ...
  • Exposure to Endosulfan in Farmers Two Case Studies
    Exposure to Endosulfan in Farmers: Two Case Studies
    Brandt VA ;
    Ehlers J
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Endosulfan is not a restricted use organochlorine insecticide and is currently under re-registration review. In 1993, one confirmed case and one possible case of endosulfan poisoning in agricultural workers occurred in two southeastern states. Two cases of suspected endosulfan poisoning were investigated utilizing record reviews, blood samples, a s ...
  • Determinants of Chlorpyrifos Exposures and Urinary 35 6Trichloro2Pyridinol Levels Among Termiticide Applicators
    Determinants of Chlorpyrifos Exposures and Urinary 3,5, 6-Trichloro-2-Pyridinol Levels Among Termiticide Applicators
    Deddens JA ;
    Hines C
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    The exposures and work activities of 41 applicators in North Carolina using chlorpyrifos-containing termiticides were characterized. Personal air and urine samples were collected on multiple days within one week. Detailed information about chemical use, tasks, personal protective equipment and hygiene was recorded. During the 202 applicator-days mo ...
    Public Domain
  • FACE Facts Runaway Killer Preventing Forklift Fatalities
    FACE Facts: Runaway Killer – Preventing Forklift Fatalities
    California. Department of Public Health
    2001/06/01 | Fatality Assessment and Control Evaluation Reports (FACE)
    The California Fatality Assessment and Control Evaluation (FACE) program has been investigating work­related deaths since 1992. The goal of the FACE program is to prevent these deaths by informing workers and managers of worksite hazards and how to avoid them. The two incidents below involve forklift operators who died when their forklifts rolled a ...
  • CrVI Induces Cell Growth Arrest Through Hydrogen PeroxideMediated Reactions
    Cr(VI) Induces Cell Growth Arrest Through Hydrogen Peroxide-Mediated Reactions
    Castranova, Vincent ;
    Leonard, Stephen S.
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Cr (VI) compounds are widely used in industries and are recognized human carcinogens. The mechanism of carcinogenesis associated with these compounds is not well understood. The present study focused on Cr (VI)-induced cell growth arrest in human lung epithelial A549 cells, using flow cytometric analysis of DNA content. Treatment of the cells with ...
    Public Domain
  • Pneumoconiosis Prevalence Among Working US Coal Miners Preliminary Results Based on Chest XRay Screening Data 1995 to 2000
    Pneumoconiosis Prevalence Among Working U.S. Coal Miners: Preliminary Results Based on Chest X-Ray Screening Data, 1995 to 2000
    Petsonk, Edward L. ;
    Wagner, Gregory R.
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    We investigated the prevalence of Coal Workers' Pneumoconiosis (CWP) using the most recent five years of data from the U.S. Coal Workers' X-ray Surveillance Program. From October 1995 to October 2000, the program received 23,144 classifiable chest x-ray films for 20,590 miners at 1116 mines located in 15 states. Chest films were classified by a NIO ...
    Public Domain
  • Evaluation of the Bagged Stone Dust Barrier Effectiveness in a Bord and Pillar Mine
    Evaluation of the Bagged Stone Dust Barrier Effectiveness in a Bord and Pillar Mine
    06/01/2001 | NIOSH
    A project to evaluate the South African bagged stone dust explosion barrier was successfully completed at the NIOSH Lake Lynn Experimental Mine.
    Public Domain
  • Effects of Water Sprays and Scrubber Exhaust on Face Methane Concentrations
    Effects of Water Sprays and Scrubber Exhaust on Face Methane Concentrations
    06/01/2001 | NIOSH
    Research to determine how machine-mounted water sprays and a scrubber interact to reduce methane levels and what spray configurations provide the best face ventilation when used with a scrubber.
    Public Domain
  • Injuries Among Youth on Farms in the United States 1998
    Injuries Among Youth on Farms in the United States, 1998
    Hendricks, Kitty J. ;
    Myers, John R.
    2001/06/01 | NIOSH Numbered Publications
    According to data from the National Institute for Occupational Safety and Health and the U.S. Department of Agriculture, approximately 33,000 youth less that 20 years of age were injured on farms in the United States in 1998. Major causes of these injuries included falls, animals, and off-road vehicles such as all-terrain vehicles and tractors. Thi ...
    Public Domain
  • Health Hazard Evaluation Report HETA 200003562851 Campbell Hausfeld Harrison Ohio
    Health Hazard Evaluation Report: HETA 2000-0356-2851: Campbell Hausfeld, Harrison, Ohio
    Harney, Joshua M. ;
    McCleery, Robert E.
    2001/06/01 | Health Hazard Evaluation Reports (HHE)
    In July 2000, the National Institute for Occupational Safety and Health (NIOSH) received a management request for a health hazard evaluation (HHE) at Campbell Hausfeld in Harrison, Ohio, a producer of air compressors. This HHE request concerned several employees from the machining and assembly areas who had been reporting skin problems to managemen ...
    Public Domain
  • Force as an agent exposure analysis in ergonomic epidemiology
    Force as an agent: exposure analysis in ergonomic epidemiology
    Van Eerd D ;
    Wells R
    2001/06/01 | National Institute for Occupational Safety and Health (NIOSH)
    Introduction: The term "exposure" has suffered from inconsistent and confusing usage in many fields including environmental and occupational health sciences (6). The concept of ergonomic exposure has also been difficult to define. There have, however been a number of ergonomic or physical exposure models presented (1, 2, 5). The aim of this paper i ...
45481 - 45500 / 82972