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Showing 47301 - 47320 of 82802 results
  • Growth of Occupational Health
    Growth of Occupational Health
    Murthy LI
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    After passage of the Occupational Safety and Health Act (OSHAct) in 1970, the field of occupational health and safety continues to grow. In the United States, more experts are involved in the process of maintaining a safe and healthy workplace. Among them are physicians, nurses, safety professionals, and industrial hygienists. These professionals a ...
    Public Domain
  • Physical Strength Assessment in Ergonomics Chapter in Handbook of Industrial Automation
    Physical Strength Assessment in Ergonomics [Chapter in Handbook of Industrial Automation]
    01/01/2000 | NIOSH
    This publication concerns human physical strength testing. Its purpose is not to recommend any particular type of testing, but rather to describe the types of testing available and their uses.
    Public Domain
  • What Are We Breathing and How Can It Best Be Characterized
    What Are We Breathing and How Can It Best Be Characterized?
    Phalen RF
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    The opening session of the colloquium, which addressed the issues of defining and characterizing relevant PM exposures, consisted of introductory and summary talks, poster viewing, and a discussion between the audience and an expert panel. The platform presentations and expert panel members' comments tended to point to areas in need of new research ...
  • Eigenschaften brennbarer staube kenngroben Properties of flammable dusts
    Eigenschaften brennbarer staube (kenngroben) (Properties of flammable dusts)
    Cashdollar, Kenneth L. ;
    Hensel W
    2000/01/01 | Mining Publications
    Die fur den Explosionsschutz mabgebenden Eigenschaften brennbarer Staube werden durch sicherheitstechnische Kenngroben (STK) beschrieben. Diese Kenngroben sind Grenzwerte wichtiger Stoffeigenschaften, jenseits defer bestimmte Gefahren (Brande, Explosionen. Entstehung gefahrlicher anderer Stoffe) beim Umgang mit den aktuellen Stoffen oder Stoffgemis ...
    Public Domain
  • Aerosol Synergism and Hydrate Formation a Possible Connection
    Aerosol Synergism and Hydrate Formation – a Possible Connection
    Underhill DW
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    Earlier experiments using guinea pigs and other laboratory animals have shown that aerosols of sodium chloride potentiate the irritant effects of inhaled sulfur dioxide and formaldehyde. This potentiation was not seen with other vapors such as formic acid and acetic acid; nor was it observed when water-insoluble aerosols were substituted for the so ...
  • Hypertension Could Lowering Job Strain Be a Specific Therapeutic Modality
    Hypertension: Could Lowering Job Strain Be a Specific Therapeutic Modality?
    Schnall P
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    There is a well-established link between hypertension (elevated BP) and increased risk for stroke and heart disease. Indeed, recognition of rapidly rising rates of stroke and heart attack following World War II led to intensive efforts by private organizations like the American Heart Association and agencies of the U.S. government to modify known r ...
  • Evaluation of Occupational Transmission of Hepatitis A Virus Among Wastewater Workers
    Evaluation of Occupational Transmission of Hepatitis A Virus Among Wastewater Workers
    Krake, Ann M. ;
    Mueller, Charles A.
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    To provide information concerning potential occupational transmission of hepatitis A virus (HAV) among wastewater workers in a large city in the United States, a cross-sectional survey was performed using a saliva test to detect antibodies to HAV (anti-HAV). Fifty-nine (20%) of 302 participants tested positive for anti-HAV. After controlling for th ...
    Public Domain
  • Hypertension Could Lowering Job Strain Be a Specific Theraputic Modality
    Hypertension: Could Lowering Job Strain Be a Specific Theraputic Modality?
    Belkic K ;
    Pickering T
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    The relationship between elevations in blood pressure (BP) and cardiovascular risk is "strong, continuous, graded, consistent, independent, predictive, and etiologically significant for those with and without CHD." From the age of 20 on, in the U.S. and other industrialized settings, BP increases progressively with age for the population as a whole ...
  • The Workplace and Cardiovascular Health Conclusions and Thoughts for a Future Agenda
    The Workplace and Cardiovascular Health: Conclusions and Thoughts for a Future Agenda
    Baker, Dean B. ;
    Belkic K
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    We argued in the introduction that to adequately address the CVD epidemic, there is a need for a social epidemiologic approach that focuses on the workplace. Here, we briefly review the empirical, theoretical, and biological evidence presented earlier to demonstrate "convergent" validation that the relationship between workplace stressors and CVD r ...
  • Neurological Effects of Organophosphates on Farm Workers
    Neurological Effects of Organophosphates on Farm Workers
    Anger K ;
    Checkoway, Harvey
    2000/01/01 | Grant Final Reports
    The study determined if exposure to organophosphate pesticides (OPs) during apple thinning had a detectable effect on neurobehavioral performance and neurological function, and whether years of historical exposure to orchard thinning showed an effect on the same functions after recovery from any acute effects. Tests including World Health Organizat ...
  • Role of Molecular Oxygen in the Generation of Hydroxyl and Superoxide Anion Radicals During Enzymatic CrVI Reduction and Its Implication to CrVIInduced Carcinogenesis
    Role of Molecular Oxygen in the Generation of Hydroxyl and Superoxide Anion Radicals During Enzymatic Cr(VI) Reduction and Its Implication to Cr(VI)-Induced Carcinogenesis
    Castranova, Vincent ;
    Leonard, Stephen S.
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    Electron spin resonance (ESR) spin trapping measurements provide evidence for the generation of hydroxyl radicals (OH) in the reduction of Cr(VI) by glutathione reductase (GSSG-R) in the presence of NADPH as a cofactor. Catalase inhibited the OH generation, while the addition of H2O2 enhanced it, indicating that the OH radical generation involves a ...
    Public Domain
  • Mine Fire Source Discrimination Using Fire Sensors and Neural Network Analysis
    Mine Fire Source Discrimination Using Fire Sensors and Neural Network Analysis
    Edwards, J. C. ;
    Friel, G. F.
    2000 | Combustion Fundamentals and Applications--Proceedings of the 2000 Technical Meeting of the Central States Section of the Combustion Institute, Indianapolis, Indiana. Pittsburgh, PA: The Combustion Institute, 2000 Apr; :207-211 | National Institute for Occupational Safety and Health (NIOSH)
    Fire experiments were conducted in the Safety Research Coal Mine (SRCM) at the National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, with coal, diesel-fuel, electrical-cable, conveyor-belt, and metal-cutting fire sources to determine the response of fire sensors to products-of-combustion (POC). Metal oxide semicondu ...
    Public Domain
  • The Lewis and Clark Line and Coeur dAlene mining district
    The Lewis and Clark Line and Coeur d'Alene mining district.
    Lange I ;
    White, Brian G.
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    No Description Provided
    Public Domain
  • AutomatedPCNetworkBased Seismic Monitoring Systems Applied to Mining Hazards Research
    Automated-PC-Network-Based Seismic Monitoring Systems Applied to Mining Hazards Research
    Swanson, Peter L.
    2000/01/01 | Mining Publications
    Following closure of the U.S. Bureau of Mines, Congress transferred responsibility for health and safety research in mining to the National Institute for Occupational Safety and Health (NIOSH). NIOSH has developed a personal-computer-(PC-)based seismic data acquisition and processing system for use in studies designed to reduce hazards associated w ...
    Public Domain
  • Control of Exposure to Perchloroethylene in Commercial Drycleaning Machine Design
    Control of Exposure to Perchloroethylene in Commercial Drycleaning (Machine Design)
    National Institute for Occupational Safety and Health
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    Perchloroethylene (PERC) is the most commonly used drycleaning solvent. PERC can enter the body through respiratory and dermal exposure. Symptoms associated with exposure include: depression of the central nervous system; damage to the liver and kidneys; impaired memory; confusion; dizziness; headache; drowsiness; and eye, nose, and throat irritati ...
    Public Domain
  • Comparison of Solvents for Removing Pesticides from Skin Using an In Vitro Porcine Model
    Comparison of Solvents for Removing Pesticides from Skin Using an In Vitro Porcine Model
    Boeniger, Mark F. ;
    Campbell JL
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    This study compared four solvents (1-propanol, polyethylene glycol [avg. MW 400], 10% Ivory Liquid and water, and D-TAM) for their ability to remove selected pesticides from an in vitro porcine skin model using a solvent-moistened wipe. Wipes were performed 90 min after pesticide was applied to the skin. The four pesticides selected (glyphosate, al ...
  • Shift Work Long Hours and Cardiovascular Disease A Review
    Shift Work, Long Hours, and Cardiovascular Disease: A Review
    Steenland, Kyle
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    Data from industrialized countries suggests that irregular patterns of work, such as shift work and extensive overtime work, have become increasingly common. In conjunction with this trend, there are more epidemiologic studies of the health effects of such irregular patterns of work, a number of which focus on heart disease. The following is a revi ...
    Public Domain
  • Skin Cytochrome P450 Status and Percutaneous Penetration Enhanced Dermal Absorption and Altered Local Disposition of 33 44Tetrachlorobiphenyl and Pentachlorophenol
    Skin Cytochrome P450 Status and Percutaneous Penetration: Enhanced Dermal Absorption and Altered Local Disposition of 3,3′, 4,4′-Tetrachlorobiphenyl and Pentachlorophenol
    Qiao GL ;
    Riviere JE
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    Chemical mixture and sequential chemical dermal exposure reflects the real-world scenario in the workplace, environment, or residential setting. Cutaneous metabolism has a great effect on the local and systemic health hazard of a topically applied chemical by modifying its disposition fate and biological activity. To quantify the effects of skin cy ...
    Public Domain
  • Effect of Different Grouping Strategies in Developing Estimates of Personal Exposures Specificity Versus Precision
    Effect of Different Grouping Strategies in Developing Estimates of Personal Exposures: Specificity Versus Precision
    Attfield MD ;
    Werner MA
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    There has been increasing interest in recent years in developing strategies in epidemiology for the summarization of occupational exposures, strategies that serve to clarify observed relationships between occupational exposure and health outcomes. Where source occupational exposure data are scarce, it is common to assemble exposure groups with the ...
    Public Domain
  • Cardiovascular Evaluation of the Worker and Workplace A Practical Guide for Clinicians
    Cardiovascular Evaluation of the Worker and Workplace: A Practical Guide for Clinicians
    Belkic K ;
    Schnall P
    2000/01/01 | National Institute for Occupational Safety and Health (NIOSH)
    While the empirical evidence presented in Chapter 2 strongly suggests that psychosocial, ergonomic, and physical workplace stressors make an important contribution to risk of CVD, the workplace has yet to become an integral consideration for clinical cardiology. In recent textbooks and/or millennium reviews in cardiology, hypertension, and internal ...
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