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Research Program On Beryllium Oxide Analysis And Toxicity
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Book Synopsis Research Program on Beryllium Oxide Analysis and Toxicity by :
Download or read book Research Program on Beryllium Oxide Analysis and Toxicity written by and published by . This book was released on 1972 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The carcinogenic activity of BeO has been shown to be a function of the temperature to which the beryllium has been exposed. Examination of the toxicological properties of various rocket exhaust products indicate that some products resemble high-fired BeO in their lack of carcinogenic activity, while others contain considerable quantities of water soluble beryllium and vary in toxicity. In analyzing blood samples it is necessary to obtain the total Be concentration although as mentioned some forms are not as reactive as others. Thus the research involved devising reaction conditions for the conversion of low-fired BeO and high-fired BeO such that the reaction mixture was in a form suitable for the gas chromatographic measurement of beryllium. Also discussed is the applicability of the technique for the conversion of the oxides in blood and tissue matrices.
Book Synopsis Toxicological Studies on Beryllium Oxides and Beryllium-containing Exhaust Products by : Howard C. Spencer
Download or read book Toxicological Studies on Beryllium Oxides and Beryllium-containing Exhaust Products written by Howard C. Spencer and published by . This book was released on 1968 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of long-term studies on rats and rabbits, injected intratracheally with well-characterized key samples of beryllium oxide prepared by calcining beryllium hydroxide for 10 hours at 500, 1100 and 1600 C, respectively, show clearly that there is a definite gradation in biological response depending upon the oxide administered. Thus, the oxide calcined at 500 C was highly active as judged by histopathological examination of the lungs, incidence of tumors, and translocation of beryllium from the lungs to other tissues. In contrast, the oxide calcined at 1600 C showed only minimal effects. Dose-response studies were carried out, using carefully prepared subsamples of 'respirable particle size' (1 to 5 microns) of the three key oxides; results showed a definite gradation in response which diminishes with decreasing dosages of the administered oxide. Investigations on motor exhaust products show that some samples have chemical, physical, and toxicological properties similar to the beryllium oxide calcined at 1600 C. On the other hand, other samples are heterogeneous, contain considerable quantities of water-soluble beryllium, and vary in toxicity. The mechanism of toxic action of beryllium oxide was investigated through study of chemical and physical properties, solubility and adsorption studies, serum electrophoretic analyses, and immunological experiments. Suggestions are made for further studies. (Author).
Book Synopsis Toxicological Profile for Beryllium by :
Download or read book Toxicological Profile for Beryllium written by and published by . This book was released on 2002 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beryllium and Beryllium Compounds by : Robert M. Bruce
Download or read book Beryllium and Beryllium Compounds written by Robert M. Bruce and published by . This book was released on 2001 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this volume are assessed the risks to human health and the environment of Beryllium, found in the earth's crust at an average concentration of approximately 2.8-5.0 mg/kg. Beryllium-containing minerals are processed to beryllium metal, beryllium alloys, and beryllium oxide for use in aerospace, weapons, nuclear and electronics industries. The general population is exposed to beryllium primarily in food and drinking-water, with smaller contributions from air and incidental ingestion of dust. There are no human studies addressing the toxicokinetics of beryllium or beryllium compounds; however, beryllium has been found in the lungs and urine of non-occupationally exposed individuals. There are no reliable data on the oral toxicity of beryllium in humans. The lungs are the primary target of inhalation exposure to beryllium in animals and humans. Short-term or repeated exposures of humans to beryllium or its compounds can result in an acute or chronic form of lung disease. Increases in lung cancer mortality were observed in cohort mortality studies of beryllium processing workers.
Book Synopsis Beryllium Health and Safety Guide by : International Labour Organisation
Download or read book Beryllium Health and Safety Guide written by International Labour Organisation and published by . This book was released on 1990 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the WHO for the International Programme on Chemical Safety (a collaborative programme of the UNEP, ILO, and the WHO). This is a companion volume to Environmental Health Criteria 106: Beryllium
Book Synopsis Toxicity and Other Hazards of Beryllium and Rocket Propellants by :
Download or read book Toxicity and Other Hazards of Beryllium and Rocket Propellants written by and published by . This book was released on 1959 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Outline of a Beryllium Program by :
Download or read book An Outline of a Beryllium Program written by and published by . This book was released on 1948 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Managing Health Effects of Beryllium Exposure by : National Research Council
Download or read book Managing Health Effects of Beryllium Exposure written by National Research Council and published by National Academies Press. This book was released on 2008-09-29 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beryllium is a lightweight metal that is used for its exceptional strength and high heat-absorbing capability. Beryllium and its alloys can be found in many important technologies in the defense and aeronautics industries, such as nuclear devices, satellite systems, radar systems, and aircraft bushings and bearings. Pulmonary disease associated with exposure to beryllium has been recognized and studied since the early 1940s, and an occupational guideline for limiting exposure to beryllium has been in place since 1949. Over the last few decades, much has been learned about chronic beryllium disease and factors that contribute to its occurrence in exposed people. Despite reduced workplace exposure, chronic beryllium disease continues to occur. Those developments have led to debates about the adequacy of the long-standing occupational exposure limit for protecting worker health. This book, requested by the U.S. Air Force to help to determine the steps necessary to protect its workforce from the effects of beryllium used in military aerospace applications, reviews the scientific literature on beryllium and outlines an exposure and disease management program for its protecting workers.
Book Synopsis Toxicity of Beryllium Compounds by : Lloyd B. Tepper
Download or read book Toxicity of Beryllium Compounds written by Lloyd B. Tepper and published by . This book was released on 1961 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Beryllium written by Kevin Ashley and published by ASTM International. This book was released on 2006 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beryllium Poisoning by : Harriet Louise Hardy
Download or read book Beryllium Poisoning written by Harriet Louise Hardy and published by . This book was released on 1950 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Society of Mechanical Engineers Publisher :Institute of Electrical & Electronics Engineers(IEEE) ISBN 13 : Total Pages :168 pages Book Rating :4.3/5 (91 download)
Book Synopsis The Beryllium Oxide Manufacturing Process by : American Society of Mechanical Engineers
Download or read book The Beryllium Oxide Manufacturing Process written by American Society of Mechanical Engineers and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 2002 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The approved mission for the Beryllium Manufacturing Facility (BeMF) is to protect worker health and safety while providing capability for manufacturing BeO parts and components to support the enduring stockpile weapon systems for the near future. Current BeO manufacturing facilities at the U.S. Department of Energy (DOE) rely primarily on administrative controls to protect worker health and safety. The BeMF must: 1)maintain the production campability; and 2)provide the rigorous worker protection required by DOE Regulations dealing with the Chronic Beryllium Disease Prevention Program. top of page Accordingly, the new facility is deemed critical to the national defense because of its role in supporting the Stockpile Stewardship Program as carried out through Stockpile Life Extension Programs. When validated, the BeMF must meet the needs for BeO parts in support of the SMCP as required by the Special Materials Capabilities Program Requirements Document (PRD) of the DOE. The BeMF must comply with the latest DOE Chronic Beryllium Disease Prevention Program by using state-of-the-art equipment facilities. The detailed production requirements, schedules, and interface projects to meet BeO needs stated in the PRD are described in the SMCP Program Implementation Plan for beryllium manufacturing, DOE?ORO-2114. top of page
Author :Committee on Curriculum Development in Environmental Medicine Publisher :National Academies Press ISBN 13 :0309568722 Total Pages :988 pages Book Rating :4.3/5 (95 download)
Book Synopsis Environmental Medicine by : Committee on Curriculum Development in Environmental Medicine
Download or read book Environmental Medicine written by Committee on Curriculum Development in Environmental Medicine and published by National Academies Press. This book was released on 1995-05-12 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt: People are increasingly concerned about potential environmental health hazards and often ask their physicians questions such as: "Is the tap water safe to drink?" "Is it safe to live near power lines?" Unfortunately, physicians often lack the information and training related to environmental health risks needed to answer such questions. This book discusses six competency based learning objectives for all medical school students, discusses the relevance of environmental health to specific courses and clerkships, and demonstrates how to integrate environmental health into the curriculum through published case studies, some of which are included in one of the book's three appendices. Also included is a guide on where to obtain additional information for treatment, referral, and follow-up for diseases with possible environmental and/or occupational origins.
Book Synopsis The Determination of Sulfur in Beryllium Oxide and Sintered Beryllium Oxide Fuel Elements by : Walter G. Boyle (Jr.)
Download or read book The Determination of Sulfur in Beryllium Oxide and Sintered Beryllium Oxide Fuel Elements written by Walter G. Boyle (Jr.) and published by . This book was released on 1963 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beryllium Research and Development Program by :
Download or read book Beryllium Research and Development Program written by and published by . This book was released on 1964 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acute Toxicity of Inhaled Beryllium by : Robert H. Hall
Download or read book Acute Toxicity of Inhaled Beryllium written by Robert H. Hall and published by . This book was released on 1951 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
