Beryllium can be harmful if it is inhaled, depending on how much beryllium one inhales and how long the exposure lasts. "If beryllium air levels are high enough (greater than 1000 µg/m3), an acute condition can result. This condition resembles pneumonia and is called acute beryllium disease."[6]. Individuals who are sensitive to beryllium can develop an inflammatory reaction in the respiratory system. This is called chronic beryllium disease (CBD), and can occur many years after exposure to higher than normal levels of beryllium (greater than 0.5 µg/m3). "This disease can make you feel weak and tired, and can cause difficulty in breathing. It can also result in anorexia, weight loss, and may also lead to right side heart enlargement and heart disease in advanced cases. Some people who are sensitized to beryllium may not have any symptoms. The general population is unlikely to develop acute or chronic beryllium disease because ambient air levels of beryllium are normally very low ...
Objective: Tumor necrosis factor-alpha (TNF-alpha) is a potent cytokine involved in normal immune functions. The aim of this study was to investigate if there is an association between chronic beryllium disease or beryllium sensitization and two variants of the TAT-a gene located at -308 and -238 called TNF-alpha-308*02 and TNF-alpha-238*02. Methods: TNF-alpha-308 and TNF-alpha-238 genotyping was
Beryllium nitrate, also known as beryllium dinitrate, is an ionic beryllium salt of nitric acid with the chemical formula Be(NO3)2. Each formula unit is composed of one Be2+ cation and two NO3− anions. Beryllium nitrate is a toxic chemical, like all other beryllium compounds. It is also an irritant in small doses. When burned, it gives off irritating or toxic fumes. However, when massive short-term exposure occurs, acute pneumonitis can set in, but symptoms do not manifest themselves for 3 days. Beryllium nitrate can be prepared by reacting beryllium hydroxide in nitric acid. s "NIOSH Pocket Guide to Chemical Hazards #0054". National Institute for Occupational Safety and Health (NIOSH). "Beryllium Nitrate (ICSC)". IPCS INCHEM. Retrieved 13 September 2010. Walsh, Kenneth (2009). Beryllium chemistry and processing. ASM International. pp. 121-122. ISBN 978-0-87170-721-5. Retrieved 3 January 2011 ...
The Occupational Safety and Health Administration (OSHA) recently issued a final rule modifying a 40-year-old standard pertaining to exposure to beryllium and beryllium compounds. It contains new requirements for general, construction and shipyard industries. Similar to the recent changes to crystalline silica regulations, the rule is anticipated to save lives and protect workers from serious illnesses. Beryllium and beryllium compounds are lightweight, extremely strong metals used in the aerospace, electrical, energy, telecommunications, medical and defense fields. Beryllium-copper alloys are frequently used for their electrical and thermal conductivity as well as their hardness. Beryllium oxide is used as a component in ceramics for electronics and other electrical equipment because of its heat conductivity, high strength, hardness and electrical insulating properties. Unfortunately, beryllium is highly toxic when inhaled. Inhaling airborne beryllium can result in a lung condition known as ...
Chronic Beryllium Disease (CBD) primarily affects the lungs. CBD may occur among dental laboratory technicians when they inhale dust containing beryllium when working on items such as dental crowns, bridges, and partial denture frameworks made from dental alloys containing beryllium. CBD may develop within months after initial exposure to beryllium or may have a very slow onset and not develop until years after exposure to beryllium has occurred. The amount or length of exposure to beryllium necessary to cause a specific individual to develop CBD is not known, but recent information suggests that even short exposures (weeks or months) to levels of beryllium below OSHAs PEL of 2 μg/m3 averaged over an 8-hour day may lead to CBD in some workers (Source: OSHA). ...
People working or living near beryllium industries have the greatest potential for exposure to beryllium. Lung damage has been observed in people exposed to high levels of beryllium in the air. About 1-15% of all people occupationally-exposed to beryllium in air become sensitive to beryllium and may develop chronic beryllium disease (CBD), an irreversible and sometimes fatal scarring of the lungs. CBD may be completely asymptomatic or begin with coughing, chest pain, shortness of breath, weakness, and/or fatigue. Beryllium has been found in at least 535 of the 1,613 National Priorities List sites identified by the Environmental Protection Agency (EPA).
Exposure to beryllium can occur when cutting, torching, or welding of the materials listed above. Employees who torch or weld these materials run the greatest risk of exposure. Workers are primarily exposed to beryllium by breathing in dusts, fumes, or mists containing beryllium. Beryllium compounds can also get on the skin, contaminate clothing or food, and be ingested.. Employers must assess employee exposures to beryllium. That includes determining if material being received at the recycling facility contains beryllium. If it does then the employer must determine if dust, fumes, or mists are being created in the processing of the beryllium scrap. This can be done by monitoring employees and areas for in a manner similar to monitoring for other hazardous metals such as lead or cadmium.. Employers must establish and maintain a regulated area if employees are, or can reasonably be expected to be, exposed to airborne beryllium at levels above the listed TWA PEL or STEL in that work area. ...
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Federal Register Volume 84, Number 189 (Monday, September 30, 2019)] [Rules and Regulations] [Pages 51377-51400] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2019-21037] ======================================================================= ----------------------------------------------------------------------- DEPARTMENT OF LABOR Occupational Safety and Health Administration 29 CFR Parts 1915 and 1926 [Docket No. OSHA-H005C-2006-0870] RIN 1218-AD21 Occupational Exposure to Beryllium and Beryllium Compounds in Construction and Shipyard Sectors AGENCY: Occupational Safety and Health Administration (OSHA), Labor. ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: OSHA is finalizing the proposed rule on occupational exposure to beryllium and beryllium compounds in construction and shipyards by delaying the compliance deadlines for nearly all provisions of the standards to September 30, 2020. The ...
Synopsis of Global Beryllium Copper Market 2017 Research Report. The report about Global Beryllium Copper Market 2017 constitutes of pervasive fundamental research along with a structured analysis of qualitative as well as quantitative facet by assorted industry connoisseurs and main opinion leaders to gain a profound insight of the market and industry performance.. The report "Global Beryllium Copper Market 2017" gives a clear sight of the present-day market scenario which comprises of historical and estimated forthcoming market size on the basis of technological growth, value and volume, prominent economic and governing elements in the market.. Do Inquiry Before Accessing Global Beryllium Copper Market 2017 Report at: https://market.biz/report/global-beryllium-copper-market-icrw/83388/#inquiry. The report "Global Beryllium Copper Market 2017" further imparts detail information about approaches and tactics used by elite key players in the Beryllium Copper industry. It also gives an extensive ...
To investigate the effects of short-term exposure of beryllium on the human immune system, the proportion of T-lymphocytes such as CD3+, CD4+, CD8+, CD95, and NK cells, andthe proportion of B cells and TNFα level in peripheral blood and immunoglobulins in the serum of 43 exposed workers and 34 healthy control subjects were studied. External exposure to beryllium was measured by atomic absorption spectrometer as recommended by the NIOSH analytical method 7300. T lymphocyte subpopulation analysis was carried out with flow cytometer. The working duration of exposed workers was less than 3 months and the mean ambient beryllium level was 3.4 μg/m(3), 112.3 μg/m(3), and 2.3 μg/m(3) in molding (furnace), deforming (grinding), and sorting processes, respectively (cited from Kim et al., 2008). However, ambient beryllium level after process change was non-detectable (| 0.1 μg/m(3)). The number of T lymphocytes and the amount of immunoglobulins in the beryllium-exposed workers and control subjects were not
DOE describes Hanford as the worlds largest environmental remediation project. In addition to the remnants of nine plutonium reactors, Hanford holds 4.6 million pounds of irradiated uranium fuel rods and 53 million gallons of radioactive waste buried in underground tanks, some of which have leaked into the groundwater and are moving toward the Columbia River. Radiation has long been the dean of hazards at nuclear cleanup sites, but in April 2009, the Hanford Advisory Board, a group chartered by DOE that includes current and former Hanford workers, medical specialists, environmental and worker-safety advocates, and local government officials, wrote a letter advising the department that from a worker safety perspective ... beryllium currently rates as a greater hazard than radiation. The letter included a disquieting calculation: Studies have found that between 2 percent and 6 percent of people exposed to beryllium will become sensitized or develop CBD. At the time of the letter, 115 of 4,583 ...
We read with great interest the Letter to the Editor by Newman and colleagues(1) in response to our article entitled Industries in the United States with Airborne Beryllium Exposure and Estimates of the Number of Current Workers Potentially Exposed.(2) We commend the authors of the letter for raising a number of issues that, while clearly beyond the scope of our article, are relevant to the heal
PITTSBURGH, June 23, 2017 - The United Steelworkers (USW) today blasted the Administrations proposal to cancel important protections for shipyard and construction workers exposed to beryllium. Under the proposal OSHA released this morning, employers would no longer have to measure beryllium levels in the workplace or provide medical testing to workers at risk of fatal lung disease. In addition, workers would not have the right to wear protective clothing or to shower at the end of the work shift, making it possible for beryllium to be taken home and exposed to spouses and children. Beryllium is a highly useful metal, but it can cause a crippling and sometimes fatal disease that ultimately robs sufferers of the ability to breathe. OSHA issued new beryllium standards in January covering workers in all industries. Todays proposal eliminates most of the provisions covering the maritime and construction industries. The USW has members in both industries, including workers at the Newport News ...
The first problem was one I was handed sort of on a silver platter when I went to the Mass General Hospital in Boston. I was in the department of medicine at Harvard was located at Mass General Hospital in the Huntington laboratories. The Chief of the laboratory, Dr. Joseph Aub who is a world known physician told me about beryllium and the fact that beryllium was causing very severe illness in women who were working in factories to remove the phosphors from inside fluorescent lamp bulbs. They wanted to retrieve the phosphors. One of the key ingredients in the phosphor was beryllium, the metal beryllium. Its the lightest metal with an atomic weight of 9.I think thats right. Its long time ago.. It caused some interesting effects that the scientists have studied, mainly if injected into rabbits it caused bad bone tumors. If it was injected into-well, these women who were scrubbing out the tubes died, almost all of them of severe pulmonary disease as a result of breathing in the beryllium. So he ...
Summary of lung function and beryllium exposure of case 2. (A) Results of pulmonary function tests before, during, and after acute work-related illness. (B) TWA
United States Beryllium Aluminum Alloy Industry 2016 Market Research Report is a new market research publication announced by Reportstack. This report is a professional and in-depth study on the current state of the Beryllium Aluminum Alloy industry.. The report provides a basic overview of the industry including definitions, classifications, applications and industry chain structure. The Beryllium Aluminum Alloy market analysis is provided for the United States markets including development trends, competitive landscape analysis, and key regions development status.. Development policies and plans are discussed as well as manufacturing processes and Bill of Materials cost structures are also analyzed. This report also states import/export consumption, supply and demand Figures, cost, price, revenue and gross margins.. To access full report with TOC, please visit United States Beryllium Aluminum Alloy Industry 2016 Market Research Report. The report focuses on United States major leading industry ...
Press Release issued Jul 21, 2017: The purpose of Global Beryllium Oxide (BeO) Powder Market report is to provide the newest industry data and Beryllium Oxide (BeO) Powder industry future trends, allowing consumers to identify the Beryllium Oxide (BeO) Powder market Application, Type, Manufacturers and Regions, Beryllium Oxide (BeO) Powder market Forecast up to 2022.
We report the formation of beryllium doped plasma polymerized coatings derived from a helical resonator deposition apparatus, using diethylberyllium as the organometaric source. These coatings had an appearance not unlike plain plasma polymer and were relatively stable to ambient exposure. The coatings were characterized by Inductively Coupled Plasma Mass Spectrometry and X-Ray Photoelectron Spectroscopy. Coating rates approaching 0.7 {mu}m hr{sup {minus}1} were obtained with a beryllium-to-carbon ratio of 1:1.3. There is also a significant oxygen presence in the coating as well which is attributed to oxidation upon exposure of the coating to air. The XPS data show only one peak for beryllium with the preponderance of the XPS data suggesting that the beryllium exists as BeO. Diethylberyllium was found to be inadequate as a source for beryllium doped plasma polymer, due to thermal decomposition and low vapor recovery rates.
Analytical techniques have been developed for the determination of carbon in high-purity beryllium. The method, a modification of the combustion-conductometric technique, permits an increase in the sample size of about four times, thereby achieving a fourfold reduction in the lower limit of useful analytical results. Sensitivity has been demonstrated for carbon contents as low as 25 ppm. The accuracy of a solution distillation technique for determination of nitrogen in high-purity beryllium has been established. A modified micro-Kjeldahl still was employed. Nitrogen contents less than 10 ppm can be accurately determined. Three batches of beryllium weighing roughly 5 pounds each have been prepared. Each batch was attritioned, sized and blended to provide a homogeneous material for analytical standards. These standards, in the form of coarse chips, have the following carbon and nitrogen contents for the 3 standards in parts per million, respectively: carbon, 25, 101, and 120 and nitrogen, 11, 55,
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Los Alamos National Laboratory announced Wednesday it is notifying nearly 2,000 current and former employees and visitors that they may have been exposed to beryllium in the lab and may be at risk of disease.
On January 9, 2017, OSHA published a final rule amending its standards for occupational exposure to beryllium and beryllium compounds. United States Employment and HR Arnold & Porter 26 Jan 2017
The question of whether the federal government has been at fault for the deaths and injuries of American beryllium workers will be the subject of a formal investigation by the General Accounting Office, the investigative arm of Congress.. The order to GAO to study the hazards of beryllium, a metal used by the Department of Defense and the Department of Energy because of its light weight and strength in the manufacture of weapons, came from a bipartisan group of eight members of Congress.. Led by Sen. Mike DeWine (R., O.), the ad hoc coalition includes Sens. John McCain (R., Ariz.) and Robert Bennett (R., Utah); and Reps. Marcy Kaptur (D., Toledo), Chris Shays (R., Conn.), Jim Kolbe (R., Ariz.), Tim Holden (D., Pa.), and Paul Kanjorski (D., Pa.).. Mr. DeWine began the call for a GAO investigation in April and has since been organizing and collecting support from colleagues. He said his actions were sparked by a series in The Blade that detailed a decades-long pattern of the U.S. government ...
Beryllium coatings with varying thicknesses and columnar grain sizes were deposited by low temperature magnetron sputtering and wet chemically etched to enhance diffuse absorption of light. After etching these coatings exhibited a matte black surface finish and low specular reflectance (below 2%) in the IR up to a critical wavelength dependent upon the original grain size of the coating. Extremely thick coatings (350 µm) with original grain sizes of 10 to 12 µm were produced which exhibited specular reflectances below 0.5% up to 50 µm wavelength and a Lambertian BRDF at 10.6 µm averaging 4.3x10-3 ster-1. Scanning electron micrographs are presented for etched and unetched beryllium coatings which showed the etching process produces roughness and porosity over several size scales simultaneously with the maximum size scale limited by the initial coating grain size and thickness. This technique for producing diffuse absorbing baffle materials has great versatility in choice of coating material and
With an atomic number of 4, beryllium has four electrons: two electron shells surround the atoms nucleus and two electrons in each shell. Beryllium is a rigid metal with an atomic mass of 9.0122. It...
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The extraction of beryllium has been carried out in the presence of butyric acid. Of the solvents tried, viz., ether, benzene, chloroform, amyl acetate, ethyl acetate and carbon tetrachloride, chloroform is found to be the best, ethyl acetate being the next. 30.7 mg of BeO in solution as chloride is raised to a pH of 9.3 to 9.5 to which 10-15 ml of butyric acid is added. Four extractions with chloroform extract 99% of beryllium. ...
Methods Quantitative area- and breathing-zone-based exposure measurements of airborne beryllium were made between 1953 and 2006 and used by plant personnel to estimate daily weighted average (DWA) exposure concentrations for sampled departments and operations. These DWA measurements were used to create a JEM with 18 exposure metrics, which was linked to the plant cohort consisting of 18 568 unique job, department and year combinations. The exposure metrics ranged from quantitative metrics (annual arithmetic/geometric average DWA exposures, maximum DWA and peak exposures) to descriptive qualitative metrics (chemical beryllium species and physical form) to qualitative assignment of exposure to other risk factors (yes/no). Twelve collapsed job titles with long-term consistent industrial hygiene samples were evaluated using regression analysis for time trends in DWA estimates. ...
Ending decades of denial and inaction, the federal government has issued a tough new exposure standard for people who work with the toxic metal beryllium.
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LORAIN -- A city councilwoman who fought for more than a year to ban a controversial substance within city limits said she now can rest easier. A representative from Brush Wellman Inc. signed a voluntary agreement with the city on Wednesday, stating that the companys bronze engineering plant in the Lorain would not produce, store or manufacture beryllium.. Beryllium, a compound used as an alloy with other metals in the defense, electronics and automotive industry, has been known to cause chronic and fatal lung disease if its dust is inhaled during its manufacturing process.. State and federal laws regulate the production of beryllium. But the compound earned a reputation locally at the former Brush Beryllium plant on West First Street in Lorain during the 1930s and 40s. Several workers there and residents living near the plant at the time became ill and died, according to a study completed in 1944.. City Councilwoman Kathy Tavenner, D-at large, had fought for the past 15 months to get Council ...
Beryllium copper springs are cold rolled and may be mill hardened before fabrication. Good corrosion resistance and electrical conductivity.
Products by element - Beryllium, include metal, alloy, compounds and fabrication products like sputtering targets etc. from ALB Materials Inc. - Page Total 1 Page 5 Records
This invention recognizes the hazards of beryllium and beryllium oxide in automotive applications and offers alternative material solutions. In particular, commercial electrochromic mirrors use beryllium comprising alloys for busbars and may also use beryllium oxide for the electronics used to power and control these mirrors. Further, this can be combined by reducing other known hazards such as mercury, cadmium, lead and antimony compounds.
QUEBEC CITY, QUEBEC--(Marketwire - March 31, 2010) - Nemaska Exploration Inc. («Nemaska» or «the Corporation») (TSX VENTURE:NMX) is pleased to announce that the most recent results from its current drill program on its lithium/beryllium (Whabouchi project, 100 % owned) continues to prove the high-grade, impressive width and continuity of the mineralized zone. Nemaska has received an additional 1,057 results from 15 holes. The latest results include 52.3 m at 1.85% Li2O, 165 ppm Be and 1579 ppm Rb and 22.8 m at 1.91 % Li2O, 130 ppm Be and 1503 ppm Rb.. «I am very pleased with the grade and width of our drill results to date which favourably compare to any other spodumene bearing pegmatite project currently in development around the world», commented Mr. Guy Bourassa, President and CEO. «The current drilling should be completed by mid-April, allowing us to finalize the resource calculation presently underway. I am also pleased to see that the Be and Rb grades remain constant throughout the ...
Beryllium dating is used to estimate the time a rock has been exposed on the surface of the Earth, as well as erosion and sedimentation rates.. Beryllium-10 is another cosmogenic nuclide. Like carbon-14, most of it is formed in the earths upper atmosphere. After formation, beryllium-10 binds to atmospheric dust particles or dissolves in atmospheric water vapor. It is transported to earth surface in rain so consequently it has a much shorter atmospheric residence time than carbon-14. It accumulates on the earths surface and depending upon the sedimentation regime in the local environment, it can be used to date surface accumulation rates, surface erosion rates, or for dating layers within ice cores. Its half-life is 1.39 million years.. Vanishingly small amounts of beryllium-10, carbon-14 and aluminum-26 are also created at the earths surface. The creation occurs within minerals the upper meter of rocks exposed directly to the sky. If rocks are undisturbed for millennia, differences in the ...
Pittsburgh Post-Gazette editorial urging exposure standards for all workers who could be exposed to beryllium in their jobs. (December 15, 1999) ...
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The report on Beryllium Oxide (BeO) Powder Market offers a complete analysis of the market. This was achieved with the help of the chronological data that was collected, the exhaustive qualitative insights, and the statistical data of the market. Thorough studies and researches were conducted and reliable methodologies were used to verify the data that was collected. Industrial experts were consulted and their opinions were taken into consideration while making studies of the market.. Primary researches were made which include surveys, opinions of seasoned analysts, and interviews. For collecting and verifying the data, the use of secondary researches was also made which includes reputable paid sources, industry body databases, entails, and trade journals. Both qualitative and quantitative assessments were made across different industrial aspects and market verticals.. Analysis of different trends that is prevailing in the market was made. The segmentation of the market was included. Studies of ...
This report studies sales (consumption) of Global Beryllium Oxide (BeO) Powder Market, especially in United States, China, Europe and Japan, focuses on top...
Quantum molecular dynamics study of expanded beryllium: evolution from warm dense matter to atomic fluid.: By performing quantum molecular dynamics (QMD) simula
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Beryllium nitride, also called triberyllium nitride, is the chemical compound with the molecular formula Be3N2 and a molar mass is 55.06 grams per mole. It is a yellow-white powder at standard...
Berylliums role in the SSGCID will include gene construction and expression testing in bacterial and cell-free systems, large-scale protein production and purification; crystallization screening and production, pre-screening of crystals before they are sent for data collection at the synchrotron beam-lines, and structure determination using the resulting data.
The heat treatment of corundum involving lattice diffusion of beryllium (Be) at temperatures over 1800°C has become a major issue in the gem trade.
This report analyzes the worldwide markets for Beryllium in Kilograms by the following End-Use Segments: Telecom Infrastructure/Computing, Electric Equipment
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To see a rotating video of (almost) any of the samples of Beryllium from The Elements, click it below. Links will open in a new window ...