primary beryllium detailed

Safety and Health Topics Beryllium - Health Effects ...

SafetySymptomsOverviewPurposeOperationDiagnosisQualificationBenefitsAssessmentResultsTreatmentResourcesExposure to beryllium via inhalation of airborne beryllium or skin contact with beryllium-containing dust, fume, mist, or solutions can cause health effects. Under OSHAs beryllium standards (29 CFR 1910.1024; 29 CFR 1915.1024; 29 CFR 1926.1024) employers must reduce exposures to airborne beryllium to or below the beryllium PELs through engineering controls to the extent feasible, supplemented by respirators where all feasible controls are not sufficient to reduce exposures to or below the PELs. In ad

Beryllium - Wikipedia

Beryllium sulfide, selenide and telluride are known, all having the zincblende structure. Beryllium nitride, Be 3 N 2 is a high-melting-point compound which is readily hydrolyzed. Beryllium azide, BeN 6 is known and beryllium phosphide, Be 3 P 2 has a similar structure to Be 3 N 2.

Pronunciation: /bəˈrɪliəm/ ​(bə-RIL-ee-əm)

Beryllium

partnership with the leading U.S. beryllium producer to build a new $90.4 million primary beryllium facility in Ohio. Construction of the facility was completed in 2011. The startup activities of the new facility continued throughout 2012, and the facility produced a small, nonproduction-level quantity of pure beryllium metal.

CDC - Beryllium Research- NIOSH Workplace Safety and ...

Beryllium Research Highlights is a series of newsletters written for current and former workers in the beryllium production industry who participated in our beryllium research program with the primary beryllium producer in the U.S. These newsletters provide information to study participants about completed studies, current research findings ...

Safety Practices for Machining Copper Beryllium Alloys ...

Copper beryllium machining equipment and associated support systems (e.g., dust collectors, heat treat furnaces, ... Detailed procedures for safely maintaining the process equipment and ventilation systems should be developed. ... Air monitoring is the primary method for determining the degree of exposure and effectiveness of engineering and

Development Document for Effluent Limitations Guidelines ...

This involved a detailed analysis of wastewater discharge and treated effluent characteristics, including the sources and volumes of water used, the processes used, the sources of pollutants and wastewaters in the plant, and the constituents of wastewaters including priority pollutants. ... ----- PRIMARY BERYLLIUM SUBCATEGORY SECT - II (b ...

Safety and Health Topics Beryllium Occupational Safety ...

CharacteristicsUsesRisksIndustryThe element beryllium is a grey metal that is stronger than steel and lighter than aluminum. Its physical properties of great strength-to-weight, high melting point, excellent thermal stability and conductivity, reflectivity, and transparency to X-rays make it an essential material in the aerospace, telecommunications, information technology, defense, medical, and nuclear industries. Beryllium is classified as a strategic and critical material by the U.S. Department of Defense. In 2014, the U.S. prod

Defense Production Act Title III project establishes ...

Sep 17, 2013  A detailed marketing plan was also prepared which assessed and verified the military and commercial market demand for primary beryllium. During the second phase, from 2008 to 2012, the team executed the detailed EDP to establish the infrastructure, facilities, and install equipment necessary to operate a primary beryllium reduction facility.

Middough - chemical

Brush Wellman has retained Middough to design a new $90+ million facility that will produce primary beryllium, the feedstock material used to produce beryllium metal products. The new facility represents a key step toward the return of a sustainable domestic supply, critical to the nation’s strategic interests.

Corson Feldspar Mine Near Nottingham, New Hampshire The ...

The Corson Feldspar Mine is near Nottingham, New Hampshire. Historically the site has been part of the Raymond Area. The Corson Feldspar Mine was closed at the time of

Development Document for Effluent Limitations Guidelines ...

This involved a detailed analysis of wastewater discharge and treated effluent characteristics, including the sources and volumes of water used, the processes used, the sources of pollutants and wastewaters in the plant, and the constituents of wastewaters including priority pollutants. ... ----- PRIMARY BERYLLIUM SUBCATEGORY SECT - II (b ...

Beryllium - s3-us-west-2.amazonaws

Primary beryllium facilities, the last of which closed in the United States in 2000, traditionally produced the feedstock used to make beryllium metal products. Because of the toxic nature of beryllium, various international, national, and State guidelines and regulations have been established regarding beryllium in air, water, and other media.

Beryllium safety discussed in three-day workshop - ITER

Beryllium, used in the plasma-facing first wall of the ITER blanket, must be managed through a detailed beryllium safety program. From 28 to 30 June, representatives of beryllium suppliers, manufacturers and users shared their experience with the ITER Organization and the Domestic Agencies responsible for components containing beryllium.

Materion Natural Resources Performance Alloys

Since 1969, Materion’s mill in Delta, Utah, has processed two types of ore to extract beryllium – the locally mined bertrandite ore and beryl ore imported from various suppliers. For 50 years, Materion and its predecessor companies have been leading suppliers of the beryllium industry’s primary feedstock, high-quality beryllium hydroxide.

BERYLLIUM HISTORY AND PUBLIC POLICY

The Beryllium Worker Protection Model is very similar to the successful exposure control model used at the Atomic Weapons Establishment facility in Cardiff Wales as described by Johnson (2001). Brush Wellman's Beryllium Worker Protection Model 14 is a comprehensive and multifaceted approach for reducing occupational exposure to beryllium ...

OSHA INFOSHEET - truabrasives

OSHA INFOSHEET How do you know you are working with and are potentially exposed to beryllium? Beryllium (Be) is a lightweight naturally occurring ... primary beryllium, ceramics, composites, and alloy manufacturing and recycling, or machining ... to Beryllium, provides more detailed information

Development Document for Effluent Limitations Guidelines ...

----- DEVELOPMENT DOCUMENT for EFFLUENT LIMITATIONS GUIDELINES AND STANDARDS for the NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY VOLUME VII Primary Beryllium Primary Nickel and Cobalt Secondary Nickel Secondary Tin William K. Reilly Administrator Rebecca Hanmer, Acting Assistant Administrator for Water Martha Prothro, Director Office of Water

Beryllium's Public Relations Problem: Protecting Workers ...

The beryllium producers decided to take a proactive approach to shaping the interpretation of the literature on the health effects of beryllium. Aspects of the program were detailed in a 1987 internal Brush Wellman memo, with the subject line: “Proposed program for filling need for new and accurate beryllium health and safety literature.”

SIC Code 3339 - Primary Smelting and Refining of ...

Establishments primarily engaged in smelting and refining nonferrous metals, except copper and aluminum. Snapshot. SIC Code 3339 - Primary Smelting and Refining of Nonferrous Metals, except Copper and Aluminum is a final level code of the “Manufacturing” Division. There are 355 companies classified in this industry in the USA with an estimated employment of 14,797 people.

Thermonuclear weapon - Wikipedia

A thermonuclear weapon, or fusion weapon (generally called a hydrogen bomb), is a second-generation nuclear weapon design.Its greater sophistication affords it vastly greater destructive power than first-generation atomic bombs, a more compact size, a lower mass or a combination of these benefits.Characteristics of nuclear fusion reactions make possible the use of non-fissile depleted

New High Heat load Beamline Components for the ESRF

load causes critical problems on the following components: primary slits, attenuators, windows, x-ray mirrors, and monochromators. New developments concerning HP Primary slits, HP attenuators, and an analysis concerning beryllium windows, are detailed in the following paragraphs. Table 1: Power Density Delivered by Typical ESRF Undulators

Federal and NJ State Primary and Secondary Drinking Water ...

Federal and NJ State Primary and Secondary Drinking Water Standards as of September 2018 ... 1,4- Dichlorobenzene 75 Beryllium 4 Atrazine 3 1,1-Dichloroethane 50* Cadmium 5 Benzo[a]pyrene 0.2 1,2 ... For a detailed explanation of the Safe Drinking Water Program, refer to the Federal Parts 141, 142, 143] and the New Jersey ...

Beryllium - Element information, properties and uses ...

Beryllium is a silvery-white, lustrous, relatively soft metal of group 2 of the periodic table. The metal is unaffected by air or water, even at red heat. When copper and nickel are alloyed with beryllium they not only become much better at conducting electricity and heat, but they display remarkable elasticity.

ATSDR - Public Health Statement: Beryllium

Jan 21, 2015  Beryllium is an element that occurs naturally. It is present in a variety of materials, such as rocks, coal and oil, soil, and volcanic dust. Two kinds of mineral rocks, bertrandite and beryl, are mined commercially for the recovery of beryllium. Very pure gem™quality beryl is better known as either aquamarine (blue or blue-green) or emerald (green).

Federal and NJ State Primary and Secondary Drinking Water ...

Federal and NJ State Primary and Secondary Drinking Water Standards as of September 2018 ... 1,4- Dichlorobenzene 75 Beryllium 4 Atrazine 3 1,1-Dichloroethane 50* Cadmium 5 Benzo[a]pyrene 0.2 1,2 ... For a detailed explanation of the Safe Drinking Water Program, refer to the Federal Parts 141, 142, 143] and the New Jersey ...

Beryllium - Element information, properties and uses ...

Beryllium is a silvery-white, lustrous, relatively soft metal of group 2 of the periodic table. The metal is unaffected by air or water, even at red heat. When copper and nickel are alloyed with beryllium they not only become much better at conducting electricity and heat, but they display remarkable elasticity.

Slocum Beryllium Prospect Near Moodus, Connecticut The ...

The Slocum Beryllium Prospect is near Moodus, Connecticut. Historically the site has been part of the East Haddam Mining District. The Slocum Beryllium Prospect was closed at the time of data entry with no known plans to re-open.

Heat Treating Copper Beryllium

Conductivity Copper Beryllium alloys are detailed in the following sections. High Strength Wrought Copper Beryllium (Alloys 25, M25, and 165) Age hardening temperatures for high strength wrought copper beryllium varies from 500°F (260°C) to 700°F (370°C). The time required to reach peak properties at the lower temperature is longer than at ...

Chronic Beryllium Disease Conditions Treatments UCSF ...

In making a diagnosis of chronic beryllium disease, your doctor will start by taking a detailed medical and occupational history and conducting a thorough medical examination. This will help determine if you have been exposed to any toxic substances that may have

Exposure Assessment - Managing Health Effects of Beryllium ...

The committee has reviewed the literature describing exposure to beryllium to provide a basis for examining questions relevant to the identification of exposure-response relationships and the development of health-protection standards. Worker-protection standards are the focus of this effort, but an understanding of natural background exposures and anthropogenic exposures in various settings ...

Possible health risks from low level exposure to beryllium ...

Possible health risks from low level exposure to beryllium. ... since they were employed in administrative functions rather than primary beryllium operations. In conjunction with other health surveillance programs, a questionnaire and interview are administered to obtain detailed work and health histories. ... ELSEVIER Toxicology 111 (1996) 213 ...

Beryllium in Drinking-water

weapons manufacturing. Beryllium oxide is used for some ceramic applications, principally in electronics and microelectronics. The primary source of beryllium compounds in water appears to be release from coal burning, and other industries using beryllium. Only a few beryllium compounds are soluble and beryllium is

2 Exposure Assessment - The National Academies Press

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

Occupational Exposure to Beryllium and Beryllium Compounds ...

----- SUMMARY: The Occupational Safety and Health Administration (OSHA) proposes to amend its existing exposure limits for occupational exposure in general industry to beryllium and beryllium compounds and promulgate a substance-specific standard for general industry regulating occupational exposure to beryllium and beryllium compounds.

3, 1990 ENVIRONMENTAL PROTECTION (OW-FRL-372J

ENVIRONMENTAL PROTECTION ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 421 (OW-FRL-372"J ... detailed in the record. The record for the final rule will be available for public ... Subpart O-Primary Beryllium Subcategory 40 CFR 421.152(d)-All limitations except pH.

Fourth Edition Beryllium Final January 2010

contain beryllium compounds. The primary source of beryllium compounds in water appears to be release from coal burning and other industries using beryllium. Other sources of beryllium in surface water include deposition of atmospheric beryllium and weathering of rocks and soils containing beryllium. 1.4 Environmental fate

Nuclear weapon design - Wikipedia

Nuclear weapon designs are physical, chemical, and engineering arrangements that cause the physics package of a nuclear weapon to detonate. There are three existing basic design types: pure fission weapons, the simplest and least technically demanding, were the first nuclear weapons built and have so far been the only type ever used in an act of war (over wartime Japan).

beryllium copper washer - dionyx.nl

Beryllium Copper Spring Washer (19/22mm) Upgrades, Hardware. Description. Description. Spring washers ground heatsink type drop-ins (that lack an outer spring), such as TorchLAB. For 18m E applications, place between body and head. For 22mm P applications, place at the bottom of the P60 socket before installing P60 dropin.