beryllium oxide airborne

Beryllium oxide BeO - PubChem
Beryllium oxide BeO - PubChem

May 01 2017· Exposures occur when beryllium and beryllium-containing materials are processed in a way that releases airborne beryllium dust fume or mist into the workplace air Occupational exposure to beryllium can also occur from skin eye and mucous membrane contact with beryllium particulate or solutions What are the health risks of beryllium

Info-Science About The Element Beryllium
Info-Science About The Element Beryllium

Beryllium was discovered in 1798 by the French chemist Louis Nicolas Vauquelin who found it in the oxide form in beryl and a green-colored variety of beryl emerald The metal was isolated in 1828 by two chemists Friedrich Wölhler from Germany and Antoine Bussy from France who independently reduced beryllium chloride BeCl 2 with potassium in a platinum crucible according to the Jefferson

Beryllium Oxide Beryllium Oxide
Beryllium Oxide Beryllium Oxide

Aug 09 2018· Exposure to beryllium by inhalation of airborne beryllium or by skin contact with beryllium-containing dust fume mist or solutions can cause health effects The most common health effects associated with overexposure to beryllium in the workplace include beryllium sensitization chronic beryllium disease CBD and lung cancer

Beryllium - Cancer-Causing Substances - National Cancer
Beryllium - Cancer-Causing Substances - National Cancer

Safety Practices for Working with Beryllium Oxide Products SF301 - Version 3 March 2018 the particle concentration building to a point where beryllium oxide may become airborne during use The coolant reservoir should be enclosed and ventilated

Exposure Assessment - Managing Health Effects of Beryllium
Exposure Assessment - Managing Health Effects of Beryllium

Beryllium Oxide Safety Solid monolithic forms of fired Beryllium Oxide ceramic components will not present any meaningful health risks If the safe handling practices which have been recommended by those who manufacture Beryllium-based products are adhered to with the necessary degree of rigor these material components will essentially pose no health risk

What is Beryllium Toxicity Standards for Workplace
What is Beryllium Toxicity Standards for Workplace

Pure beryllium is a hard gray metal that does not occur naturally but does occur as a chemical component of certain kinds of rocks coal and oil soil and volcanic dust 1 Beryllium is also present in a variety of compounds such as beryllium fluoride beryllium chloride beryllium sulfate beryllium oxide and beryllium phosphate 1

NC DOL Beryllium
NC DOL Beryllium

Acute Beryllium Disease ABD - Acute beryllium disease ABD is a rapid onset form of chemical pneumonia that results from breathing high airborne concentrations of beryllium ABD is generally associated with exposure to beryllium levels at or above 100 …

Beryllium Safety Bulletin Overview
Beryllium Safety Bulletin Overview

Beryllium and beryllium compounds were considered by previous IARC Working Groups in 1971 1979 1987 and 1993 IARC 1972 1980 1987 1993 Since that time new data have become available these have been incorporated in the Monograph and taken into consideration in the present evaluation

Beryllium - espimetals com
Beryllium - espimetals com

Oxidation Process All metals have a partial pressure of vapors above the surface as a function of temperature Experimental results have shown that the oxidation of beryllium is controlled by the release of beryllium vapor through the blue oxide layer 15 19 20 21 23 The airborne release of significant amounts of the beryllium oxide is primarily concerned with the potential

Beryllium - Wikipedia
Beryllium - Wikipedia

Also at this downstream beryllium oxide user in addition to a low potential for airborne beryllium most operations already required controls such as dust masks to protect the product or

OSHA issues rule to revise beryllium regulations
OSHA issues rule to revise beryllium regulations

Learn about beryllium exposure to which can increase your risk of lung cancer Beryllium is a naturally occurring light-weight metal used in products such as aerospace components transistors nuclear reactors and golf clubs Most exposures occur to workers who produce such products

NC DOL Beryllium
NC DOL Beryllium

Aug 09 2018· Exposure to beryllium by inhalation of airborne beryllium or by skin contact with beryllium-containing dust fume mist or solutions can cause health effects The most common health effects associated with overexposure to beryllium in the workplace include beryllium sensitization chronic beryllium disease CBD and lung cancer

Potential Health Effects from Exposure to Beryllium Oxide
Potential Health Effects from Exposure to Beryllium Oxide

Beryllium oxide is the oxide of an alkaline earth metal Be II is the highest oxidation state and the only stable ionic state of beryllium The standard enthalpy of formation is -609 4 kJ mol underlining the stability of the substance as comparison standard enthalpy for water H2O = -285 8 KJ mol

Beryllium Compounds - US EPA
Beryllium Compounds - US EPA

Beryllium is a lightweight strong steel-grey metal and its oxide beryllia is a hard white ceramic Copper beryllium alloys are 97 copper containing up to 3 beryllium Where is it found Beryllium is used in industry in three main forms as beryllium metal as beryllium

Working Safely with Beryllium Oxide -- Occupational Health
Working Safely with Beryllium Oxide -- Occupational Health

While beryllium-containing alloy heat treating operations do not generate any beryllium-containing fume spalling of the surface oxide during subsequent material handling steps can cause exposures which must be controlled High temperature annealing operations in air can produce a visible oxide scale that is easily dislodged from the surface

MATERIAL SAFETY DATA SHEET - mtixtl com
MATERIAL SAFETY DATA SHEET - mtixtl com

Beryllium Oxide BeO in solid form and as contained in finished products presents no special health risks Therefore all workers need to be protected and airborne beryllium particles must be controlled by Potential Health Effects from Exposure to Beryllium Oxide Beryllia SF300 - Version 3 March 2018

CDC - Beryllium Research Highlights - Issue 3 - NIOSH
CDC - Beryllium Research Highlights - Issue 3 - NIOSH

producing airborne beryllium oxide dust mist or fume • The type of ventilation required depends on the characteristics of particle generation Particulate generation can be highly variable as determined by feed rate feed speed size and speed of the tooling tool sharpness coolant

SAFETY DATA SHEET - American Beryllia
SAFETY DATA SHEET - American Beryllia

Beryllium oxide is useful for many applications that require the combined properties of an electrical insulator and an excellent heat conductor with high strength and hardness and a very high melting point Beryllium oxide is frequently used as an insulator base plate …

BERYLLIUM AND BERYLLIUM COMPOUNDS - Arsenic Metals
BERYLLIUM AND BERYLLIUM COMPOUNDS - Arsenic Metals

industry that use beryllium metals beryllium oxide ceramics or alloys containing beryllium For example the primary pro-ducer of beryllium in the United States reported that they had 7000 direct customers worldwide in the year 2001 of which approximately 3200 were located in …

Dusts fumes mist How to control beryllium exposures
Dusts fumes mist How to control beryllium exposures

Beryllium oxide is a beryllium molecular entity consisting of beryllium 2 oxidation state and oxide in the ratio 1 1 In the solid state BeO adopts the hexagonal wurtzite structure form while in the vapour phase it is present as discrete diatomic covalent molecules

BERYLLIUM-CONTAINING MATERIALS HEAT TREATING …
BERYLLIUM-CONTAINING MATERIALS HEAT TREATING …

Because of its value Beryllium Oxide scrap is normally recycled In cases where economics do not justify the segre-gation of Beryllium Oxide scrap for resale solid material may be landfilled Because of the potential inhalation hazard of handling this material as a discarded powder such as baghouse fines we recommend it be 1 Sealed in two

Beryllium oxide BeO ChemSpider
Beryllium oxide BeO ChemSpider

Beryllium oxide BeO also known as beryllia is an inorganic compound with the formula BeO This colourless solid is a notable electrical insulator with a higher thermal conductivity than any other non-metal except diamond and exceeds that of most metals As an amorphous solid beryllium oxide is …

Beryllium oxide - Wikipedia
Beryllium oxide - Wikipedia

Beryllium Safety Bulletin - Overview The amount of beryllium dust or other airborne beryllium contaminant released in the processing of a beryllium product determines the extent of exposure control needed to protect workers While a foundry producing beryllium copper castings may require a far-reaching control program a stamping-house

6682 Beryllium Handling Exposure - Jefferson Lab
6682 Beryllium Handling Exposure - Jefferson Lab

Beryllium and beryllium compounds as Be 0 002 mg m 3 0 00005 mg m 3 Appropriate Engineering Controls Whenever possible the use of local exhaust ventilation or other engineering controls is the preferred method of controlling exposure to airborne dust and fume to meet established occupational exposure limits Use vacuum and wet cleaning

Safety Practices for Working with Beryllium Oxide Products
Safety Practices for Working with Beryllium Oxide Products

Jan 05 2017· The chemical is highly toxic when beryllium-containing materials are processed in a way that releases airborne dust fumes or mist which can damage the lungs Recent scientific evidence shows workers who inhale even low levels of airborne beryllium can develop a lung condition called chronic beryllium disease

About Beryllium Department of Energy
About Beryllium Department of Energy

Beryllium is a very strong lightweight metal used mainly in aerospace electronics energy telecommunication medical and defense industries It is highly toxic Workers are exposed both through inhalation of airborne beryllium and through skin contact with dust mist fumes or solutions that contain beryllium

Beryllium and you - Health and Safety Executive
Beryllium and you - Health and Safety Executive

SAFETY DATA SHEET 1 Identification Product identifier Beryllium Oxide Powder Beryllium Oxide Powder Beryllium Oxide 1304-56-9 100 BeO Berlon ABOX ABHF 4 First-Aid Measures procedures are ineffective in controlling airborne exposure or visual particulate from deposition on skin hair or clothing provide appropriate cleaning washing

Safety and Health Topics Beryllium - Health Effects
Safety and Health Topics Beryllium - Health Effects

From these sources beryllium is emitted into the air and water by natural processes like erosion and by the burning of coal and oil According to data collected by the Environmental Protection Agency EPA the average concentration of airborne beryllium in the U S is very small 0 03 nanogram cubic meter—a nanogram is one-billionth of a gram

Beryllium and Beryllium Compounds Frequently Asked
Beryllium and Beryllium Compounds Frequently Asked

Substantial decreases in total airborne beryllium mass concentration exposure levels do not prevent or predict the risk of beryllium-associated illnesses NIOSH researchers think that beryllium particle size chemistry and surface area and how the particles dissolve in the body may be important in determining how the body responds to beryllium

Safety Practices for Working with Beryllium Oxide Products
Safety Practices for Working with Beryllium Oxide Products

M Laraia in Handbook of Advanced Radioactive Waste Conditioning Technologies 2011 7 6 1 Beryllium Beryllium metal or beryllium oxide is used for the moderators and reflectors of many research reactors The principal concern is the toxic and carcinogenic effects caused by the inhalation of airborne particulates