asbestos

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asbestos

 [as-bes´tos]
fibrous calcium and magnesium silicate, a nonburning compound used in roofing materials, insulation for electric circuits, brake linings, and many other products that must be fire resistant. Alternative materials are being developed to replace asbestos because fine asbestos fibers can be inhaled, causing asbestosis, pleural mesothelioma, and other types of lung cancer. In 1971, asbestos became the first material to be regulated by the Occupational Safety and Health Administration.

as·bes·tos

(as-bes'tŏs), Avoid the mispronunciation as-bes'ōz.
The commercial product, after mining and processing, obtained from a family of fibrous hydrated silicates divided mineralogically into amphiboles (amosite, anthrophyllite, and crocidolite) and serpentines (chrysotile); it is virtually insoluble and is used to provide tensile strength and moldability, thermal insulation, and resistance to fire, heat, and corrosion; inhalation of asbestos particles can cause asbestosis, pleural plaques, pleural fibrosis, pleural effusion, mesothelioma, and lung cancer.
[G. unquenchable; so-called in the erroneous belief that when heated, its warmth could not be quenched]

asbestos

/as·bes·tos/ (as-bes´tos) a fibrous incombustible magnesium and calcium silicate used in thermal insulation; its dust causes asbestosis and acts as an epigenetic carcinogen for pleural mesothelioma. It is divided into two main classes: amphibole a., less widely used and more highly carcinogenic and including amosite and crocidolite, and serpentine a., including chrysotile.

asbestos

[asbes′təs]
Etymology: Gk, asbestos, unquenchable
a group of fibrous impure magnesium silicate minerals. Inhalation of the fibers can lead to pulmonary fibrosis if the fibers accumulate in terminal bronchioles. Continued exposure to asbestos fibers can result in lung cancer.

asbestos

An incombustible mineral fibre once widely used in industry and commercial products (the USA, for example, used 30 billion tons of asbestos since 1900), such as insulation, brakes, fire-proofing, etc., prolonged overexposure to which may lead to asbestosis and possibly cancer.

Maximum exposure levels (1976 OSHA standard)
2 fibres/cm3/8 hours.

asbestos

Environment Any finished natural product containing a type of incombustible mineral fiber; the US has used 30 billion tons of asbestos since 1900; it is a component of ± 3000 manufactured products; maximum exposure levels–1976 OSHA standards = 2 fibers/ccm3/8 hr period

ASBESTOS

(as-bes'tŏs)
Acronym used in assessing casualties from chemical (and radiologic) agents. The components of the acronym are A for agent (type of chemical or radiation); S for state (e.g., solid, liquid, gas, vapor, aerosol); B for body site, or route of exposure (e.g., inhalational, percutaneous, ocular, enteral, parenteral); E for effects (local vs. systemic); S for severity of effects and of exposure; T for time course (e.g., time from exposure, length of latent period, prognosis); O for other diagnoses (both instead of and in addition to the agent originally considered); and S for synergism (interaction among multiple diagnoses).

as·bes·tos

(as-bes'tŏs)
Product obtained from fibrous hydrated silicates divided into amphiboles and serpentines; it is insoluble and is used to provide tensile strength and moldability, thermal insulation, and resistance to fire, heat, and corrosion; inhalation of asbestos particles can cause asbestosis and cancer of the lung and pleura.
[G. unquenchable; so-called in the erroneous belief that when heated, its warmth could not be quenched]

Asbestos

A naturally occurring mineral, utilized worldwide for its durability and heat resistant qualities. Extremely fibrous in nature, asbestos particles can easily enter the respiratory system and damage sensitive tissue. This damage can result in asbestosis, mesothelioma, and lung cancer.
Mentioned in: Asbestosis, Mesothelioma

as·bes·tos

(as-bes'tŏs)
The commercial product, after mining and processing, obtained from a family of fibrous hydrated silicates. Inhalation of such particles can cause asbestosis, pleural plaques, and other disorders.
[G. unquenchable; so-called in the erroneous belief that when heated, its warmth could not be quenched]

asbestos (asbes´təs),

n a group of fibrous impure magnesium silicate minerals. Inhalation of the fibers can lead to pulmonary fibrosis.
Ascaris
n a genus of large parasitic intestinal roundworms such as
A. lumbricoides.

asbestos

a naturally occurring amphibole mineral in fibrous form with the fibers lying in parallel in plates; causes asbestosis in humans. Called also horneblende.

Patient discussion about asbestos

Q. Why have i been seeing so many commercials regarding asbestos related mesothelioma? I have been quite curious to know why law firms are pushing mesothelioma ads.

A. Most people who develop mesothelioma have worked on jobs where they inhaled asbestos particles.The liability resulting from the sheer number of lawsuits and people affected has reached billions of dollars.The amounts and method of allocating compensation have been the source of many court cases, reaching up to the United States Supreme Court.
so where ever there's money- there's lawyers..

More discussions about asbestos
References in periodicals archive ?
If your building is one of the many thousands in the City of New York with pipes, boilers or other insulation containing asbestos, you should be aware of your responsibility with regard to the existence, disturbance,,removal, storage, and transportation of asbestos containing material.
Of the 3500 people currently dying each year from asbestos-related diseases 25% have once worked in the building and maintenance trades and often would have worked unknowingly on or near to asbestos containing materials (ACMs).
to external server; Provide policy, procedure and legal Advice and Training; Provision of reports and risk assessments as necessary; Provision of support for each survey or test; The provision of an emergency response following the unplanned release or discovery of asbestos containing materials to include removal of ACM, decontamination/clean up of affected areas and air testing; Liaise and work with LHT appointed asbestos contractor as necessary; Liaise and work with LHT appointed domestic contractors as necessary; Liaise and work with LHT tenants via email, letter or face to face as necessary.
Tenders are invited for Surveying, Sampling And Analysis Of Asbestos Containing Materials
The purpose of this invitation to bid is to establish firm fixed pricing for the abatement of asbestos containing materials and mold/indoor air quality remediation services as listed and described on the bid price sheet and in the body of this solicitation.
Removal and disposal of accessible asbestos containing materials.
The work generally consists of site clearing, abatement of any asbestos containing materials and removal of hazardous materials/universal waste items, demolition of structures, removal of demolition debris, site filling and grading.
Contract notice: Orders To Contract For The Performance Of Work To Remove Or Neutralization Of Asbestos Containing Materials In Eple The Spring Of The Ile De France.
Tenders are invited for Performance Of Work To Remove Or Neutralization Of Asbestos Containing Materials In Eple The Spring Of The Ile De France.

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