Occupational Exposure To Titanium Dioxide
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Occupational Exposure To Titanium Dioxide
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Author : Department of Health and Human Services
language : en
Publisher: CreateSpace
Release Date : 2013-10
Occupational Exposure To Titanium Dioxide written by Department of Health and Human Services and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10 with Technology & Engineering categories.
The purpose of the Occupational Safety and Health Act of 1970 (Public Law 91–596) is to assure safe and healthful working conditions for every working person and to preserve our human resources. In this Act, the National Institute for Occupational Safety and Health (NIOSH) is charged with recommending occupational safety and health standards and describing exposures that are safe for various periods of employment, including (but not limited to) the exposures at which no worker will suffer diminished health, functional capacity, or life expectancy as a result of his or her work experience. Current Intelligence Bulletins (CIBs) are issued by NIOSH to disseminate new scientific information about occupational hazards. A CIB may draw attention to a formerly unrecognized hazard, report new data on a known hazard, or disseminate information about hazard control. CIBs are distributed to representatives of academia, industry, organized labor, public health agencies, and public interest groups as well as to federal agencies responsible for ensuring the safety and health of workers. Titanium dioxide (TiO2), an insoluble white powder, is used extensively in many commercial products, including paint, cosmetics, plastics, paper, and food, as an anticaking or whitening agent. It is produced and used in the workplace in varying particle-size fractions, including fine and ultrafine sizes. The number of U.S. workers currently exposed to TiO2 dust is unknown. This NIOSH CIB, based on our assessment of the current available scientific information about this widely used material, (1) reviews the animal and human data relevant to assessing the carcinogenicity and other adverse health effects of TiO2, (2) provides a quantitative risk assessment using dose-response information from the rat and human lung dosimetry modeling and recommended occupational exposure limits for fine and ultrafine (including engineered nanoscale) TiO2, and (3) describes exposure monitoring techniques, exposure control strategies, and research needs. This report only addresses occupational exposures by inhalation, and conclusions derived here should not be inferred to pertain to nonoccupational exposures.
Occupational Exposure To Titanium Dioxide
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Author :
language : en
Publisher:
Release Date : 2011
Occupational Exposure To Titanium Dioxide written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Industrial safety categories.
Current Intelligence Bulletin 63
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Author : Centers for Disease Control and Prevention
language : en
Publisher: CreateSpace
Release Date : 2013-11-30
Current Intelligence Bulletin 63 written by Centers for Disease Control and Prevention and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-30 with Health & Fitness categories.
In this Current Intelligence Bulletin, the National Institute for Occupational Safety and Health (NIOSH) reviews the animal and human data relevant to assessing the carcinogenicity of titanium dioxide (TiO2) (Chapters 2 and 3), presents a quantitative risk assessment using dose-response data in rats for both cancer (lung tumors) and noncancer (pulmonary inflammation) responses and extrapolation to humans with lung dosimetry modeling (Chapter 4), provides recommended exposure limits (RELs) for fine and ultrafine (including engineered nanoscale) TiO2 (Chapter 5), describes exposure monitoring techniques and exposure control strategies (Chapter 6), and discusses avenues of future research (Chapter 7). This report only addresses occupational exposures by inhalation, and conclusions derived here should not be inferred to pertain to nonoccupational exposures.
Occupational Exposure Sampling For Engineered Nanomaterials
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Author :
language : en
Publisher:
Release Date : 2022
Occupational Exposure Sampling For Engineered Nanomaterials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Nanoparticles categories.
NIOSH guidance for carbon nanotubes and nanofibers, silver and titanium dioxide in the workplace, each of which have a Recommended Exposure Limit (REL). Also outlines practical sampling procedures for engineered nanomaterials that do not have exposure limits established to identify and assess potential exposures.
Occupational Exposure To Ultraviolet Radiation
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Author : National Institute for Occupational Safety and Health
language : en
Publisher:
Release Date : 1972
Occupational Exposure To Ultraviolet Radiation written by National Institute for Occupational Safety and Health and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Industrial hygiene categories.
Toxicological Profile For Titanium Tetrachloride
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Author :
language : en
Publisher:
Release Date : 1997
Toxicological Profile For Titanium Tetrachloride written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Titanium tetrachloride categories.
Criteria For A Recommended Standard Occupational Exposure To Ultraviolet Radiation
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Author : National Institute for Occupational Safety and Health
language : en
Publisher:
Release Date : 1972
Criteria For A Recommended Standard Occupational Exposure To Ultraviolet Radiation written by National Institute for Occupational Safety and Health and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.
Monograph On Human Exposure To Chemicals In The Workplace
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Author : Syracuse Research Corporation. Center for Chemical Hazard Assessment
language : en
Publisher:
Release Date : 1985
Monograph On Human Exposure To Chemicals In The Workplace written by Syracuse Research Corporation. Center for Chemical Hazard Assessment and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Industrial toxicology categories.
Carbon Black Titanium Dioxide And Talc
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Author : IARC Working Group on the Evaluation of Carcinogenic Risks to Humans
language : en
Publisher:
Release Date : 2010
Carbon Black Titanium Dioxide And Talc written by IARC Working Group on the Evaluation of Carcinogenic Risks to Humans and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Air categories.
Comparative Inhalation Screen Of Titanium Dioxide And Graphite Dusts
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Author : Sandra A. Thomson
language : en
Publisher:
Release Date : 1988
Comparative Inhalation Screen Of Titanium Dioxide And Graphite Dusts written by Sandra A. Thomson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Occupational exposure to airborne graphite may occur in manufacturing and application processes. Synthetic graphite is a pure crystalline form of carbon produced from high temperature treatment of petroleum products and contains less than 1% quartz; it is considered a nuisance dust by the American Conference of Governmental Industrial Hygienists. Natural graphite is the mineral form of graphitic carbon and contains associated silicate minerals. Titanium dioxide is also regarded as a nuisance dust and was used as a negative control in this study. Fischer 344 rats were exposed via whole body inhalation to 100 mg/cu. m of synthetic graphite, natural graphite, and titanium dioxide for 4 hr/day for 4 days. At 24 hr and 14 days post-exposure (PE), exposed and air exposed controls were evaluated for bronchoalveolar lavage (BAL), physiological, and pathological changes. BAL changes were the most sensitive indicator of damage; although the enzymatic and cytological alterations were evident with all three materials, there were greater increases with the graphite dusts. By 14 days PE, all BAL changes were resolved. There appears to be no deleterious tissue reaction to any of the materials at the levels tested in this study. (aw).