Abstract:
:This paper summarizes available data on worker exposures to asphalt fume (soluble fraction), total particulate matter, and respirable crystalline silica (quartz) [hereinafter RCS] over a 30-year period in Owens Corning's asphalt production and roofing manufacturing plants. For the period 1977 through 2006, the air-monitoring database contains more than 1,400 personal samples for asphalt fume (soluble fraction), 2,400 personal samples for total particulate, and 1,300 personal samples for RCS. Unique process-job categories were identified for the asphalt production and roofing shingle manufacturing plants. Quantitative exposures were tabulated by agent, process-job, and calendar period to form an exposure matrix for use in subsequent epidemiologic studies of the respiratory health of these workers. Analysis of time trends in exposure data shows substantial and statistically significant exposure reductions for asphalt fume (soluble fraction), total particulate matter, and respirable crystalline silica at Owens Corning plants. Cumulative distribution plots for the most recent sampling period (2001-2006) show that 95% of the asphalt fume (soluble fraction) measurements were less than 0.25 mg/m3; 95% of the total particulate measurements were less than 2.2 mg/m3; and 95% of the RCS measurements were less than 0.05 mg/m3. Several recommendations are offered to improve the design of future monitoring efforts.
journal_name
Inhal Toxicoljournal_title
Inhalation toxicologyauthors
Fayerweather WE,Trumbore DC,Johnson KA,Niebo RW,Maxim LDdoi
10.3109/08958378.2011.604107subject
Has Abstractpub_date
2011-09-01 00:00:00pages
668-79issue
11eissn
0895-8378issn
1091-7691journal_volume
23pub_type
杂志文章abstract::Tire and road wear particles (TRWP) are a component of ambient particulate matter (PM) produced from the interaction of tires with the roadway. Inhalation of PM has been associated with cardiopulmonary morbidities and mortalities thought to stem from pulmonary inflammation. To determine whether TRWP may contribute to ...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.3109/08958378.2012.730071
更新日期:2012-11-01 00:00:00
abstract::Cellulose fibers, along with many other organic fibers, are durable. Therefore, if inhaled, they have the potential to persist within the lung, and may then cause disease. Here we report the effects of injecting high-purity cellulose fibers into the abdominal cavity of rats. A respirable fraction of cellulose fiber wa...
journal_title:Inhalation toxicology
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doi:10.1080/08958370290084584
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abstract::In recent years, a physiology-oriented multicompartmental kinetics (POCK) model was developed to simulate pulmonary retention data of biopersistent, noncytotoxic aerosols in long-term inhalation exposures of rats. Experimental data were successfully simulated for submicrometer-sized aerosols like carbon black, diesel ...
journal_title:Inhalation toxicology
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doi:10.1080/089583799197096
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journal_title:Inhalation toxicology
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doi:10.1080/08958370601069257
更新日期:2007-03-01 00:00:00
abstract::Rats were exposed to a new graphite whisker for 4 wk by inhalation. Mass and fiber concentrations were 8.3 +/- 2.2 mg/m3 and 151.7 +/- 78.8 fibers (F)/ml, respectively, and mass median aerodynamic diameter was 3.0 micro m. Geometric mean sizes of the original whiskers were 0.86 micro m diameter and 6.8 micro m length....
journal_title:Inhalation toxicology
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abstract::Inhalation exposure systems are necessary tools for determining the dose-response relationship of inhaled toxicants under a variety of exposure conditions. The objective of this project was to develop an automated computer controlled system to expose small laboratory animals to precise concentrations of airborne multi...
journal_title:Inhalation toxicology
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abstract::To investigate effects of neurobehavioral disturbances in mice caused by sub-chronic exposure to low-dose volatile organic compounds (VOCs) and the possible mechanism for these effects, 60 male Kunming mice were exposed in 5 similar static chambers, 0 (control) and 4 different doses of VOCs mixture (G1-4) for consecut...
journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
pub_type: 杂志文章,评审
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abstract::With regard to genotoxicity testing and cancer risk assessment, particles and fibers form a rather specific group among all toxicants. First, the physicochemical behavior of fibrous and nonfibrous particles is usually very different from that of nonparticulate, chemical carcinogens. Reactive oxygen species (ROS) are b...
journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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更新日期:2007-01-01 00:00:00
abstract::Background: While the role of lysosomal membrane permeabilization (LMP) in NP-induced inflammatory responses has been recognized, the underlying mechanism of LMP is still unclear. The assumption has been that zinc oxide (ZnO)-induced LMP is due to Zn2+; however, little is known about the role of ZnO nanoparticles (NP)...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.1080/08958378.2020.1743394
更新日期:2020-02-01 00:00:00
abstract::The World Health Organization identified urban outdoor air pollution as the eighth highest mortality risk factor in high-income countries. Exposure to ambient pollutants such as ozone (O3) increases the number of hospital admissions. O3 is a highly reactive gas that reacts with cells lining the airways, producing the ...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.3109/08958378.2014.922648
更新日期:2014-07-01 00:00:00
abstract::A subchronic, nose-only inhalation study compared the effects of mainstream smoke from a 1R4F research cigarette to that of a 2R4F research cigarette. Male and female rats were exposed for 1 h/day, 5 days/wk, for 13 wk to mainstream smoke at 0, 0.06, 0.20, or 0.80 mg wet total particulate matter per liter of air. Clin...
journal_title:Inhalation toxicology
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doi:10.1080/08958370490271340
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abstract::Epidemiological and experimental data suggest that obesity exacerbates the health effects of air pollutants such as ozone (O3). Maternal inactivity and calorically rich diets lead to offspring that show signs of obesity. Exacerbated O3 susceptibility of offspring could thus be manifested by maternal obesity. Thirty-da...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.1080/08958378.2017.1342719
更新日期:2017-05-01 00:00:00
abstract:CONTEXT:Sulfur mustard exposure, as the most widely used chemical weapon, can lead to acute and long-term pulmonary complications via various pathways, such as triggering an imbalance between the oxidant and antioxidant system. Currently, there is no validated antidote, chemoprophylaxis and curative modality for pulmon...
journal_title:Inhalation toxicology
pub_type: 杂志文章,评审
doi:10.3109/08958378.2014.920439
更新日期:2014-08-01 00:00:00
abstract::Objective: To develop a physiologically based pharmacokinetic (PBPK) model for chloroprene in the mouse, rat and human, relying only on in vitro data to estimate tissue metabolism rates and partitioning, and to apply the model to calculate an inhalation unit risk (IUR) for chloroprene.Materials and methods: Female B6C...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.1080/08958378.2020.1715513
更新日期:2019-01-01 00:00:00
abstract::Antisense oligonucleotides (ASOs) bind and facilitate degradation of RNA and inhibit protein expression in pathways not easily targeted with small molecules or antibodies. Interleukin (IL)-4 and IL-13 potentiate signaling through the shared IL-4 receptor-α (IL-4Rα) subunit of their receptors. ASO targeting of IL-4Rα m...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.3109/08958378.2014.907587
更新日期:2014-07-01 00:00:00
abstract::In the evaluation of particulate matter (PM) toxicity, one faces the challenge of identifying components that could be addressed as markers of toxicity. This study examines the use of statistical methods to determine which components present in the complex mixtures are related to toxic effects. The work is based on da...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.1080/08958370701492987
更新日期:2007-01-01 00:00:00
abstract::This study was designed to investigate effects of sulfur dioxide (SO(2)) and its derivatives (bisulfite and sulfite) on the rat blood pressure. The blood pressures of male Wistar rats exposed to SO(2) and its derivatives at various doses were measured. Findings were that: (1) with acute-one time exposure to SO(2) for ...
journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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doi:10.3109/08958370903571849
更新日期:2010-06-01 00:00:00
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journal_title:Inhalation toxicology
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abstract::A low-cutoff, high-volume conventional impactor has been designed. This sampler uses a slit-shaped acceleration jet and operates at 1100 L/min. The impaction substrate is polyurethane foam (PUF). The impactor collection efficiency was characterized using polydisperse particles, and the 50% size cutoff point was 0.12 ¡...
journal_title:Inhalation toxicology
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abstract::The purpose of this work is to define a sample preparation protocol that allows inorganic fibers and particulate matter extracted from different biological samples to be characterized morphologically, crystallographically and chemically by transmission electron microscopy-energy dispersive spectroscopy (TEM-EDS). The ...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.1080/08958378.2016.1175527
更新日期:2016-07-01 00:00:00
abstract::This study is focused on the characterization of particles emitted in the metal active gas welding of carbon steel using mixture of Ar + CO2, and intends to analyze which are the main process parameters that influence the emission itself. It was found that the amount of emitted particles (measured by particle number a...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.3109/08958378.2014.897400
更新日期:2014-05-01 00:00:00
abstract::This article addresses the importance of blood pressure as a covariate in studies of long-term associations between air quality and mortality. We focus on a cohort of about 50,000 U.S. veterans who had been diagnosed as hypertensive at some time and whose survival rates were predicted by blood pressure (BP) and ambien...
journal_title:Inhalation toxicology
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更新日期:2003-04-25 00:00:00
abstract::The purpose of the Enhanced Particulate Matter Surveillance Program was to provide scientifically founded information on the chemical and physical properties of dust collected over a period of approximately 1 year in Djibouti, Afghanistan (Bagram, Khowst), Qatar, United Arab Emirates, Iraq (Balad, Baghdad, Tallil, Tik...
journal_title:Inhalation toxicology
pub_type: 杂志文章
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更新日期:2009-02-01 00:00:00
abstract::Wollastonite is a naturally occurring calcium silicate (CaSiO(3)) that is produced in both powder and fibrous forms. It is a valuable industrial mineral used in plastics, ceramics, metallurgical applications, paint, and friction products. For some applications wollastonite serves as an asbestos replacement. To varying...
journal_title:Inhalation toxicology
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journal_title:Inhalation toxicology
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更新日期:1999-01-01 00:00:00
abstract:INTRODUCTION:Several experimental and epidemiological studies have demonstrated the neurological adverse effects caused by exposure to air pollution, specifically in relation to pollutant particulate matter (PM). The objective of this study was to investigate the direct effect of PM in increased concentrations in diffe...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.3109/08958378.2015.1060278
更新日期:2015-01-01 00:00:00
abstract::Acute lung injury (ALI) induced by phosgene increases risk of serious edema and mortality. Increased permeability of the microvascular endothelium is implicated in the progression of ALI, but the processing interaction and time course activity of the vascular regulators in exudation are still not understood. The main ...
journal_title:Inhalation toxicology
pub_type: 杂志文章
doi:10.1080/08958370802015091
更新日期:2008-07-01 00:00:00