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Records 1 to 9 of 9

2022
A gene expression biomarker for predictive toxicology to identify chemical modulators of NF-κB
(JOURNAL) [Published : Feb 02, 2022]
The nuclear factor-kappa B (NF-κB) is a transcription factor with important roles in inflammation, immune response, and oncogenesis. Dysregulation of NF-κB signaling is associated with inflammation and certain cancers. We developed a gene expression biomarker predicti...
The use of unmanned aircraft systems (UAS) to characterize health and environmental effects of wildland fire smoke
(PRESENTATION) [Presented : Jan 20, 2022]
Wildland fires produce smoke plumes that prompt severe regional-scale air quality concerns. These plumes are well known to contain high levels of respirable particles and organic compounds such as formaldehyde and furans. They may also contain, depending upon the vegetation type,...
2021
Perls' Prussian Blue Stains of Lung Tissue, Bronchoalveolar Lavage, and Sputum
(JOURNAL) [Published : Jan 01, 2021]
Abstract Perls' Prussian blue (PPB) stain recognizes Fe3+ associated with hemosiderin. The employment of this stain in clinical medicine and research has been extensive and novel applications continue to evolve. Ferruginous bodies are intracellular structures in lung tissue, bron...
Safely remediating flooded homes - from the technical to the social
(PRESENTATION) [Presented : Mar 27, 2021]
Home dwellers and others coming in to clean out and repair flooded homes face health risks, including electrical accidents, mold, bacteria, asbestos, and lead. The U.S. Environmental Protection Agency (EPA) has developed comprehensive technical guidance on safely remediating floo...
2020
Analysis of Aggressive Air Sampling for Bacillus anthracis Indoors
(PUBLISHED REPORT) [Published : Oct 30, 2020]
The primary objectives of this project research effort were to analyze the potential for application of an aggressive air sampling (AAS) technique for measurement of spores resulting from a dissemination of a biological agent, Bacillus anthracis (Ba), in an indoor environment and...
2019
Epidemiology in Risk Assessment – A Case-study of Libby Amphibole Asbestos- presentation
(PRESENTATION) [Presented : Feb 25, 2019]
In 2009, EPA (jointly with the Department of Health and Human Services) announced a public health emergency at the Libby Superfund Site because of the serious health impacts of Libby Amphibole asbestos contamination in the community. This is the first time EPA has made a finding ...
2002
TEST METHOD - METHOD FOR THE DETERMINATION OF ASBESTOS IN BULK BUILDING MATERIALS
[Published : May 24, 2002]
A method describing the qualitative and quantitative analysis of bulk building materials for asbestos content is described. he method employs polarized light microscopy (PLM), x-ray diffraction (XRD), and analytical transmission electron microscopy (AEM) for qualitative identific...
1990
AIRBORNE ASBESTOS LEVELS MEASURED BEFORE, DURING AND AFTER ABATEMENT
(PUBLISHED REPORT) [Published : Dec 31, 1990]
Airborne asbestos concentrations were measured before, during, and after removal of asbestos containing fireproofing at three university buildings. These three abatement studies were not subject to the AHERA regulations and the procedures followed were not necessarily in complian...
EPA Draft Risk Evaluation of Asbestos
(ASSESSMENT DOCUMENT)
EPA evaluated the following categories of conditions of use of chrysotile asbestos in this draft risk evaluation: Manufacturing; processing; distribution in commerce; occupational and consumer uses; and disposal.