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Measuring and controlling emissions from polymer filament desktop 3D printers
Affordable desktop 3D printers are being widely used in businesses, schools and colleges. Some of these printers use filaments to deposit polymer through a heated nozzle to build three dimensional objects. This type of desktop printer is generally unenclosed and some published studies have raised concerns that they may release potentially harmful fumes and particles. The scientific evidence base on exposures and potential health endpoints is being developed internationally. This report describes initial research in a laboratory setting to a) measure emissions of particulates and volatile organic...
Measuring and controlling emissions from polymer filament desktop 3D printers
Affordable desktop 3D printers are being widely used in businesses, schools and colleges. Some of these printers use filaments to deposit polymer through a heated nozzle to build three dimensional objects. This type of desktop printer is generally unenclosed and some published studies have raised concerns that they may release potentially harmful fumes and particles. The scientific evidence base on exposures and potential health endpoints is being developed internationally. This report describes initial research in a laboratory setting to a) measure emissions of particulates and volatile organic...
Utilisation des composés organiques volatils microbiens comme biomarqueurs de l'exposition aux moisissures en milieu de travail ? Étude de faisabilité
La problématique de la qualité de l'air est un aspect important de la santé et de la sécurité au travail. Les moisissures et leurs composés sont des contaminants auxquels les travailleurs peuvent être exposés. Ces microorganismes sont responsables de nombreux problèmes de santé (maladies ou inconforts), incluant des allergies aiguës, de l'asthme, des sinusites/rhinites, des céphalées, de l'hypersensibilité environnementale, des irritations et des inflammations. La surveillance classique de...
Exposures to Volatile Organic Compounds among Healthcare Workers
Modeling the Effects of Cleaning Tasks and Product Use Objectives: Use of cleaning and disinfecting products is associated with work-related asthma among healthcare workers, but the specific levels and factors that affect exposures remain unclear. The objective of this study was to evaluate the determinants of selected volatile organic compound (VOC) exposures in healthcare settings. Methods: Personal and mobile-area air measurements (n = 143) from 100 healthcare workers at four hospitals were used to model the determinants of ethanol, acetone, 2-propanol, d-limonene, α-pinene, and chloroform...
Pollutant exposures and health symptoms in aircrew and office workers: Is there a link?
Sensory effects in eyes and airways are common symptoms reported by aircraft crew and office workers. Neurological symptoms, such as headache, have also been reported. To assess the commonality and differences in exposures and health symptoms, a literature search of aircraft cabin and office air concentrations of non-reactive volatile organic compounds (VOCs) and ozone-initiated terpene reaction products were compiled and assessed. Data for tricresyl phosphates, in particular tri-ortho-cresyl phosphate (ToCP), were also compiled, as well as information on other risk factors such as low relative...
Associations of Cognitive Function Scores with Carbon Dioxide, Ventilation, and Volatile Organic Compound Exposures in Office Workers
A Controlled Exposure Study of Green and Conventional Office Environments Background: The indoor built environment plays a critical role in our overall well-being, both due to the amount of time we spend indoors (~90%) and the ability of buildings to positively or negatively influence our health. The advent of sustainable design or green building strategies reinvigorated questions regarding the specific factors in buildings that lead to optimized conditions for health and productivity. Objective: To simulate indoor environmental quality (IEQ) conditions in “Green” and “Conventional”...
Dysregulation of markers of oxidative stress and DNA damage among nail technicians despite low exposure to volatile organic compounds
Objective: The study aimed to compare levels of selected biomarkers of oxidative stress and DNA damage and their correlation with occupational exposure to volatile organic compounds (VOC) among female nail technicians and a group of unexposed volunteers. Methods: A panel of biomarkers of oxidative stress and DNA damage was assayed among 145 female nail technicians and 152 healthy female volunteers. Occupational exposure of nail technicians to VOC was assessed analyzing the VOC content in nail salon air samples. Results: The level of occupational exposure of nail technicians to VOC was below the...
Mise au point sur les risques toxiques lors de l’utilisation professionnelle des photocopieurs
Les photocopieurs sont considérés comme des outils essentiels dans les entreprises. De plus en plus de salariés se plaignent auprès de leur service de santé au travail de symptômes qu'ils attribuent à leur exposition au photocopieur. Il s'agit donc de connaître les risques liés à cette exposition. Le fonctionnement d'un photocopieur est basé sur l'électrophotographie, c'est-à-dire le transfert électrostatique de la poudre de toner vers une surface photoconductrice chargée électriquement...
Exposure to airborne particles and volatile organic compounds from polyurethane molding, spray painting, lacquering, and gluing in a workshop
Due to the health risk related to occupational air pollution exposure, we assessed concentrations and identified sources of particles and volatile organic compounds (VOCs) in a handcraft workshop producing fishing lures. The work processes in the site included polyurethane molding, spray painting, lacquering, and gluing. We measured total VOC (TVOC) concentrations and particle size distributions at three locations representing the various phases of the manufacturing and assembly process. The mean working-hour TVOC concentrations in three locations studied were 41, 37, and 24 ppm according to photo...
Exposure to volatile organic compounds in healthcare settings
Objectives: To identify and summarise volatile organic compound (VOC) exposure profiles of healthcare occupations. Methods: Personal (n=143) and mobile area (n=207) evacuated canisters were collected and analysed by a gas chromatograph/mass spectrometer to assess exposures to 14 VOCs among 14 healthcare occupations in five hospitals. Participants were volunteers identified by their supervisors. Summary statistics were calculated by occupation. Principal component analysis (PCA) was used to reduce the 14 analyte inputs to five orthogonal factors and identify occupations that were associated with...
Mise à jour de la base de données SOLVEX
La base SOLVEX vient d'être mise à jour. La base, qui regroupe des données d'exposition professionnelle aux solvants et aux composés organiques volatils (COV), s'est enrichie d'informations sur près de 50 nouveaux COV utilisés en milieu de travail. Source: http://www.inrs.fr/accueil/header/actualites/Mise-a-jour-base-donnees-SOLVEX.html

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