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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...
Portrait de la nanotechnologie au Québec dans les milieux industriels et de la recherche universitaire et publique
La présente étude a pour objectif de dresser le portrait des industries et des laboratoires de recherche universitaire et publique du Québec qui développent, produisent, utilisent ou commercialisent des NP de synthèse. Pour cela, un questionnaire adapté au contexte québécois a été élaboré, validé et complété en ligne grâce à la plateforme informatisée Survey Monkey™. Quelque 2 000 participants et plus de 1 300 entreprises ont été ciblés. Les entreprises...
The use of Nanomaterials in UK Universities: an overview of occupational health and safety
HSE wishes to increase its knowledge and understanding of the occupational use and manufacture of engineered nanoparticles in the UK. It has worked with the UK NanoSafety Group to gain an overview of the work with nanomaterials in a small number of UK universities. METHODOLOGY : HSE, working with The UK NanoSafety Group, distributed questionnaires in the form of ‘feedback' forms to university health and safety officers who, in turn, distributed them to various research groups working with nanomaterials within the universities. During the summer of 2011 visits were made by a specialist...
NIOSH Alert - Preventing Occupational Respiratory Disease from Exposures caused by Dampness in Office Buildings, Schools and Other Non-Industrial Buildings
Office buildings, schools, and other non-industrial buildings may develop moisture and dampness problems from roof and window leaks, high indoor humidity, and flooding events, among other things. This CDC-NIOSH Alert contains recommendations regarding building design and use. For this Alert, CDC defines "dampness" as the presence of unwanted and excessive moisture in buildings. Research studies have shown that dampness-related exposures from building dampness and mould have been associated with respiratory symptoms, asthma, hypersensitivity pneumonitis, rhinosinusitis, bronchitis, and...
Étude sur la qualité de l’air intérieur d’une vingtaine de services de garde à l’enfance situés à Montréal
Afin de mieux comprendre la QAI dans ces milieux, Santé Canada a réalisé, en collaboration avec le Centre hospitalier de l’Université de Montréal (CHUM) et le Centre universitaire de santé McGill (CUSM), une étude dans des SGE de 40 places et plus, localisés à Montréal. Les objectifs étaient d’en évaluer la QAI et d’identifier les caractéristiques du bâtiment qui pouvaient l’influencer. Ce texte constitue un résumé de l’article «Indoor air quality in...
Comparison of Mold Exposures Between Employees at a Severely Water-Damaged School and Employees at a School Without Significant Water Damage
The HHE Program evaluated a severely water-damaged school where employees reported difficulty breathing, chronic sinusitis, and immune system problems. As a comparison for the evaluation, investigators also evaluated a school around the same age that had no history of water damage or mold contamination. Investigators found that employees at the severely water-damaged school had a significantly higher prevalence of symptoms than employees at the comparison school. Source : http://www.cdc.gov/niosh/hhe/reports/pdfs/2005-0135-3116.pdf
Indoor Air Quality (IAQ) Tools for Schools (TfS)
EPA developed the Indoor Air Quality (IAQ) Tools for Schools (TfS) Program to reduce exposures to indoor environmental contaminants in schools through the voluntary adoption of sound indoor air quality management practices. The IAQ Tools for Schools Program is a comprehensive resource to help schools maintain a healthy environment in school buildings by identifying, correcting, and preventing IAQ problems. http://www.epa.gov/iaq/schools/

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