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Human exposure to uranium in South African gold mining areas using barber-based hair sampling
Uranium (U) measurements in water, soil, and food related to gold mining activities in populated areas in Gauteng Province, South Africa, suggest the possibility of exposure levels that may lead to adverse health consequences, including cancer. Theoretical considerations on pathways of human uptake of significant exposures are plausible, but few data on directly measured human exposure are available. A cross-sectional study was conducted using human measurements to compare U levels with other settings around the globe (based on literature review), to explore potential exposure variability within...
Halogenated flame retardants and organophosphate esters in the air of electronic waste recycling facilities
Evidence of high concentrations and multiple exposures Background: In response to a worldwide increase in production of electronic waste, the e-recycling industry is rapidly rowing. E-recycling workers are exposed to many potentially toxic contaminants, among which flame retardants (FRs), mainly suspected of being endocrine disruptors, are thought to be the most prevalent. Objective: To conduct an exposure assessment of four chemical groups of FRs in Canadian e-recycling facilities, and to identify the main cofactors of exposure. Methods: Personal air samples were collected over a workday for 85...
Évaluation du suivi post-exposition amiante de techniciens en télécommunications
Objectifs: Nous avons cherché à évaluer les avantages de la surveillance post-exposition à l'amiante après application des directives de la Haute Autorité de santé (HAS). Nous avons évalué le suivi et les résultats des scanners thoraciques (CTscan) réalisés dans ce cadre pour une entreprise de télécommunications, ainsi que ces conséquences sur le nombre de déclarations en maladies professionnelles. Méthode: Il s'agit d'une enquête rétrospective pour des...
Effects of occupational exposure to respirable quartz dust on acute myocardial infarction
Objectives: The aim of this study is to investigate the effects of occupational exposure to respirable quartz (RQ) on first acute myocardial infarction (AMI). RQ causes pulmonary diseases like silicosis and has also been linked to cardiovascular diseases. Inflammation is hypothesised as the underlying pathway. Methods: We performed a 1:3 matched case–control study nested in a cohort of male uranium miners. We included cases (identified from hospital records and validated according to WHO criteria) who had suffered their first AMI while still employed and <65 years of age. Controls were...
La lambda-cyhalothrine comme insecticide en milieu agricole
Étude de la toxicocinétique de biomarqueurs pour le suivi de l'exposition des travailleurs L'objectif général du présent projet de recherche a été de combler le manque de connaissance sur la toxicocinétique de biomarqueurs d'exposition à la lambda-cyhalothrine chez l'humain, pour une meilleure interprétation des données de biosurveillance des travailleurs exposés à ce pesticide et une meilleure évaluation des risques associés. Ce projet a été divisé en deux...
Potential Hazards of Additive Manufacturing
Additive manufacturing (AM), commonly referred to as 3-D printing, is becoming more prevalent in industry. AM is a set of processes for making products by selectively joining small amounts of material, using a computer-aided design file. [1,2] The advantages for industry include: shortened production cycles, reduced tooling costs, reduced waste material, easier product customization, novel design options, and new possibilities in distribution and fulfilment. [2–6] The automotive, aerospace, medical device, and electronics manufacturing industries are already using AM, and biomedical applications...
Santé travail : enjeux et actions. Les cancers reconnus d'origine professionnelle. Evolution statistique, actions de prévention et d'accompagnement des salariés exposés
Sur la période 2013-2017, l'Assurance Maladie - Risques professionnels a reconnu, en moyenne 1 840 cancers d'origine professionnelle par an,soit 0,5 % des nouveaux cas de cancers recensés en France. Sur la même période, plus de 50 000 maladies professionnelles ont été reconnues par an, liées majoritairement à des troubles musculo-squelettiques. Parmi les cancers professionnels reconnus, la part liée à l'amiante est prépondérante (80 % sur la période 2013-2017). Il s'agit de cancers du poumon...
Occupational Exposure to Metals in Shooting Ranges: A Biomonitoring Study
Background Lead (Pb) exposure in shooting ranges has been reduced by various measures such as jacketed ammunition and lead-free primers. Nevertheless, this may lead to exposure to other metals, potentially resulting in adverse health effects. Methods In a cross-sectional study, 35 subjects from seven different shooting ranges were studied: four shooting instructors, 10 police officers, 15 Special Forces, and six maintenance staff members. Metals and metalloids were determined in blood and urine by inductively coupled plasma–mass spectrometry. Results The concentrations of most elements did...
Description par type de cancer des situations professionnelles à risque : synthèse des données du réseau RNV3P
L'ANSES (Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail) et le RNV3P (Réseau National de Vigilance et de Prévention des Pathologies Professionnelles) mettent en ligne un rapport identifiant les situations professionnelles à risque pour plusieurs types de cancers. Sont abordés les cancers broncho-pulmonaires, les cancers urothéliaux, les hémopathies lymphoïdes matures, les leucémies myéloïdes, le cancer du larynx, le cancer des fosses nasales et des sinus, le cancer...
IARC Scientific Publication No. 165: Tumour Site Concordance and Mechanisms of Carcinogenesis
The International Agency for Research on Cancer (IARC) has published a new Scientific Publication that reviews the information on cancer sites and mechanistic events for the more than 100 agents classified in Group 1 (carcinogenic to humans) by the IARC Monographs Programme. This publication is based on a systematic identification and comparison of the cancer sites observed in humans and those observed in experimental animals, as well as a compilation of mechanistic events for agents known to cause cancer in humans. Relevant information was analysed on all the agents classified in Group 1 in IARC...
NIOSH Reviews Scientific Literature on Infectious Diseases in the Workplace
It may be obvious when people get injured at work, but it may not always be apparent when people acquire infections resulting from exposures at work. The National Institute for Occupational Safety and Health (NIOSH) recently published a study conducting a review of infectious disease investigations in U.S. workplaces to better understand the range of cases, the risk factors for workers, and the ways to prevent infectious disease transmission on the job. Source : https://wwwnc.cdc.gov/eid/article/25/3/18-0708_article
OCRC report: assessment of diesel exhaust exposure in municipal fire halls in Ontario
This report summarizes the diesel exhaust exposure levels assessed in 12 fire halls from six fire services departments in Ontario and reviews how these exposures vary among the fire halls. The report also includes information on the exposure control strategies currently in place in the participating fire departments. The study was requested and funded by the Prevention Office of the Ontario Ministry of Labour. The research was performed in collaboration with Dr. Tracy Kirkham from the University of Toronto's Dalla Lana School of Public Health. Source : http://www.occupationalcancer.ca/wp-content...
INSPQ/Bulletin d'information toxicologique, volume 34, numéro 2
Ce numéro porte sur la toxicologie en milieu de travail. On y trouve, entre autres : Brûlure à l'acide fluorhydrique Décès reliés à une intoxication par le monoxyde de carbone en milieu de travail Cannabinoïdes synthétiques : le danger d'une exposition accidentelle Pratiques entourant la manipulation des médicaments dangereux dans les établissements de santé du Québec Source : https://www.inspq.qc.ca/toxicologie-clinique/numero-thematique-sur-la-toxicologie-en-milieu-de-travail
Dampness and Mold Assessment Tool – General Buildings
The health of those who live, attend school, or work in damp buildings has been a growing concern through the years due to a broad range of reported building-related symptoms and illnesses. Research has found that people who spend time in damp buildings are more likely to report health problems such as these: Respiratory symptoms (such as in nose, throat, lungs) Development or worsening of asthma Hypersensitivity pneumonitis (a rare lung disease caused by an immune system response to repeated inhalation of sensitizing substances such as bacteria, fungi, organic dusts, and chemicals) Respiratory...
Prévalences de l’exposition des viticulteurs aux pesticides arsenicaux entre 1979 et 2001
L'évaluation rétrospective des expositions aux pesticides des travailleurs agricoles est une démarche nécessaire pour comprendre et établir des liens entre leurs activités tout le long de leur carrière et de potentielles pathologies graves telles les cancers ou les maladies neurodégénératives. Les outils fiables soutenus par une méthodologie précise et structurée sont peu nombreux. L'arsenic inorganique est considéré comme un cancérogène avéré pour l'homme...
Manutention des conteneurs fumigés dans les ports - risques pour la santé et pratiques de prévention
Ce rapport examine les risques potentiels pour la sécurité et la santé liés à la manutention, dans les ports, de conteneurs ayant été fumigés avec des pesticides. Les auteurs examinent la législation et la littérature internationales (publications scientifiques mais aussi lignes directrices et articles), identifient les risques liés à la sécurité et à la santé au travail et décrivent des exemples pratiques de mesures et de stratégies préventives. Ils concluent qu'il...
Agents fibrogènes et cancérogènes dans les mines d’or et de fer du Québec - Étude exploratoire
De récentes études ont mis en évidence que les travailleurs des mines d’or du Dakota et des mines de fer du Minnesota sont exposés à des particules minérales allongées (PMA). En particulier, les mineurs du Minnesota présentent un risque plus élevé de décès par cancer du poumon, par mésothéliome et par maladies cardiaques que la population générale. Comme l’intérêt renouvelé pour l’exploration de nouveaux gisements d’or et de fer dans le Nord...
Amiante. Aéraulique des chantiers d'amiante sous confinement
Guide pratique de ventilation Ce guide propose une démarche permettant une acquisition didactique de la méthode du bilan aéraulique des chantiers sous confinement, depuis la reconnaissance des lieux jusqu'à la vérification sur chantier, en passant par le dimensionnement et l'implantation du matériel nécessaire. Source: http://www.inrs.fr/media.html?refINRS=ED%206307
Historical changes in chemical exposures encountered by Danish firefighters
Objective: This study aimed to demonstrate the possibility of using history science methods in occupational studies by evaluating overall historical changes in Danish firefighting modifying chemical exposures from smoke and fire trucks. Methods: Data on changes in Danish firefighting after World War II were searched for in both museums and the Danish library catalogue REX, accessing collections of literature from all institutes of the University of Copenhagen and the Danish Royal Library. Results: Several historical changes were identified either increasing or reducing chemical exposures in Danish...
Infection Rates and Risk Factors for Infection Among Health Workers During Ebola and Marburg Virus Outbreaks
A Systematic Review Infection in health workers (HWs) has characterized outbreaks of Ebola virus disease (EVD) and Marburg virus disease (MVD). We conducted a systematic review to investigate infection and mortality rates and common exposure risks in HWs in EVD and MVD outbreaks. We searched the EMBASE and PubMed databases to identify articles posted before 27 December 2017, with no language restrictions. Data on the number, frequency, and mortality of HW infection and exposure risks were extracted. Ninety-four articles related to 22 outbreaks were included. HW infections composed 2%–100...
NIOSH Releases Beta Version of New Respirable Crystalline Silica Monitoring Software
Mines can now monitor worker exposure to hazardous respirable crystalline silica (RCS) more effectively thanks to new software developed by the National Institute for Occupational Safety and Health (NIOSH) Mining Program in beta version. This novel, field-based tool called “FAST” (Field Analysis of Silica Tool), works together with commercially available FTIR analyzers (Fourier Transform Infrared) to determine a worker's exposure to RCS dust, providing detailed results immediately following a worker's shift. Source: https://www.cdc.gov/niosh/updates/upd-10-03-18.html
Cancer de la vessie et expositions professionnelles aux fluides de coupe
Étude épidémiologique parmi les travailleurs de la sidérurgie en France L'objectif de cette étude est de rechercher s'il existe un risque de cancer de la vessie associé à des expositions professionnelles à des brouillards d'huiles, issus de l'utilisation d'huiles entières ou de fluides aqueux. Une étude cas-témoins a été mise en place au sein d'une cohorte de 22 795 travailleurs de la sidérurgie du Nord - Pas-de-Calais. Les cas de cancer de vessie ont été diagnostiqués...
Development of a bar code-based exposure assessment method to evaluate occupational exposure to disinfectants and cleaning products
A pilot study Objective: Healthcare workers are highly exposed to various types of disinfectants and cleaning products. Assessment of exposure to these products remains a challenge. We aimed to investigate the feasibility of a method, based on a smartphone application and bar codes, to improve occupational exposure assessment among hospital/cleaning workers in epidemiological studies. Methods: A database of disinfectants and cleaning products used in French hospitals, including their names, bar codes and composition, was developed using several sources: ProdHyBase (a database of disinfectants managed...
Surveillance biologique de l’exposition professionnelle (SBEP) aux médicaments anticancéreux au sein d’un hôpital Mauritanien
Contexte: En Mauritanie, l'activité du Centre National d'Oncologie (CNO) n'a cessé de croître, entraînant une augmentation de la manipulation de médicaments anticancéreux (MAC). Dans ce contexte, la contamination des professionnels aux MAC a été évaluée. Méthodes: L'intervention s'est déroulée en 2015, dans 2 services de soins, et a évalué des infirmiers (IDE) préparant et administrant des MAC et des agents en charge de l'hygiène (AH). Chaque participant a...
In-cab air filtration in plant vehicles to control exposure to hazardous dust
Quarry industry example Tackling occupational lung disease is a priority for HSE. In-cab air filtration systems are installed on plant vehicles used in a wide range of industries where drivers can potentially breathe in hazardous airborne dust, such as farming, waste management and quarrying. Plant vehicles include tractors, diggers, dumper trucks, excavators and mechanical shovels. However, little is known about the effectiveness of in-cab air filtration as a control measure. This report describes research to develop this evidence; the research was carried out with the support of the quarry industry...
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