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Appareil de protection respiratoire de type P100 - Les contraintes liées à l’intensité du travail et aux conditions ambiantes
Dans le secteur de la construction, l'exposition professionnelle à divers contaminants tels que l'amiante, la silice cristalline et les moisissures est présente dans plusieurs métiers. Dans ces milieux, lorsque le contrôle à la source et les mesures administratives et d'ingénierie s'avèrent insuffisants, le port d'un appareil de protection respiratoire (APR) est essentiel pour réduire les risques d'exposition aux contaminants aéroportés. Dans certaines situations de travail et de températures ambiantes...
Respirator use and its impact on particulate matter exposure in aluminum manufacturing facilities
Objectives: As part of a large epidemiologic study of particulate health effect, this study aimed to report respirator use among total particulate matter (TPM) samples collected in a major aluminum manufacturing company from 1966‒2013 and evaluate the impact of respirator-use adjustment on exposure estimation. Methods: Descriptive analyses were performed to evaluate respirator use across facilities and by facility type and job. Protection factors were applied to TPM measurements for recorded respirator use. Estimated TPM exposure for each job ‒ before and after respirator-use adjustment ‒ were...
Reliability of N95 respirators for respiratory protection before, during, and after nursing procedures
Background: The adequate fit of an N95 respirator is important for health care workers to reduce the transmission of airborne infectious diseases in the clinical setting. This study aimed to evaluate whether adequately sealed N95 respirators may provide consistent protection for the wearer while performing nursing procedures. Methods: Participants were a group of nursing students (N = 120). The best fitting respirator for these participants was identified from the 3 common models, 1860, 1860S, and 1870+ (3M), using the quantitative fit test (QNFT) method. Participants performed nursing...
Performance of Facepiece Respirators and Surgical Masks Against Surgical Smoke
Simulated Workplace Protection Factor Study Objective: Surgical smoke generated during electrocautery contains toxins which may cause adverse health effects to operating room (OR) personnel. The objective of this study was to investigate the performance of surgical masks (SMs), which are routinely used in ORs, more efficient N95 surgical mask respirator (SMRs) and N100 filtering facepiece respirator (FFRs), against surgical smoke. Methods: Ten subjects were recruited to perform surgical dissections on animal tissue in a simulated OR chamber, using a standard electrocautery device, generating surgical...
Ebola Care and Lack of Consensus on Personal Protective Respiratory Equipment
The Ebola epidemic in West Africa presents a considerable occupational risk to the health personnel involved. The principal mode of virus transmission to health care personnel is through direct contact with the patient, although transmission by aerosols through the air may also occur. Many safety protocols have been suggested relating to personal protection and particularly respiratory protection. It is generally agreed that all health care workers should have easy access to personal protective equipment. However, the degree of respiratory safety escalates from a mask, to an adequate respirator...
Investigation into exposure when the visor of air fed RPE is raised during spraying
Air-fed visors (AFV) are commonly used within the Motor Vehicle Repair (MVR) trade for protection against exposure to isocyanate paints. However, a common practice amongst paint sprayers is to flip up the visor of their AFV immediately after spraying to check the quality of the paint finish. This may be only for a few seconds but if repeated numerous times during a work shift, this could potentially result in a significant increase in exposure. The aim of this project was to determine the reduction in protection and thus potential increase in exposure when the visor is lifted and to explore potential...
Fumigation
Health & safety guidance for employers & technicians carrying out fumigation operations The guidance is primarily for employers and fumigators/fumigation technicians (including the self-employed) to help them comply with the Control of Substances Hazardous to Health Regulations 2002 (COSHH) when carrying out fumigation activities, both traditional pest control (invertebrate fumigation) and within the laboratory and biosecurity sectors. It will also be useful to their safety representatives. It outlines the real risks and describes the law that applies to fumigation operations. There is...
N95 Respirators use during pregnancy
Findings from recent research Recent NIOSH research has shed some light on the topic of the safety of N95 filtering facepiece respirators (FFR) use by pregnant workers. Women make up approximately one-half of the US work force. At any given time, about 10% of those female workers of child-bearing age (15–44 years of age) will be pregnant. Because many women are employed in occupations that require the use of protective facemasks, such as medical/surgical masks and FFR, NIOSH conducted research into the safety of FFR use while pregnant. The most frequently used FFR in the US is the N95 FFR...
Experimental and modeling study of thermal exposure of a self-contained breathing apparatus (SCBA)
An experimental apparatus designed to study firefighter safety equipment exposed to a thermal environment was developed. The apparatus consisted of an elevated temperature flow loop with the ability to heat the air stream up to 200°C. The thermal and flow conditions at the test section were characterized using thermocouples and bi-directional probes. The safety equipment examined in this study was a self-contained breathing apparatus (SCBA), including a facepiece and an air cylinder. The SCBA facepiece was placed on a mannequin headform and coupled to a breathing simulator that was programmed...
Effects of air bottle design on postural control of firefighters
The purpose of this study was to investigate the effect of firefighter's self-contained breathing apparatus (SCBA) air bottle design and vision on postural control of firefighters. Twenty-four firefighters were tested using four 30-minute SCBA bottle designs that varied by mass and size. Postural sway measures were collected using a forceplate under two visual conditions (eyes open and closed) and two stance conditions (quiet and perturbed stances). For perturbed stance, a mild backward impulsive pull at the waist was applied. In addition to examining center of pressure postural sway measures...
Lack of Adherence to Respiratory PPE Seen During First Wave of H1N1 Pandemic
Many healthcare professionals were exposed to the 2009 H1N1 influenza virus during the first wave of the pandemic because they were not using respiratory protection and/or other pieces of personal protective equipment (PPE). David B. Banach MD, MPH, of the Department of Medicine at Mount Sinai School of Medicine in New York, and colleagues, suggest that unprotected exposures tended to be more frequent among healthcare workers caring for patients with atypical clinical presentations. http://www.infectioncontroltoday.com/news/2011/03/lack-of-adherence-to-respiratory-ppe-seen-during-first-wave-of...
Que faire? Face à l'incendie
Intervenir sous protection respiratoire Des conseils pratiques de professionnels de la formation à la lutte contre le feu et plus de 60 illustrations inédites pour : - comprendre les objectifs et les moyens de la protection respiratoire ; - connaître le matériel, savoir le choisir et l'entretenir ; - mémoriser les gestes essentiels pour intervenir en sécurité sous protection respiratoire ; - adapter son organisation et ses modes opératoires en fonction de ses risques et des interventions à prévoir. Source : http://www.cnpp...

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