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Dissertations / Theses on the topic 'Environmental and occupational health'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Dine, Garry Y. B. "Occupational health and safety hazards affecting environmental health officers." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2023. https://ro.ecu.edu.au/theses/2743.

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Environmental health is the branch of public health concerned with the relationships between humans and their environment, and environmental health officers (EHOs) are entrusted with the responsibility of monitoring and mitigating factors in the environment that can affect peoples’ health and wellbeing. Their work includes investigating, sampling, measuring and assessing hazardous environmental agents in various environmental media and settings.This essential service can expose them to numerous physical, chemical, biological and psychosocial hazards. The multifaceted and diverse working enviro

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2

Capuano, Ana W. "Constrained ordinal models with application in occupational and environmental health." Diss., University of Iowa, 2012. https://ir.uiowa.edu/etd/2450.

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Occupational and environmental epidemiological studies often involve ordinal data, including antibody titer data, indicators of health perceptions, and certain psychometrics. Ideally, such data should be analyzed using approaches that exploit the ordinal nature of the scale, while making a minimum of assumptions. In this work, we first review and illustrate the analytical technique of ordinal logistic regression called the "proportional odds model". This model, which is based on a constrained ordinal model, is considered the most popu

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3

Gonzales, Melissa 1963. "Occupational exposure to azinphos-methyl: Correlating biological markers to environmental residue levels." Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/291604.

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Peach harvester exposure to azinphos-methyl (AZM) residues estimated by the Transfer Factor (TF) ratio of Dislodgeable Foliar Residue (DFR) to Daily Dermal Exposure (DDE) was compared to estimates based on the relationship between dermal exposure and dialkylphosphate metabolite excretion. DFR was monitored in four orchards from the time of pesticide application through harvest. Eleven male harvesters wore cotton tee-shirt dosimeters and provided area-specific skin washes and wipes for DDE monitoring during work operations. Urinary dialkylphosphate metabolites of AZM were also monitored and com

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4

Fortune, Tracy. "Establishing an occupational milieu in aged mental health units : an occupational ethnography." Phd thesis, Faculty of Health Sciences, 2003. http://hdl.handle.net/2123/5458.

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5

Kaplanis, Gina Ferra. "Harnessing Nature for Occupational Therapy: Interventions and Health Promotion." Diss., NSUWorks, 2019. https://nsuworks.nova.edu/hpd_ot_student_dissertations/66.

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Literature is beginning to emerge which states that participation in natural environments can be restorative, provide much needed physical activity and assist with health promotion and prevention of illness. Theories such as Attention Restoration Theory (Kaplan, 1995) and Biophilia Hypothesis (Wilson, 1993) support the benefits for participation in natural outdoor environments. Health benefits of participation in nature including accessing Vitamin D, improving balance, attention restoration, reduced myopia, stress reduction are widely present in literature. Despite the health benefits of par

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6

Cartwright, Elizabeth 1959. "Malignant emotions: Indigenous perceptions of environmental, social and bodily dangers in Mexico." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282765.

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This dissertation is based on ethnographic fieldwork conducted in San Pedro Amuzgos, Oaxaca and on La Coasta Hermosillo, Sonora, Mexico. In it I trace the movements of migrant farmworkers who come from southern Mexico to work in the grape fields of Sonora. Within that context of movement and change, I focus on understanding how illnesses are perceived and how they are healed. First I explore this issue, in depth, in their homeplace in rural Oaxaca. I follow specific illness events among residents of Amuzgos and I allow individuals actions and their reflections on those actions act as a correct

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7

Gubernot, Diane M. "Occupational Heat-Related Mortality in the United States, 2000-2010| Epidemiology and Policy Recommendations." Thesis, The George Washington University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3670444.

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<p> Heat stress due to ambient outdoor temperatures is a workplace hazard that has not been well studied or characterized. The incidence of occupational heat-related illness is unknown. Heat-related morbidity and mortality have been well-studied at the population level, however it cannot be determined if these findings extend systematically to workers exposed to high heat conditions. Remarkably, there is no U.S. federal standard to protect workers from the peril of elevated environmental temperatures and few states have protective regulations. This dissertation research will add to the limited

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8

Lundblad, Perita, and Joanna Stassos. "Hur kan olika individers upplevda hälsa och fysiska krav i arbetet se ut inom skilda yrkesområden på Stockholms Stadsmission? : En kvantitativ studie." Thesis, Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-57.

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<p>Syfte och frågeställningar: Den här uppsatsens syfte var att ta reda på personalens upplevda hälsa och fysisk arbetskapacitet, fysiska krav i arbetet, samt motionsvanor inom Stockholms Stadsmission. Frågeställningarna var: Hur kan olika individers upplevda hälsa och fysiska krav i arbetet se ut inom skilda yrkesområden på ett och samma företag? Kan den fysiska arbetskapaciteten inom olika yrkesområden påverkas av motionsvanor? Kan rökning vara en faktor som påverkar upplevd hälsa och motionsvanor?</p><p>Metod: Datainsamlingen bestod av enkätundersökning, stegmätning samt steptest för beräkn

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9

Larsson, Felicia. "Outdoor Office, for work in nature : Ett konceptuell idé med fokus på hälsa, distansarbete och service design." Thesis, Konstfack, Industridesign, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:konstfack:diva-7761.

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10

POGNANT, FEDERICA. "Environmental sustainability and Occupational Safety and Health in the forest energy chain for small generation systems." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2671488.

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Among the different renewable energies, there has been in recent years a great spreading of the use of wood biomass. In particular the short wood energy chain with the implementation of micro-generation plants supplied by near woods is considered a particularly sustainable solution for the production of heat. This solution, because of the limited economic resources and small size, has often management issues as regards the implementation of the best available solutions regarding the environmental sustainability and the Occupational Safety and Health. The aim of this work is the identification

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11

Allen, Andre Ramon. "A Technical Communication Internship at The National Institute for Occupational Safety and Health (NIOSH)." Miami University / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=miami1102077601.

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12

Squillace, Mary. "Fine Motor Skills and the Occupations of Young Adults with Multiple Sclerosis." Diss., NSUWorks, 2018. https://nsuworks.nova.edu/hpd_ot_student_dissertations/62.

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Objective: Multiple sclerosis (MS) is one of the most common neurological diseases affecting adults of working age, and those of younger ages of onset have been increasingly recognized. Twenty-seven percent of people with MS (PwMS) are age 30 years old or younger. The burden of MS for young adults puts them at risk for poorer outcomes regarding their education, family planning, vocation, and social skills as they transition to adulthood. Fine motor (FM) skill impairment might impede performance within the daily occupations of young adults who are transitioning into adulthood. Few studies focus

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13

Silver, Ken, Ying Li, Emmanuel Odame, and Yuqiang Zhang. "Effects of Global Warming on Work-Rest Routines for Crop Workers in Appalachia." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/2629.

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Background: Workers in outdoor occupations are expected to be at high risk of increased morbidity and mortality, and diminished productivity, as a result of global warming in the 21st century. A previous modelling study of geographic variations in heat-related mortality risk in projected U.S. populations mid-century showed the states of Tennessee, Kentucky and North Carolina to be highly vulnerable. Methods: Under both the RCP4.5 and RCP8.5 emissions scenarios of IPCC AR5, we evaluate the effect of future warming on estimated Wet Bulb Globe Thermometer (WBGT) temperatures using model-simulated

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14

Truskowski, Scott. "Leadership within Occupational Therapy : A Mixed Methods Study." Diss., NSUWorks, 2017. https://nsuworks.nova.edu/hpd_ot_student_dissertations/60.

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PURPOSE: This sequential embedded mixed methods study first identified the ways in which occupational therapy leaders experience leadership, then explored the ways in which those same leaders utilized their professional training as occupational therapists within their practice of leadership. METHODS: The twelve participants held formal leadership positions in either academia, clinical practice, or professional associations. The ecology of human performance model of practice was utilized to frame the research study. Data was collected through an initial interview with all 12 participants and th

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15

Scheiman, Nicole Renee. "Comprehensive Occupational Therapy in a Breast Cancer Program." NSUWorks, 2018. https://nsuworks.nova.edu/hpd_ot_student_dissertations/63.

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The purpose of this capstone project is to develop an evidenced-based, innovative, and comprehensive occupational therapy evaluation and intervention protocol for breast cancer care. The contents of this paper will include an introduction into the current care provided to survivors, literature review on best practice in breast cancer care, outline of the procedures completed to discover what best practice care should be, results of these procedures, discussion of the results, and conclusion with proposed program and recommendations for further investigation. The concern investigated is the inc

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16

Miller-Scott, Cheryl. "Evidence-Based Health Literacy Training Program for Occupational Therapy Professionals : Program Development and Evaluation." NSUWorks, 2014. https://nsuworks.nova.edu/hpd_ot_student_dissertations/2.

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This capstone project is a training program development and evaluation project. The purpose of the project was to develop, pilot, and evaluate an evidence-based health literacy training program for occupational therapy professionals. Occupational therapy strives to be a science-driven profession, which provides client-centered care. Health literacy is a client-centered factor for which occupational therapy professionals require additional training to best serve their clients in all settings and across the lifespan. A review of health literacy literature was used in this project to develop the

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17

Suder, Ryan Christopher. "Lived Experience of Adolescents with Chronic Pain: A Phenomenological Study." Diss., NSUWorks, 2016. https://nsuworks.nova.edu/hpd_ot_student_dissertations/53.

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The purpose of this phenomenological study was to understand the lived experience of adolescents who live with chronic pain. All 10 participants were between the ages of 13 and 17 and have lived with chronic pain for at least 6 months. Data sources for the study were two interviews for each participant, participant drawn depictions of their chronic pain, and researcher journaling. The person-environment-occupation model was used to frame the research design. The study found four main themes among the data: pain identity, invisible disease, occupational loss, and uphill climb to regain life. Ea

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18

Augustine, Steven. "Sound Attenuation Performance of Fiber-reinforced Polymer Composite Circumaural Hearing Protection Devices." Thesis, University of South Florida, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1595804.

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<p> Personnel who work on the flight deck of an aircraft carrier are exposed to extreme levels of jet engine noise often in excess of 140 decibels (dB). The current circumaural hearing protective devices (CAHPD) employed by flight deck crewmen are inadequate for the level of protection required for these extreme levels of noise. Fiber-reinforced thermoset polymer composite (FRPC) materials such as aramid fibers used in body armor, have high theoretical values of acoustic impedance due to a fundamentally high modulus of elasticity and may offer a superior level of hearing protection over origin

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19

Schmelzer, Laura. "Uncovering the complexities associated with promoting health : mothers' perceptions of the challenges and supports to raising healthy children in today's society." Thesis, NSUWorks, 2011. https://nsuworks.nova.edu/hpd_ot_student_dissertations/7.

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November 2011. "Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Occupational Therapy Department, College of Allied Health and Nursing, Nova Southeastern University." Childhood obesity has been identified as a serious public health concern for over a decade. To date, no one has examined the complex interactions which seem to be occurring within this epidemic using an exploratory approach. The purpose of this qualitative research study was to explore the complex interaction between the decisions mothers make when attempting to promote health in

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20

Shockey, Taylor Morgan. "Analysis and Interpretation of Occupational Exposure Monitoring Data from the Occupational Safety and Health Administration’s Integrated Management Information System (IMIS) and OSHA Information System (OIS), 1979 – 2015." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu155715411553358.

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21

Simon, Philippe 1964. "Long-term integrated sampling to characterize airborne volatile organic compounds in indoor and outdoor environments." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34455.

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Sampling methods used for the assessment of exposure to volatile organic chemicals (VOCs) in the workplace or for environmental studies are now limited to an upper integrative sampling time of 24 hours or less. Generally, these methods lack versatility and are difficult to use. A passive sampler that can extend sampling periods was developed as part of this research. This novel sampler relies on capillary tubes to restrict and control ambient air entry into an evacuated sample container.<br>A mathematical model was derived by modifications to the Hagen-Poiseuille and ideal gas laws. This model

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22

Palm, Peter. "Efficient methods for assessment of physical load at work." Licentiate thesis, Uppsala universitet, Arbets- och miljömedicin, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-278965.

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23

Wik, Christine, and Emelie Lander. "Organisatoriska orsaker till stressproblematik : Stressintervention i ett globalt verkstadsföretag." Thesis, KTH, Skolan för teknik och hälsa (STH), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-122200.

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Bakgrund:Arbetsrelaterad stress är något som orsakar problem i samhället, både för individer och för företag. I syfte att på organisatorisk nivå reducera orsaker till stress har ett globalt verkstadsindustriföretag beslutat att genomföra ett stressinterventionsprojekt. Syftet: Utifrån en kartläggning av den psykosociala arbetsmiljön identifieras organisatoriska, stressrelaterade faktorer. Företagshälsovårdens roll att tillsammans med personalavdelningen och cheferna i det aktuella företaget initiera förbättringar av den psykosociala arbetsmiljön observeras och analyseras. Avgränsningar: Magist

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Rossner, Alan. "The development and evaluation of a novel personal air sampling canister for the collection of gases and vapors /." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84428.

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A continuing challenge in occupational hygiene is that of estimating exposure to the multitude of airborne chemicals found in the workplace and surrounding community. Occupational exposure limits (OELs) have been established to prescribe the acceptable time weighted average for many different chemicals. Comparing the OELs to the measured workplace concentration allows occupational hygienists to assess the health risks and the need for control measures. Hence, methods to more effectively sample contaminants in the workplace are necessary to ensure that accurate exposure characterizations

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25

Borg, Tornberg Anette, and Anna Hurtig. "Bärbara datorer, en möjlig källa för nickel- och koboltexponering av hud? : Direktvisande tester för nickel och kobolt på bärbara datorer och frisättningsförsök på en bärbar dator." Thesis, KTH, Ergonomi (Stängd 20130701), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-106240.

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Background: Since1994, the EU NickelDirective is limiting the release of nickel from objects that are in prolongedcontact with skin. Despite this, nickel is still the most common cause of contactallergy in industrialized countries. This could implicate that other productswith short contact to the skin, which are not restricted by EU´s legislation inREACH (Registration, Evaluation, Authorisation and Restriction of Chemicalsubstances), could be a source of nickel or cobalt exposure. There is no limitfor cobalt release within REACH. To determine if there is cobalt or nickelpresent on the surface

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26

Fishman, Benjamin. "Influence of Environmental Parameters on Mold Sampling Results." Scholar Commons, 2017. http://scholarcommons.usf.edu/etd/6838.

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Mold is a type of fungus present in nearly all environments. Mold thrives under several environmental parameters such as high humidity and an adequate food source. A professional, such as an industrial hygienist, can measure mold in indoor and outdoor environments. Industrial hygienists commonly use a cascade impactor with a culture plate to capture air within a sampling area. While collecting air samples, environmental parameters such as temperature, humidity, and carbon dioxide are recorded. A laboratory then cultures and analyzes the samples, identifying the types and amounts of viable mold

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Traviss, Nora M. "Integration of Analysis and Deliberation to Evaluate Biodiesel Occupational and Environmental Exposures." Antioch University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1216924432.

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28

Popplewell, Ainslie. "Occupational health and safety in the workplace reform environment : striving for best practice occupational health and safety in the Email Washing Products divisions." Thesis, Federation University Australia, 1993. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/164910.

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29

Hassan, Syed Ahmed. "Health, safety and environmental practices in the construction sector of Pakistan." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-183327.

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Many south Asian countries are deficient in appropriate documentation, legislation and surveillance related to occupational health and safety (OHS). All these countries have high OHS incidence rate and labourers working in these countries are constantly exposed to occupational accidents and diseases. Although occupational accidents and work-related concerns have been in debate for a long time, no concrete moves have been taken, making situations worse and posing consistent coercions to an increasing labour force. The current research was carried out to examine the main hazards faced by constru

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30

Eales, Carole A. "Occupational stress amongst physiotherapists working within a National Health Service environment." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287353.

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31

Postma, Julie Marie. "Environmental justice discourses in El Proyecto Bienestar (The Well Being Project) /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/7314.

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32

Loury, Sharon D., Ken Silver, Joe Florence, et al. "Early Occupational Pesticide Exposure in a Migrant Farmworker Population." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/8203.

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Loury, Sharon D., Karin Hoffman, Ken Silver, et al. "Early Occupational Pesticide Exposure in a Migrant Farmworker Population." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/8205.

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INTRODUCTION. The enhanced susceptibility of children and adolescents to the adverse effects of pesticides is a priority of regulatory agencies, whose primary concern is typically the development of risk-based regulations to protect consumers and the general population. An important subpopulation occupationally exposed to pesticides at an early age is the children of migrant and seasonal farmworkers (MSFWs). Because this group is difficult to access, information is sparse on their age distributions and chemical exposure. EPA pesticide regulations do not adequately address these younger workers

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Almario, David R. "The Ability of the U.S. Military’s WBGT-based Flag System to Recommend Safe Heat Stress Exposures." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7727.

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The U.S. military currently uses a flag system based on wet-bulb globe temperature (WBGT) and metabolic rate to recommend heat stress exposure limits. This paper addresses the ability of the flag system to recommend safe heat exposures in a non-military population. Two progressive heat stress studies provided data on 528 observations of safe or unsafe exposures of 4 hours over a range of WBGT conditions and metabolic rates using 29 participants wearing woven cotton clothing. For the two studies, range of WBGT conditions was 25 to 42C, and the range of metabolic rates was 100 to 650 watts. The

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BELGA, ILZA MARIA FRANCO. "PROCESS OF INTEGRATION AND IMPLEMENTATION OF QUALITY MANAGEMENT SYSTEM, ENVIRONMENTAL MANAGEMENT SYSTEMS AND SECURITY AND OCCUPATIONAL HEALTH SYSTEMS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=10666@1.

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Esta dissertação propõe um processo de integração e implantação dos sistemas de gestão da qualidade, meio-ambiente e segurança e saúde ocupacional, os quais, atualmente, operam de forma isolada numa empresa. O negócio da empresa em questão é a produção de gases industriais e pretende que o processo de integração considere a cultura da organização e os esforços movidos nesta direção. A metodologia utilizada para a integração da gestão dos sistemas já é de uso e conhecimento das organizações e da academia e foi selecionada conforme equipe experiente e designada para este propósito, parti

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Brandford, Arica A. "RACE-BASED DISCRIMINATION, OCCUPATIONAL STRESS, AND DEPRESSION IN BLACK REGISTERED NURSES." UKnowledge, 2019. https://uknowledge.uky.edu/nursing_etds/46.

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The purpose of this dissertation was to examine depression, experiences of work-related racism, and occupational stress among black nurses. Nursing is a highly stressful and demanding profession that can negatively affect health. Underscoring this is the high rate of depression experienced by nurses. In fact, nurses experience depression at a rate twice that of individuals in other occupations. Examining depression in nurses can provide insights that can inform measures addressing the psychological health of this group. This may be particularly important in black nurses who, in addition to the

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Reynolds, Tiffany L. "Analysis of Occupational Safety Practices across Regional Campuses at Ohio University." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398849131.

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Aquino, Theodore. "Comparison of Urinary PAHs among Firefighters and Asphalt Pavers." Thesis, University of South Florida, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10103851.

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<p>Firefighters and asphalt pavers are exposed to polycyclic aromatic hydrocarbons (PAHs) during various work activities. The purpose of this study was to evaluate urinary PAH levels and compare these bio-monitoring levels among firefighters, asphalt pavers, and non-occupationally exposed individuals. The National Institute of Standards and Technology (NIST) urinary PAH levels were used for non-occupationally exposed controls. When compared to the NIST standard for smokers and non-smokers, firefighters demonstrated statistically significant differences in urinary concentration differences for

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Juneby, Hans Bertil. "Sunlight - Essential for Health." Thesis, Umeå universitet, Yrkes- och miljömedicin, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-54040.

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Sunlight is recognized as one of the most important environmental factors that influence human health. There is strong evidence in the scientific literature that adequate exposure to sunlight is associated with many physical and mental health benefits, including reduced overall mortality, prevention of many deadly forms of cancer, as well as a number of metabolic, cardiovascular, autoimmune, infectious and neuropsychatric diseases. Vitamin D deficiency, which is mainly due to insufficient exposure to sunlight, is now one of the most common medical conditions, estimated to affect more than a bi

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Shetler, Michael Ray. "Waste minimization, household hazardous waste, and a model curriculum guide for regional occupational programs for the County of Riverside Department of Health Environmental Health Services." CSUSB ScholarWorks, 1990. https://scholarworks.lib.csusb.edu/etd-project/528.

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41

Sun, Kainan. "Field calibration of the glass-based retrospective radon detectors for epidemiologic applications." Diss., University of Iowa, 2008. http://ir.uiowa.edu/etd/25.

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42

Fu, Xi. "Self-rated health and respiratory symptoms among civil aviation pilots : Occupational and non-occupational risk factors." Doctoral thesis, Uppsala universitet, Arbets- och miljömedicin, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-318806.

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There is concern about the indoor environment in aircraft but few stud-ies exist on self-rated health (SRH) and respiratory symptoms among pilots. Occupational and non-occupational risk factors for SRH, respira-tory symptoms and other symptoms among commercial pilots were investigated in this thesis. One cohort study and one prevalence study were performed among pilots in one Scandinavian airline company. Fungal DNA, furry pet allergens and volatile organic compounds of microbial origin (MVOC) were measured on board. Cat (fel d1), dog (Can f1) and horse (Ecu cx) allergens were found in all dus

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Byrne, Jill. "Occupational Heat Stress May Impact Surgeons' Thermal Comfort, Body Temperature, and Cognitive Performance." Case Western Reserve University School of Graduate Studies / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=case1620764717903713.

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44

Mendy, Angelico. "House dust endotoxin: associated respiratory outcomes and effectiveness of environmental interventions." Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6613.

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Background: Endotoxin is a lipopolysaccharide located on the outer membrane of the cell wall of Gram-negative bacteria that is widespread in the environment. Although domestic endotoxin has been found to be associated with asthma and wheeze, its association with chronic obstructive pulmonary disease (COPD) is unclear. It is also unknown how environmental exposures influence the relationship between endotoxin and asthma and very few studies have investigated the effectiveness of interventions in reducing endotoxin in the homes of people with asthma. Goals: The goals of this dissertation were to

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Umukoro, Peter Eloho. "Fine Particulate Exposure and Cardiac Autonomic Effects in Boilermakers." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:16121134.

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Background: Heart Rate Variability (HRV) as a research outcome has the potential for misclassification due to its inability to account for changes in the heart rate. HRV can be parsed into Acceleration Capacity (AC) and Deceleration Capacity (DC) which address these limitations. Objectives: To investigate the associations between AC and DC with short-term and long-term metal PM2.5 exposures; and examine if these associations are mediated by inflammation. Methods: A panel of 45-50 male welders, mean age 39-40 years, had continuous PM2.5 exposure during typical welding work shifts for 4-6 hour

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Deadman, Jan-Erik. "Estimation of exposures to extremely low frequency electric and magnetic fields." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ29919.pdf.

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Balkhyour, Mansour. "Factors that affect respirator fit-testing programs." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/289239.

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Respirators are used to minimize the exposure to air contaminants. A good fit is essential for the effective functioning of a respirator. The Occupational Safety and Health Administration (OSHA) requires an annual respirator fit testing. Respirator fit can be assessed either qualitatively or quantitatively. Two studies were conducted to assess the fit testing program with specific objectives to: (1) assess leak rates in full and half mask respirators; (2) assess the effectiveness of "feedback"1 on the quality of fit; (3) evaluate the effect of daily beard growth on respirator leak rates. In th

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Gunnarsson, Kristina. "Entrepreneurs and Small-Scale Enterprises : Self Reported Health, Work Conditions, Work Environment Management and Occupational Health Services." Doctoral thesis, Uppsala universitet, Arbets- och miljömedicin, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-126549.

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This thesis focused on factors contributing to improved work environment in small-scale enterprises and sustainable health for the entrepreneurs. In Study I, implementation of the provision of Systematic Work Environment Management (SWEM) with and without support was investigated. Two implementation methods were used, supervised and network method. The effect of the project reached the employees faster in the enterprises with the supervised method. In general, the work environment improved in all enterprises. However, extensive support to small-scale enterprises in terms of advice and networki

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Hed, Ekman Annika. "Effects of an intervention to increase physical activity and reduce sedentary time in workers with neck pain : A randomized controlled study." Thesis, Högskolan i Gävle, Avdelningen för arbets- och folkhälsovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-21892.

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Background: Chronic neck pain is a problem that may be prevented and treated by physical activity. Little is known about effective interventions to increase physical activity in workers with neck pain. Objective: To evaluate the effects of an intervention aimed at increasing physical activity among workers with chronic neck pain. Design: A 10-week randomized controlled study in a population of 35 (intervention n= 19, control n= 16) workers. Physical activity was assessed using a tri-axial accelerometer pre and post the intervention. Outcomes: Daily steps, metabolic equivalent, proportions of t

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Vogel, Kyle. "Characterization of Waste Anesthetic Gas Exposures to Veterinary Workers in the Tampa Bay area." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5324.

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Veterinarians routinely conduct surgical operations on animals while veterinary technicians administer anesthetic gas to sedate the animal prior to an operation. One commonly used anesthetic agent in veterinary clinics is isoflurane. Veterinary workers have the potential to be exposed to this gas during surgical operations. The Occupational Safety and Health Administration (OSHA) does not have a specific Permissible Exposure Limit (PEL) for isoflurane, however The National Institutes for Health (NIH) does advise that workers should not be exposed to isoflurane in concentrations exceeding 2 par

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