Public Health Commons^™

Développement D'Une Méthode De Mesure De La Pénétration Des Nanoparticules À Travers Les Matériaux De Gants De Protection Dans Des Conditions Simulant L'Utilisation En Milieu De Travail, Patricia Dolez, Ludwig Vinches, Gérald Perron, Toan Vu-Khanh, Philippe Plamondon, Gilles L'Espérance, Kevin Wilkinson, Yves Cloutier, Chantal Dion, Ginette Truchon

Rapports de recherche scientifique

En raison de la croissance exponentielle des applications industrielles des nanotechnologies et de l'augmentation associée des risques d'exposition professionnelle aux nanomatériaux, le principe de précaution a été recommandé. Afin de le mettre en œuvre et même s'ils ne doivent être considérés qu'en dernier recours dans la stratégie de maîtrise des risques, des équipements de protection individuelle contre les nanoparticules doivent être disponibles. Dans le but de combler le manque actuel en termes d'outils et de connaissances dans ce domaine, une méthode de mesure de la pénétration des nanoparticules à travers les matériaux de gants de protection dans des conditions simulant …

Using Physiologically-Based Pharmacokinetic Models To Incorporate Chemical And Non-Chemical Stressors Into Cumulative Risk Assessment: A Case Study Of Pesticide Exposures, Susan C. Wason, Thomas J. Smith, Melissa J. Perry, Jonathan I. Levy

Environmental and Occupational Health Faculty Publications

Cumulative risk assessment has been proposed as an approach to evaluate the health risks associated with simultaneous exposure to multiple chemical and non-chemical stressors. Physiologically based pharmacokinetic/pharmacodynamic (PBPK/PD) models can allow for the inclusion and evaluation of multiple stressors, including non-chemical stressors, but studies have not leveraged PBPK/PD models to jointly consider these disparate exposures in a cumulative risk context. In this study, we focused on exposures to organophosphate (OP) pesticides for children in urban low-income environments, where these children would be simultaneously exposed to other pesticides (including pyrethroids) and non-chemical stressors that may modify the effects of these exposures …

Prioritization Of Biomarker Targets In Human Umbilical Cord Blood: Identification Of Proteins In Infant Blood Serving As Validated Biomarkers In Adults, Nicole Hansmeier, Tzu-Chiao Chao, Lynn R. Goldman, Frank R. Witter, Rolf U. Halden

Environmental and Occupational Health Faculty Publications

Background: Early diagnosis represents one of the best lines of defense in the fight against a wide array of human diseases. Umbilical cord blood (UCB) is one of the first easily available diagnostic biofluids and can inform about the health status of newborns. However, compared with adult blood, its diagnostic potential remains largely untapped.

Objectives: Our goal was to accelerate biomarker research on UCB by exploring its detectable protein content and providing a priority list of potential biomarkers based on known proteins involved in disease pathways.

Methods: We explored cord blood serum proteins by profiling a UCB pool of 12 …

Effects Of Temperature On Emergence And Seasonality Of West Nile Virus In California, David M. Hartley, Christopher M. Barker, Arnaud Le Menach, Tianchan Niu, Holly Gaff, William K. Reisen

Biological Sciences Faculty Publications

Temperature has played a critical role in the spatiotemporal dynamics of West Nile virus transmission throughout California from its introduction in 2003 through establishment by 2009. We compared two novel mechanistic measures of transmission risk, the temperature-dependent ratio of virus extrinsic incubation period to the mosquito gonotrophic period (BT), and the fundamental reproductive ratio (R₀) based on a mathematical model, to analyze spatiotemporal patterns of receptivity to viral amplification. Maps of BT and R₀ were created at 20-km scale and compared throughout California to seroconversions in sentinel chicken flocks at half-month intervals. Overall, estimates of BT and …

Peningkatan Pengetahuan Dan Keterampilan Masyarakat Tentang Cara Aman Menggunakan Tabung Gas 3 Kg, Fatma Lestari, Budi Hartono

Kesmas

Konversi penggunaan minyak tanah ke tabung liquified petroleum gas (LPG) merupakan kebijakan yang bertujuan untuk mengurangi subsidi bahan bakar minyak. Namun, program ini menuai beberapa permasalahan dari aspek keselamatan seperti terjadi kebakaran, ledakan yang mengaki- batkan jatuhnya korban jiwa, luka-luka, ataupun kerugian material. Statistik menunjukkan kejadian ledakan dan kebakaran tabung LPG 3 kg pada pengguna cukup tinggi antara tahun 2010 – 2011. Penelitian ini bertujuan untuk mengetahui peningkatan pengetahuan dan keterampilan masyarakat pengguna LPG 3 kg tentang cara aman menggunakan tabung LPG 3 kg setelah dilakukan program intervensi melalui penyuluhan dan pelatihan. Lokasi penelitian ini dilakukan di Kelurahan Tirtajaya, Depok. …

Résultats Des Analyses De Substances Chimiques Produites À L’Irsst Pour Chaque Région Administrative Du Ministère De La Santé Et Des Services Sociaux Pour La Période 2001-2008, Claude Ostiguy, Simon Morin, Gilles Bensimon, Marc Baril

Rapports de recherche scientifique

Le réseau québécois de prévention compte plusieurs centaines de personnes qui interviennent régulièrement dans les établissements afin d'y prélever des échantillons permettant d'évaluer la qualité de l'air dans le cadre de leur mandat. Ces échantillons sont analysés à l'IRSST.

De 2001 à 2008, dans le cadre de l'entente de service avec la CSST et son réseau (MSSS et ASP), des rapports annuels de même qu'un rapport synthèse sur les huit années ont permis d'identifier certaines substances retrouvées en fortes concentrations dans différents secteurs industriels. Compte tenu de la grande variabilité des activités économiques selon les différentes régions du Québec, le …

Interaction Entre La Gestion Des Ressources Humaines Et La Sst : L’Enseignement Aux Futurs Gestionnaires, Sylvie Gravel, Monique Lortie, Henriette Bilodeau, Jessica Dubé

Rapports de recherche scientifique

Plusieurs disciplines, dont l’ergonomie, la médecine, la toxicologie, l’andragogie et bien d’autres, ont contribué à l’avancement des connaissances en santé et sécurité au travail (SST). Malgré les avancées scientifiques, un défi demeure, celui de développer les habiletés des gestionnaires et de sensibiliser ces derniers à leur rôle dans la prise en charge des mesures correctrices et préventives en matière de santé et de sécurité. Une équipe de professeurs de l’Université du Québec à Montréal (UQAM) a proposé de relever ce défi en constituant une banque d’études de cas destinée à l’enseignement aux futurs gestionnaires. Les cas ont été élaborés à …

Mesures Par Ultrasons Des Muscles Profonds Du Tronc : Évaluation De La Fidélité Intra Et Interévaluateurs : Programme Repar - Irsst, Christian Larivière, Dany Gagnon, Eros De Oliveira, Sharon Henry, Hakim Mecheri, Jean-Pierre Dumas, Roger Vadeboncoeur

Rapports de recherche scientifique

Introduction

Afin de compléter les outils nécessaires pour évaluer et valider différents programmes d'exercices visant à favoriser le retour au travail chez des travailleurs ayant une lombalgie chronique, des outils d'évaluation de certaines déficiences lombaires doivent être implantés et évalués. Afin d'évaluer les fonctions jouées par les muscles profonds du tronc, des mesures par ultrasons ont été développées. Les objectifs de la présente recherche sont (1) d'importer cette expertise dans notre groupe de recherche (2) de développer les outils d'analyse nécessaires pour extraire les mesures requises des images produites et (3) d'évaluer la fidélité INTRA- et INTER-évaluateurs de ces mesures. …

Association Between Workplace And Housing Conditions And Use Of Pesticide Safety Practices And Personal Protective Equipment Among North Carolina Farmworkers In 2010, Donna L. Levesque, Ahmed A. Arif, Ji Shen

School of Health Sciences Publications

Background: There are inconsistencies about the effects of farmworker housing and workplace conditions and use of self-protective behavior practices and personal protective equipment (PPE). Objective: To investigate the association between workplace and housing conditions and farmworker use of pesticide safety practices and PPE. Methods: This study was conducted in 4 counties in North Carolina, USA, from July to October, 2010, during the agricultural growing season. Farmworkers working in agriculture aged 18 to 62 (n=187) were administered a structured questionnaire to collect self-reported measures on housing and workplace conditions. Use of pesticide safety and PPE were examined by asking questions about …

Environmental Exposure To Polychlorinated Biphenyls And P,P'-Dde And Sperm Sex-Chromosome Disomy, Megan E. Mcauliffe, Paige L. Williams, Susan A. Korrick, Larisa M. Altshul, Melissa J. Perry

Environmental and Occupational Health Faculty Publications

Background: Chromosomal abnormalities contribute substantially to reproductive problems, but the role of environmental risk factors has received little attention.

Objectives: We evaluated the association of polychlorinated biphenyl (PCB) and dichlorodiphenyldichloroethylene (p,p´-DDE) exposures with sperm sex-chromosome disomy.

Methods: We conducted a cross-sectional study of 192 men from subfertile couples. We used multiprobe fluorescence in situ hybridization (FISH) for chromosomes X, Y, and 18 to determine XX, YY, XY, and total sex-chromosome disomy in sperm nuclei. Serum was analyzed for concentrations of 57 PCB congeners and p,p´-DDE. Poisson regression models were used to calculate incidence rate ratios (IRRs) for …

Association Between Workplace And Housing Conditions And Use Of Pesticide Safety Practices And Personal Protective Equipment Among North Carolina Farmworkers In 2010, Donna L. Levesque, Ahmed A. Arif, Ji Shen

Walden Faculty and Staff Publications

Background: There are inconsistencies about the effects of farmworker housing and workplace conditions and use of self-protective behavior practices and personal protective equipment (PPE). Objective: To investigate the association between workplace and housing conditions and farmworker use of pesticide safety practices and PPE. Methods: This study was conducted in 4 counties in North Carolina, USA, from July to October, 2010, during the agricultural growing season. Farmworkers working in agriculture aged 18 to 62 (n=187) were administered a structured questionnaire to collect self-reported measures on housing and workplace conditions. Use of pesticide safety and PPE were examined by asking questions about …

Linking Authentic Leadership To Positive Employee Health, Behavioral Engagement, And Job Performance, Yan Liu

Doctoral Dissertations

In recent years, there has been increasing interest in the emerging field of positive organizational behavior. The field of Positive Organizational Behavior (POB) has its roots in the concept of "positive psychology" (Bakker & Schaufeli, 2008) but is more narrowly defined as "the study and application of positively oriented human resources strengths and psychological capacities that can be measured, developed, and effectively managed for performance improvement in today's workplace" (Luthans, 2002, p.698). More and more researchers have begun to emphasize what is right with people rather than focusing on what is wrong with people.

Given this opportunity, this dissertation explicitly …

Semi Tractor-Trailer Driver Dies In Median Crossover Crash; 10 Others Die, Kentucky Injury Prevention And Research Center

Fatality Case Reports--Motor Vehicle

At approximately 5:00 AM on a spring morning, a 45 year-old male semi-tractor trailer driver headed south on an interstate highway with a back-haul of brake drums. He crossed a 60’ grass depressed median, drove over a cable barrier, was struck by a northbound 15-passenger van with 12 occupants, hit a cut rock wall and caught fire. The semi truck driver and 10 occupants within the van died.

To prevent future occurrences of similar incidents, the following recommendations have been made:

Recommendation No. 1: Commercial vehicle carriers should establish and implement an appropriate comprehensive safety and driver training program that …

Steel Worker Falls From Highway Bridge And Dies, Kentucky Injury Prevention And Research Center

Fatality Case Reports--Falls

On a fall day in 2010, a 49 year-old steel worker fell from a highway bridge he was working from and died. The steel worker was in the process of leveling jacks for concrete forms. He had donned a fall protection harness with an attached lanyard then stepped outside the lifeline onto a 10”x2” wooden board to verify the jacks were level. As the steel worker stepped over the lifeline, he did not attach the lanyard and fell approximately 28 feet onto the railroad tracks below. He was taken to a nearby hospital where he died in surgery approximately two …

Critical Heat Stress Evaluation Of Two-Layer Clothing Ensembles And The Contributionof A Full-Face Negative Pressure Respirator, Oclla Michele Fletcher

USF Tampa Graduate Theses and Dissertations

Protective clothing ensembles are worn by workers as a barrier to chemical and physical hazards, but can restrict heat loss and increase worker heat stress. The question of whether a respirator adds to heat stress or strain burden is a continuing concern among occupational health professionals. The purpose of this study was to determine if there are differences in heat stress or strain among the current Toxicological Agent Protective (TAP) ensemble and two ensemble variations used in demilitarization of chemical weapons. Four acclimatized adult males wore five ensembles in a balanced design while walking in a climatic chamber at a …

Probabilistic Model For Laser Damage To The Human Retina, David A. Wooddell Jr.

Theses and Dissertations

Understanding how lasers interact with media during propagation is a premiere field of physics. The subject area known as laser bioeffects explores laser interactions with biological cells, tissues, organs, and bodies. This research includes laser applications used in medicine, establishes safe exposure limits for industry and academia, and generally studies the many effects of laser light on living creatures. The bioeffects community relies heavily on deterministic modeling and simulation tools to support experimental research into damage thresholds and laser effects. However, recent laser applications require a probabilistic approach to support risk management and analyses methodologies. Some probabilistic models exist, but …

Comparative Analysis Of Two Biological Warfare Air Samplers Using Live Surrogate Agents, James C. Enderby

Theses and Dissertations

The United States Air Force has several high-volume biological air samplers, including the XMX/2L-MIL and the Biocapture 650. Limited information is available on either in terms of its collection of viruses and bacteria. However, previous research on the XMX/2L-MIL has determined that modifications to the secondary flow rate and the use of a virus preserving collection media may provide improved virus collection rates. In this thesis, these modifications were investigated to determine their impact on the collection of viral and bacterial aerosols. Additionally, relative collection rates were compared against those for the Biocapture 650. MS2 bacteriophage was the viral surrogate …

Influence Of Ph On The Transport Of Silver Nanoparticles In Saturated Porous Media: Laboratory Experiments And Modeling, Jason R. Flory

Theses and Dissertations

Given the ubiquity of silver nanoparticles (AgNPs), the largest and fastest growing category of nanomaterials, and their potential for toxic effects to both humans and the environment, it is important to understand their environmental fate and transport. The purpose of this study is to gain information on the transport properties of unmodified AgNP suspensions in a glass bead-packed column under saturated flow conditions at different solution pH levels. Commercial AgNPs were characterized using high resolution transmission spectroscopy (HRTEM), dynamic light scattering (DLS) and ultraviolet (UV) visible spectroscopy. Transport data were collected at different pH levels (4, 6.5 and 9) at …

Identifikasi Bahaya Keselamatan Dan Kesehatan Kerja Pada Penangkapan Ikan Nelayan Muroami, Dimas Ari Dharmawirawan, Robiana Modjo

Kesmas

Kelautan Kepulauan Seribu pada tahun 2009 terdapat 1.722 penduduk berprofesi sebagai nelayan. Sebanyak 299 orang berprofesi nelayan muroami yang menghadapi bahaya keselamatan dan kesehatan kerja tinggi dan hingga saat ini mereka belum mengetahui bahaya pekerjaan tersebut. Penelitian deskriptif dengan analisis kualitatif ini, bertujuan mendapatkan gambaran bahaya kegiatan penangkapan ikan nelayan muroami di Kelurahan Pulau Panggang, Kabupaten Kepulauan Seribu. Penelitian ini hanya mengamati para penyelam kompresor sebagai subjek penelitian dengan mengunakan metode identifikasi bahaya yaitu Job Hazard Analysis. Bahaya keselamatan dan kesehatan kerja pada tahapan aktivitas penangkapan ikan terdiri atas tahapan persiapan, tahapan penyelaman, dan tahapan penanganan hasil penangkapan. Bahaya yang …

Hubungan Pergantian Waktu Kerja Dengan Pola Tidur Pekerja, Yuli Amran, Putri Handayani

Kesmas

Gangguan tidur dapat dialami oleh setiap orang tanpa mengenal status sosial dan pendidikan. Diperkirakan setiap tahun terdapat 20% – 40% orang dewasa mengalami gangguan tidur dan 17% diantaranya mengalami masalah serius. Penelitian ini bertujuan untuk mengetahui hubungan antara penerapan pergantian waktu kerja (shift) serta beberapa faktor lain terhadap pola tidur pekerja di bagian produksi sebuah PT Enka Parahiyangan tahun 2008. Hasil penelitian menunjukkan bahwa kejadian pola tidur kurang baik pada kelompok pekerja shift (67,1%) lebih tinggi daripada non-shift (32,9%). Selain itu, didapatkan odds ratio pola tidur pada pekerja shift 7,1 kali jauh lebih tinggi dibandingkan dengan non-shift. Faktor konsumsi kafein …

Association Of Hexachlorobenzene (Hcb), Dichlorodiphenyltrichloroethane (Ddt), And Dichlorodiphenyldichloroethylene (Dde) With In Vitro Fertilization (Ivf) Outcomes., Shruthi Mahalingaiah, Stacey A. Missmer, Arnab Maity, Paige L. Williams, John D. Meeker, Katharine Berry, Shelley Ehrlich,, Melissa J. Perry, Daniel W. Cramer, Russ Hauser

Environmental and Occupational Health Faculty Publications

Background: Hexachlorobenzene (HCB), dichlorodiphenyltrichloroethane (DDT), and dichlorodiphenyldichloroethylene (DDE) are persistent chlorinated pesticides with endocrine activity that may adversely affect the early stages of human reproduction.

Objective: Our goal was to determine the association of serum levels of HCB, DDT, and DDE with implantation failure, chemical pregnancy, and spontaneous abortion in women undergoing in vitro fertilization (IVF) from 1994 to 2003.

Methods: Levels of HCB and congeners of DDT and DDE were measured in serum collected during the follicular phase. Multivariable-adjusted statistical models accommodating multiple outcomes and multiple cycles per woman were used to estimate the relation between serum pesticide levels …

Association Between Interpersonal Trust, Reciprocity, And Depression In South Korea: A Prospective Analysis, Seung-Sup Kim, Yeonseung Chung, Melissa J. Perry, Ichiro Kawachi, V. S. Subramanian

Environmental and Occupational Health Faculty Publications

Background

A growing body of empirical evidence indicates that low-level social capital is related to poor mental health outcomes. However, the prospective association between social capital and depression remains unclear, and no published studies have investigated the association with longitudinal data in East-Asian countries.

Methods

We analyzed data from the ongoing Korean Welfare Panel Study to prospectively investigate association between social capital and depression. Social capital was measured at the individual level by two items specific to interpersonal trust and reciprocity. Depression was annually assessed as a dichotomous variable using the Center for Epidemiologic Studies Depression Scale. After excluding participants …

Perceived Discrimination And Self-Rated Health In South Korea: A Nationally Representative Survey, Seung-Sup Kim, David R. Williams

Environmental and Occupational Health Faculty Publications

Background

There is mounting evidence that discriminatory experiences can harm health. However, previous research has mainly focused on the health effects of racial discrimination in U.S. or European countries although there is pervasive discrimination by gender, age, education and other factors in Asian countries.

Methods

We analyzed the data from the 7th wave of Korean Labor and Income Panel Study to investigate the association between perceived discriminatory experience and poor self-rated health in South Korea. Perceived discriminatory experiences were measured in eight situations through a modified Experience of Discrimination questionnaire. In each of eight situations, the lifetime prevalence of perceived …

Occupational Health And Safety Management Systems Assessment Training, William Brazile, Daniel Autenrieth, Del Sandfort

Safety Health & Industrial Hygiene

An occupational health and safety management system (OHSMS) is required for all Federal agencies by Executive Order 12196 – Occupational safety and health programs for Federal employees. Development of the Occupational Health and Safety Management Systems Assessment Training Manual was supported jointly by the U.S. Veterans Health Administration (VHA) and the Occupational Safety and Health Administration (OSHA). The manual was designed to be used in the training of government personnel on how to assess the OHSMS of Federal establishments and agencies. The manual is organized sequentially through each step in the process of conducting an OHSMS assessment. Trainees start …

Effects Of Standard Labor-Wear On Swimming And Treading Water, John Amtmann, Edd, Les Harris, William K. Spath, Charles Todd, Phd

Applied Health Sciences

We tested the hypothesis that occupational clothing would impair performance during swimming. The sub questions included: (1) Will the standard work wear of a railway worker or laborer impede swimming ability? (2) Will this clothing impact the individual’s ability to tread water? We addressed the research questions with three hypotheses. Analysis showed statistically significant p-values and all three null hypotheses were rejected in favor of the three research hypotheses, showing strong evidence that standard labor wear had adverse effects on 11.43 meter/12.5 yard swim time, water treading time and rate of perceived exertion (RPE) during water treading. The mean swim …

Measuring Discrimination In South Korea: Underestimating The Prevalence Of Discriminatory Experiences Among Female And Less Educated Workers?., Seung-Sup Kim, Yeonseung Chung, David R. Williams

Environmental and Occupational Health Faculty Publications

Objectives

To investigate the possibility that Koreans show different patterns in reporting discriminatory experiences based on their gender and education level, we analyzed the participants who answered “Not Applicable” for the questions of discriminatory experiences that they were eligible to answer.

Methods

Discriminatory experiences in eight social situations were assessed using the 7th wave of Korean Labor and Income Panel Study. After restricting the study population to waged workers, a logistic regression model was constructed to predict the probability that an individual has experienced discrimination based on the observed covariates for each of eight situations, using the data of participants …

Can Ergonomics Be Utilized In The Power Sports Repair Profession At Rocky Mountain Motorsports?, Todd Klimkowsky

Online Theses and Dissertations

Throughout the workday many of us feel uncomfortable whether our muscles hurt, or there is a chonric pain from our jobs, and at that point we can ask for ergonomic help. Are there companies in the workplace that do not have the aid of ergonomics? Within the study below, an attempt is made to answer the question, "Can ergonomics be utilized within the power sports repair profession at Rocky Mountain Motorsports?" As a whole, the mechanical repair industry appears to be lacking in ergonomic support. Many of the injuries to the employees could be prevented with the use or intervention …

A Review Of Air Medical Safety: 2005-2011, Andrew Holcomb

Online Theses and Dissertations

This study was designed to research current air medical risks and identify the extent of the risk from 2005 - 2011 by looking at NTSB data. Sixty-eight rotorcraft air medical incidents were discovered based on preset criteria, such as resulting injury or significant damage to aircraft, for severe air medical incidents. Six major concerns in air medical safety were researched in this study: day and nighttime incidents, takeoff/landing and in-flight incidents, Part 91 and Part 135 regulations, pilot hours, post-crash fire, and changing visual conditions. From information given in the NTSB reports based on incident investigation, this information was collected …

Workers Die From Carbon Monoxide Poisoning, Kentucky Injury Prevention And Research Center

Kentucky Haz Alerts--Other

To prevent carbon monoxide poisoning,employers should:

• Train supervisors and employees to recognize symptoms of carbon monoxide poisoning
• Provide first aid training, including what to do if exposed to carbon monoxide
• Review carbon monoxide prevention tips with their employees

Employees should:

• Report unusual behavior
• Know how to treat co-workers for carbon monoxide poisoning
• Carry a carbon monoxide detector to mobile sites Recognize signs of carbon monoxide poisoning

Variabilité Biologique Et Guide De Stratégies Pour La Surveillance Biologique De L'Exposition Professionnelle, Ginette Truchon, Robert Tardif, Jérôme Lavoué, Daniel Drolet, Martine Lévesque, Julie Boucher

Rapports de recherche scientifique

No abstract provided.