A5065246544- Occupational exposure and asthma
- Occupational Health and Safety Research
- Occupational and environmental lung diseases
- Indoor Air Quality and Microbial Exposure
- Chemical Safety and Risk Management
- Chronic Obstructive Pulmonary Disease (COPD) Research
- Grief, Bereavement, and Mental Health
- Family and Patient Care in Intensive Care Units
- Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
- Advanced Chemical Sensor Technologies
- Fungal Infections and Studies
- Palliative Care and End-of-Life Issues
- Contact Dermatitis and Allergies
- Air Quality and Health Impacts
- Water Quality Monitoring and Analysis
- Intensive Care Unit Cognitive Disorders
- Infection Control and Ventilation
- Balance, Gait, and Falls Prevention
- Food Safety and Hygiene
- Rangeland and Wildlife Management
- Risk and Safety Analysis
- Fire dynamics and safety research
- Bacteriophages and microbial interactions
- Healthcare and Environmental Waste Management
- Yeasts and Rust Fungi Studies
National Institute for Occupational Safety and Health
2013-2024
GeoSphere Austria
2023
Prince Charles Hospital
2022
Centers for Disease Control and Prevention
2021
Queensland Health
2021
The Centers
2020
California Department of Public Health
2020
Royal North Shore Hospital
2019
American National Standards Institute
2017
The Alberta Paraplegic Foundation
2017
Bacterial cells can be differentially separated from soil colloids on the basis of their buoyant densities. By using this principle, a modified sucrose gradient centrifugation protocol has been developed for separating bacterial most colloids. Since cell suspension still contained some colloidal particles, which inhibited polymerase chain reaction amplification, new "double" method analysis was adopted amplification Tn5-specific gene sequences. This allowed rapid detection small numbers (1...
Rationale Obliterative bronchiolitis in former coffee workers prompted a cross‐sectional study of current workers. Diacetyl and 2,3‐pentanedione levels were highest areas for flavoring grinding/packaging unflavored coffee. Methods We interviewed 75 (88%) workers, measured lung function, created exposure groups based on work history. calculated standardized morbidity ratios (SMRs) symptoms spirometric abnormalities. examined health outcomes by groups. Results SMRs elevated 1.6‐fold dyspnea...
Obliterative bronchiolitis in five former coffee processing employees at a single workplace prompted an exposure study of current workers. Exposure characterization was performed by observing processes, assessing the ventilation system and pressure relationships, analyzing headspace flavoring samples, collecting personal breathing zone area air samples for diacetyl 2,3-pentanedione vapors total inhalable dust work job title. Mean airborne concentrations were calculated using minimum variance...
To describe the investigation of a 2007 occupational coccidioidomycosis outbreak in California, recommend prevention measures, and assess statewide disease burden.We evaluated worksite, observed work practices, interviewed workers employer, reviewed medical records, provided recommendations including risk-based respirator selection, analyzed workers' compensation claims.Ten 12 developed acute pulmonary coccidioidomycosis; none used respiratory protection. We recommended engineering,...
Blastomycosis is an environmentally acquired fungal infection that can result in severe pulmonary illness and high hospitalization rates. In 2023, a blastomycosis outbreak was detected among workers at paper mill Delta County, Michigan.
Abstract Anaerobically digested sewage sludge is currently applied to farmland surrounding Tucson, Arizona supply nutrients for the growth of cotton. Bacterial pathogens introduced into environment by this practice may survive or move through soil profile thus posing health risks animals and humans. We have conducted both laboratory field studies monitor survival transport bacterial added via sludge. In studies, was incubated at constant moisture temperature conditions. Populations fecal...
Roasted coffee and many flavorings emit volatile organic compounds (VOCs) including diacetyl 2,3-pentanedione. Exposures to VOCs during roasting, packaging, grinding, flavoring can negatively impact the respiratory health of workers. Inhalational exposures 2,3-pentanedione cause obliterative bronchiolitis. This study summarizes emissions in 17 roasting packaging facilities that included 10 cafés. We collected 415 personal 760 area full-shift, 606 task-based air samples for diacetyl,...
We evaluated a workplace preventive program's effectiveness, which emphasized skin and respiratory protection, cleanliness, beryllium migration control in lowering sensitization.We compared sensitization prevalence incidence rates for workers hired before after the program using available cross sectional longitudinal surveillance data.Sensitization was 8.9% Pre-Program Group 2.1% Program Group. The rate 3.7/1000 person-months 1.7/1000 After making adjustments potential selection information...
Respiratory hazards in the coffee roasting and packaging industry can include asthmagens such as green bean other dust alpha-diketones diacetyl 2,3-pentanedione that occur naturally from or artificially addition of flavoring to coffee. We sought describe burden respiratory abnormalities among workers at 17 facilities.
Objectives. In 2000, 7% of workers at a copper-beryllium facility were beryllium sensitized. Risk was associated with work near wire annealing/pickling process. The then implemented preventive program including particle migration control, respiratory and dermal protection, process enclosure. We assessed the program's efficacy in preventing sensitization. Methods. began testing new hires (program workers) lymphocyte proliferation tests (BeLPTs) hire intervals during employment. compared...
To examine risk for mycosis among persons with silicosis, we examined US mortality data 1979-2004. Persons silicosis were more likely to die pulmonary than those without pneumoconiosis or common pneumoconioses. Health professionals should consider enhanced silica-exposed patients.
Occupational exposure to diacetyl, a butter flavor chemical, can result in obliterative bronchiolitis. Obliterative bronchiolitis is characterized by exertional dyspnea, fixed airflow obstruction, and histopathologic constrictive bronchiolitis, with bronchiolar wall fibrosis leading luminal narrowing obliteration. We describe case of advanced lung disease histopathology distinct from 37-year-old male coffee worker following prolonged high levels diacetyl the related compound...
In a study of Kent schoolchildren it has been shown that those who had history bronchitis under the age five were more likely to have reported respiratory symptoms as 11 (Bland et al., 1974). After this finding, was necessary test whether these differences would continue or diminish children grew older. One thousand three hundred in four areas studied by physical examination and parental questionnaire at ages 5, 11, 14. The relative risk having for with early bronchitis, asthma, pneumonia,...
Coffee production workers are exposed to complex mixtures of gases, dust, and vapors, including the known respiratory toxins, diacetyl, 2,3-pentanedione, which occur naturally during coffee roasting also present in flavorings used flavor coffee. This study evaluated associations these two α-diketones with lung function measures workers. Workers completed questionnaires, their was assessed by spirometry impulse oscillometry (IOS). Personal exposures sum (Sum DA+PD ) were assigned...
At least four workers at a metal recycling facility were hospitalized and one died after exposure to chlorine gas when it was accidentally released from an intact, closed‐valved cylinder being processed for scrap metal. This unintentional release marks the third such incident in United States since 2010. We describe fatal case of worker whose clinical course consistent with acute respiratory distress syndrome (ARDS) following high concentrations gas. report emphasizes potential risk by...
The aim of this study was to compare spirometry results in microwave popcorn and flavoring manufacturing workers.We used NIOSH data on current former workers (MPWs) surveillance (FMWs).Former MPW had higher prevalence mixed high severity abnormalities, some excessive lung function drops. Current lowest occurrence FMW with drops spirometric abnormalities at last test developed a restrictive pattern. Spirometric were associated work-related factors.There evidence healthy worker survivor effect...
Abstract Cured-in-place pipe (CIPP) is a trenchless repair technology that typically uses styrene-resin impregnated liners cured with steam, hot water, or ultraviolet light to restore underground pipes without excavation. Use of the can expose workers and public styrene. Exposure styrene may cause asthma, cancer, contribute hearing loss when combined noise. Occupational exposure during installation CIPP an emerging issue be addressed effective engineering controls employee education...